diff --git a/.aegir.js b/.aegir.js
index 6effabad0..793c4eb13 100644
--- a/.aegir.js
+++ b/.aegir.js
@@ -1,11 +1,19 @@
 'use strict'
 
 const createServer = require('ipfsd-ctl').createServer
-
-const server = createServer()
+const EchoServer = require('interface-ipfs-core/src/utils/echo-http-server')
+const server = createServer({
+  host: '127.0.0.1',
+  port: 43134
+}, {
+  type: 'go',
+  ipfsHttpModule: require('./'),
+  ipfsBin: require('go-ipfs-dep').path()
+})
+const echoServer = EchoServer.createServer()
 
 module.exports = {
-  bundlesize: { maxSize: '231kB' },
+  bundlesize: { maxSize: '90kB' },
   webpack: {
     resolve: {
       mainFields: ['browser', 'main']
@@ -22,7 +30,23 @@ module.exports = {
     singleRun: true
   },
   hooks: {
-    pre: server.start.bind(server),
-    post: server.stop.bind(server)
+    node: {
+      pre: () => echoServer.start(),
+      post: () => echoServer.stop()
+    },
+    browser: {
+      pre: () => {
+        return Promise.all([
+          server.start(),
+          echoServer.start()
+        ])
+      },
+      post: () => {
+        return Promise.all([
+          server.stop(),
+          echoServer.stop()
+        ])
+      }
+    }
   }
 }
diff --git a/.eslintignore b/.eslintignore
deleted file mode 100644
index 499b34048..000000000
--- a/.eslintignore
+++ /dev/null
@@ -1 +0,0 @@
-test/test-folder/ipfs-add.js
\ No newline at end of file
diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index e20403d47..000000000
--- a/.npmignore
+++ /dev/null
@@ -1,5 +0,0 @@
-node_modules
-*.log
-coverage
-.nyc_output
-test
diff --git a/.travis.yml b/.travis.yml
index 912ef7ac7..0509e5a96 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,44 +1,71 @@
 language: node_js
 cache: npm
+
+branches:
+  only:
+  - master
+  - /^release\/.*$/
+
 stages:
   - check
   - test
   - cov
 
 node_js:
+  - '12'
   - '10'
 
 os:
   - linux
   - osx
+  - windows
 
 script: npx nyc -s npm run test:node -- --bail
 after_success: npx nyc report --reporter=text-lcov > coverage.lcov && npx codecov
 
 jobs:
   include:
-    - os: windows
-      filter_secrets: false
-      cache: false
-
     - stage: check
       script:
         - npx aegir build --bundlesize
-        - npx aegir commitlint --travis
-        - npx aegir dep-check
+        - npx aegir dependency-check
         - npm run lint
 
     - stage: test
       name: chrome
       addons:
         chrome: stable
-      script: npx aegir test -t browser -t webworker
+      script: npx aegir test -t browser
+
+    - stage: test
+      name: chrome webworker
+      addons:
+        chrome: stable
+      script: npx aegir test -t webworker
 
     - stage: test
       name: firefox
       addons:
         firefox: latest
-      script: npx aegir test -t browser -t webworker -- --browsers FirefoxHeadless
+      script: npx aegir test -t browser -- --browsers FirefoxHeadless
+
+    - stage: test
+      name: firefox webworker
+      addons:
+        firefox: latest
+      script: npx aegir test -t webworker -- --browsers FirefoxHeadless
+
+    - stage: test
+      name: electron-main
+      os: osx
+      script:
+        - npx aegir test -t electron-main --bail
+
+    - stage: test
+      name: electron-renderer
+      os: osx
+      script:
+        - npx aegir test -t electron-renderer --bail
 
 notifications:
   email: false
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04ae6cefa..a40976f0b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,575 @@
+<a name="42.0.0"></a>
+# [42.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v42.0.0-pre.2...v42.0.0) (2020-02-04)
+
+There are significant and breaking API changes in this release. Please see the [migration guide](https://gist.github.com/alanshaw/04b2ddc35a6fff25c040c011ac6acf26).
+
+### Bug Fixes
+
+* interface tests ([#1233](https://github.com/ipfs/js-ipfs-http-client/issues/1233)) ([d3eee0d](https://github.com/ipfs/js-ipfs-http-client/commit/d3eee0d))
+
+### Features
+
+* `add` results now include `mode` and `mtime` properties if they were set.
+
+* `files.chmod` has been added. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#fileschmod) for info.
+
+*  `files.flush` now returns the root CID for the path that was flushed (`/` by default)
+
+* `files.ls` results now include `mode` and `mtime` properties if they were set. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#ls) for more info.
+
+* `files.mkdir` now accepts `mode` and `mtime` options to allow setting mode and mtime metadata. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#filesmkdir) for more info.
+
+* `files.stat` result now includes `mode` and `mtime` properties if they were set. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#filesstat) for more info.
+
+* `files.touch` has been added. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#filestouch) for info.
+
+* `files.write` now accepts `mode` and `mtime` options to allow setting mode and mtime metadata. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#fileswrite) for more info.
+
+* `object.get` now accepts a `timeout` option. It will cause the method to throw with a `TimeoutError` if no data is received within the timeout window. It can be passed as a `number` or a `string`. If a `number` is passed it is interpreted as milliseconds, if a string is passed it is interpreted as a [human readable duration](https://www.npmjs.com/package/parse-duration).
+
+* `pin.add` now accepts a `timeout` option. It will cause the method to throw with a `TimeoutError` if no data is received within the timeout window. It can be passed as a `number` or a `string`. If a `number` is passed it is interpreted as milliseconds, if a string is passed it is interpreted as a [human readable duration](https://www.npmjs.com/package/parse-duration).
+
+* `refs` now accepts a `timeout` option. It will cause the method to throw with a `TimeoutError` if no data is received within the timeout window. It can be passed as a `number` or a `string`. If a `number` is passed it is interpreted as milliseconds, if a string is passed it is interpreted as a [human readable duration](https://www.npmjs.com/package/parse-duration).
+
+### BREAKING CHANGES
+
+* Callbacks are no longer supported on any API methods. Please use a utility such as [`callbackify`](https://www.npmjs.com/package/callbackify) on API methods that return Promises to emulate previous behaviour. See the [migration guide](https://gist.github.com/alanshaw/04b2ddc35a6fff25c040c011ac6acf26#migrating-from-callbacks) for more info.
+
+* `add` now returns an async iterable.
+
+* `add` now accepts `mode` and `mtime` options on inputs to allow setting mode and mtime metadata for added files. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#add) for more info.
+
+* `add` results now contain a `cid` property (a [CID instance](https://github.com/multiformats/js-cid)) instead of a string `hash` property.
+
+* `addReadableStream`, `addPullStream` have been removed. Please see the [migration guide](https://gist.github.com/alanshaw/04b2ddc35a6fff25c040c011ac6acf26#migrating-to-async-iterables) for more info.
+
+* `addFromStream` has been removed. Use `add` instead.
+
+* `addFromFs` has been removed. Please use the exported `globSource` utility and pass the result to `add`. See the [glob source documentation](https://github.com/ipfs/js-ipfs-http-client#glob-source) for more details and an example.
+
+* `addFromURL` has been removed. Please use the exported `urlSource` utility and pass the result to `add`. See the [URL source documentation](https://github.com/ipfs/js-ipfs-http-client#url-source) for more details and an example.
+
+* `bitswap.stat` result has changed - `wantlist` and values are now an array of [CID](https://github.com/multiformats/js-cid) instances and `peers` is now a `string[]` of peer IDs.
+
+* `bitswap.wantlist` now returns an array of [CID](https://github.com/multiformats/js-cid) instances.
+
+* `block.rm` now returns an async iterable.
+
+* `block.rm` now yields objects of `{ cid: CID, error: Error }`.
+
+* `block.stat` result now contains a `cid` property (whose value is a [CID instance](https://github.com/multiformats/js-cid)) instead of a `key` property.
+
+* `dht.findProvs`, `dht.provide`, `dht.put` and `dht.query` now all return an async iterable.
+
+* `dht.findPeer`, `dht.findProvs`, `dht.provide`, `dht.put` and `dht.query` now yield/return an object `{ id: string, addrs: Multiaddr[] }` instead of a `PeerInfo` instance(s).
+
+* `files.lsPullStream` and `files.lsReadableStream` have been removed. Please see the [migration guide](https://gist.github.com/alanshaw/04b2ddc35a6fff25c040c011ac6acf26#migrating-to-async-iterables) for more info.
+
+* `files.ls` now returns an async iterable.
+
+* `files.ls` results now contain a `cid` property (whose value is a [CID instance](https://github.com/multiformats/js-cid)) instead of a `hash` property.
+
+* `files.ls` no longer takes a `long` option (in core) - you will receive all data by default.
+
+* `files.readPullStream` and `files.readReadableStream` have been removed. Please see the [migration guide](https://gist.github.com/alanshaw/04b2ddc35a6fff25c040c011ac6acf26#migrating-to-async-iterables) for more info.
+
+* `files.read` now returns an async iterable.
+
+* `files.stat` result now contains a `cid` property (whose value is a [CID instance](https://github.com/multiformats/js-cid)) instead of a `hash` property.
+
+* `get` now returns an async iterable. The `content` property value for objects yielded from the iterator is now an async iterable that yields [`BufferList`](https://github.com/rvagg/bl) objects.
+
+* `id` result has changed, the `addresses` property is now a `Multiaddr[]`
+
+* `name.resolve` now returns an async iterable. It yields increasingly more accurate resolved values as they are discovered until the best value is selected from the quorum of 16. The "best" resolved value is the last item yielded from the iterator. If you are interested only in this best value you could use `it-last` to extract it like so:
+
+    ```js
+    const last = require('it-last')
+    await last(ipfs.name.resolve('/ipns/QmHash'))
+    ```
+
+* `ls` now returns an async iterable.
+
+* `ls` results now contain a `cid` property (whose value is a [CID instance](https://github.com/multiformats/js-cid)) instead of a `hash` property.
+
+* `ls` results now include `mode` and `mtime` properties if they were set. See the [core interface docs](https://github.com/ipfs/interface-js-ipfs-core/blob/master/SPEC/FILES.md#ls) for more info.
+
+* `pin.add` results now contain a `cid` property (a [CID instance](https://github.com/multiformats/js-cid)) instead of a string `hash` property.
+
+* `pin.ls` now returns an async iterable.
+
+* `pin.ls` results now contain a `cid` property (a [CID instance](https://github.com/multiformats/js-cid)) instead of a string `hash` property.
+
+* `pin.rm` results now contain a `cid` property (a [CID instance](https://github.com/multiformats/js-cid)) instead of a string `hash` property.
+
+* `ping` now returns an async iterable.
+
+* `refs` and `refs.local` now return an async iterable.
+
+* `repo.gc` now returns an async iterable.
+
+* `stats.bw` now returns an async iterable.
+
+* `swarm.peers` now returns an array of objects with a `peer` property that is a `string`, instead of a `PeerId` instance.
+
+* `swarm.addrs` now returns an array of objects `{ id: string, addrs: Multiaddr[] }` instead of `PeerInfo` instances.
+
+* The protocol _name_ for peer IDs in multiaddrs has changed from 'ipfs' to 'p2p'. There's no changes to data on the wire but this change is seen when multiaddrs are converted to strings.
+
+
+
+<a name="42.0.0-pre.0"></a>
+# [42.0.0-pre.0](https://github.com/ipfs/js-ipfs-http-client/compare/v41.0.1...v42.0.0-pre.0) (2020-01-23)
+
+
+
+<a name="41.0.1"></a>
+## [41.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v41.0.0...v41.0.1) (2020-01-23)
+
+
+
+<a name="41.0.0"></a>
+# [41.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v40.2.1...v41.0.0) (2020-01-12)
+
+
+### Bug Fixes
+
+* return CIDs from files.flush ([#1216](https://github.com/ipfs/js-ipfs-http-client/issues/1216)) ([13f8d7a](https://github.com/ipfs/js-ipfs-http-client/commit/13f8d7a))
+
+
+### Code Refactoring
+
+* removes format option ([#1218](https://github.com/ipfs/js-ipfs-http-client/issues/1218)) ([4ef26cd](https://github.com/ipfs/js-ipfs-http-client/commit/4ef26cd))
+
+
+### BREAKING CHANGES
+
+* `format` option is no longer supported as everything is `dag-pb` all
+of the time.
+
+Follows on from https://github.com/ipfs/js-ipfs-mfs/pull/69
+
+
+
+<a name="40.2.1"></a>
+## [40.2.1](https://github.com/ipfs/js-ipfs-http-client/compare/v40.2.0...v40.2.1) (2020-01-09)
+
+
+
+<a name="40.2.0"></a>
+# [40.2.0](https://github.com/ipfs/js-ipfs-http-client/compare/v40.1.0...v40.2.0) (2020-01-09)
+
+
+### Features
+
+* support UnixFSv1.5 metadata ([#1186](https://github.com/ipfs/js-ipfs-http-client/issues/1186)) ([da9d17a](https://github.com/ipfs/js-ipfs-http-client/commit/da9d17a))
+
+
+
+<a name="40.1.0"></a>
+# [40.1.0](https://github.com/ipfs/js-ipfs-http-client/compare/v40.0.1...v40.1.0) (2019-12-10)
+
+
+### Features
+
+* expose import concurrency controls ([#1187](https://github.com/ipfs/js-ipfs-http-client/issues/1187)) ([47093d5](https://github.com/ipfs/js-ipfs-http-client/commit/47093d5))
+
+
+
+<a name="40.0.1"></a>
+## [40.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v40.0.0...v40.0.1) (2019-11-27)
+
+
+### Bug Fixes
+
+* pin ls with multiple CIDs ([#1184](https://github.com/ipfs/js-ipfs-http-client/issues/1184)) ([2f3763f](https://github.com/ipfs/js-ipfs-http-client/commit/2f3763f))
+
+
+
+<a name="40.0.0"></a>
+# [40.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v39.0.2...v40.0.0) (2019-11-22)
+
+
+### Code Refactoring
+
+* async await roundup ([#1173](https://github.com/ipfs/js-ipfs-http-client/issues/1173)) ([3e5967a](https://github.com/ipfs/js-ipfs-http-client/commit/3e5967a)), closes [#1103](https://github.com/ipfs/js-ipfs-http-client/issues/1103)
+* convert config API to async await ([#1155](https://github.com/ipfs/js-ipfs-http-client/issues/1155)) ([621973c](https://github.com/ipfs/js-ipfs-http-client/commit/621973c))
+* move files to root level ([#1150](https://github.com/ipfs/js-ipfs-http-client/issues/1150)) ([559a97d](https://github.com/ipfs/js-ipfs-http-client/commit/559a97d))
+
+
+### Features
+
+* support name.resolve of peerid as cid ([#1145](https://github.com/ipfs/js-ipfs-http-client/issues/1145)) ([2d9afc8](https://github.com/ipfs/js-ipfs-http-client/commit/2d9afc8))
+
+
+### Reverts
+
+* chore: update multiaddr to version 7.2.0 ([#1136](https://github.com/ipfs/js-ipfs-http-client/issues/1136)) ([#1143](https://github.com/ipfs/js-ipfs-http-client/issues/1143)) ([4131d09](https://github.com/ipfs/js-ipfs-http-client/commit/4131d09))
+
+
+### BREAKING CHANGES
+
+* The `log.tail` method now returns an async iterator that yields log messages. Use it like:
+    ```js
+    for await (const message of ipfs.log.tail()) {
+      console.log(message)
+    }
+    ```
+* The response to a call to `log.level` now returns an object that has camel cased keys. i.e. `Message` and `Error` properties have changed to `message` and `error`.
+* Dropped support for go-ipfs <= 0.4.4 in `swarm.peers` response.
+* The signature for `ipfs.mount` has changed from `ipfs.mount([ipfsPath], [ipnsPath])` to `ipfs.mount([options])`. Where `options` is an optional object that may contain two boolean properties `ipfsPath` and `ipnsPath`. The response object has also changed to be camel case. See https://docs.ipfs.io/reference/api/http/#api-v0-mount.
+* Default ping `count` of 1 in client has been removed. The default ping count is now whatever the IPFS node defaults it to (currently 10). If you specifically need 1 ping message then please pass `count: 1` in options for `ipfs.ping()`.
+* Multi parameter constructor options are no longer supported. To create a new IPFS HTTP client, pass a single parameter to the constructor. The parameter can be one of:
+    * String, formatted as one of:
+        * Multiaddr e.g. /ip4/127.0.0.1/tcp/5001
+        * URL e.g. http://127.0.0.1:5001
+    * [Multiaddr](https://www.npmjs.com/package/multiaddr) instance
+    * Object, in format of either:
+        * Address and path e.g. `{ apiAddr: '/ip4/127.0.0.1/tcp/5001': apiPath: '/api/v0' }` (Note: `apiAddr` can also be a string in URL form or a Multiaddr instance)
+        * Node.js style address e.g. `{ host: '127.0.0.1', port: 5001, protocol: 'http' }`
+* Errors returned from request failures are now all [`HTTPError`](https://github.com/sindresorhus/ky/blob/c0d9d2bb07e4c122a08f019b39e9c55a4c9324f3/index.js#L117-L123)s which carry a `response` property. This is a [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response) that can be used to inspect _all_ information relating to the HTTP response. This means that the `err.status` or `err.statusCode` property should now be accessed via `err.response.status`.
+* files in `src/files-regular` have moved to `src`. The `src/files-mfs` directory has been renamed to `src/files`. If you were previously requiring files from these directories e.g. `require('ipfs-http-client/src/files-regular/add')` then please be aware that they have moved.
+* Kebab case options are no longer supported. Please use camel case option names as defined in the [`interface-ipfs-core`](https://github.com/ipfs/interface-js-ipfs-core/tree/master/SPEC) docs. e.g. the `allow-offline` option to `name.publish` should be passed as `allowOffline`.
+  * Note that you can pass [additional query string parameters](https://github.com/ipfs/js-ipfs-http-client#additional-options) in the `searchParams` option available to all API methods.
+
+
+
+<a name="39.0.2"></a>
+## [39.0.2](https://github.com/ipfs/js-ipfs-http-client/compare/v39.0.1...v39.0.2) (2019-10-23)
+
+
+### Bug Fixes
+
+* use non-strict equivalence for options.preload ([#1134](https://github.com/ipfs/js-ipfs-http-client/issues/1134)) ([432e1e8](https://github.com/ipfs/js-ipfs-http-client/commit/432e1e8))
+
+
+
+<a name="39.0.1"></a>
+## [39.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v39.0.0...v39.0.1) (2019-10-21)
+
+
+### Bug Fixes
+
+* expose preload argument ([#1129](https://github.com/ipfs/js-ipfs-http-client/issues/1129)) ([c82b031](https://github.com/ipfs/js-ipfs-http-client/commit/c82b031))
+* increase default timeout and respect value passed to `ky.extend` ([#1130](https://github.com/ipfs/js-ipfs-http-client/issues/1130)) ([25b6043](https://github.com/ipfs/js-ipfs-http-client/commit/25b6043))
+
+
+
+<a name="39.0.0"></a>
+# [39.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v38.2.0...v39.0.0) (2019-10-15)
+
+
+
+<a name="38.2.0"></a>
+# [38.2.0](https://github.com/ipfs/js-ipfs-http-client/compare/v38.1.0...v38.2.0) (2019-10-06)
+
+
+### Features
+
+* adds ipfs.block.rm method ([#1123](https://github.com/ipfs/js-ipfs-http-client/issues/1123)) ([2f0eff7](https://github.com/ipfs/js-ipfs-http-client/commit/2f0eff7))
+
+
+
+<a name="38.1.0"></a>
+# [38.1.0](https://github.com/ipfs/js-ipfs-http-client/compare/v38.0.1...v38.1.0) (2019-10-04)
+
+
+### Bug Fixes
+
+* get correct remote node config ([5b53e22](https://github.com/ipfs/js-ipfs-http-client/commit/5b53e22))
+* pull in preconfigured chai from interface tests ([93765c1](https://github.com/ipfs/js-ipfs-http-client/commit/93765c1))
+
+
+### Features
+
+* add methods for listing config profiles ([1c3d92a](https://github.com/ipfs/js-ipfs-http-client/commit/1c3d92a))
+
+
+### BREAKING CHANGES
+
+* Configuration profiles API has changed:
+    ```javascript
+    Promise<{oldCfg, newCfg}> ipfs.config.profile(name, opts)
+
+    // is now
+    Promise<{old, new}> ipfs.config.profiles.apply(name, opts)
+    ```
+
+* Possibly contentious; Adds `callbackify` as a dependency, see https://github.com/ipfs/js-ipfs/issues/2506
+for discussion.
+
+
+
+<a name="38.0.1"></a>
+## [38.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v38.0.0...v38.0.1) (2019-10-04)
+
+
+### Bug Fixes
+
+* pull in preconfigured chai from interface tests ([6a7eb8a](https://github.com/ipfs/js-ipfs-http-client/commit/6a7eb8a))
+
+
+
+<a name="38.0.0"></a>
+# [38.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v37.0.3...v38.0.0) (2019-09-25)
+
+
+
+<a name="37.0.3"></a>
+## [37.0.3](https://github.com/ipfs/js-ipfs-http-client/compare/v37.0.2...v37.0.3) (2019-09-25)
+
+
+
+<a name="37.0.2"></a>
+## [37.0.2](https://github.com/ipfs/js-ipfs-http-client/compare/v37.0.1...v37.0.2) (2019-09-20)
+
+
+### Bug Fixes
+
+* only do the big file workaround in node and electron main ([077c997](https://github.com/ipfs/js-ipfs-http-client/commit/077c997))
+
+
+
+<a name="37.0.1"></a>
+## [37.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v37.0.0...v37.0.1) (2019-09-17)
+
+
+
+<a name="37.0.0"></a>
+# [37.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v36.1.0...v37.0.0) (2019-09-17)
+
+
+### Bug Fixes
+
+* big downloads in electron ([9c9aac8](https://github.com/ipfs/js-ipfs-http-client/commit/9c9aac8))
+
+
+
+<a name="36.1.0"></a>
+# [36.1.0](https://github.com/ipfs/js-ipfs-http-client/compare/v36.0.0...v36.1.0) (2019-09-17)
+
+
+### Bug Fixes
+
+* fix electron renderer tests and a couple more bugs ([#1105](https://github.com/ipfs/js-ipfs-http-client/issues/1105)) ([a631a21](https://github.com/ipfs/js-ipfs-http-client/commit/a631a21))
+
+
+
+<a name="36.0.0"></a>
+# [36.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v35.1.0...v36.0.0) (2019-09-11)
+
+
+
+<a name="35.1.0"></a>
+# [35.1.0](https://github.com/ipfs/js-ipfs-http-client/compare/v35.0.0...v35.1.0) (2019-09-04)
+
+
+### Features
+
+* add config profile endpoint ([#1030](https://github.com/ipfs/js-ipfs-http-client/issues/1030)) ([3aaa3ee](https://github.com/ipfs/js-ipfs-http-client/commit/3aaa3ee))
+
+
+
+<a name="35.0.0"></a>
+# [35.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v34.0.0...v35.0.0) (2019-09-04)
+
+### BREAKING CHANGES
+
+Kebab case options (e.g. `wrap-with-directory`) are no longer supported in `ipfs.add`. Use camel case instead (e.g. `wrapWithDirectory`).
+
+<a name="34.0.0"></a>
+# [34.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v33.1.1...v34.0.0) (2019-08-29)
+
+
+### Bug Fixes
+
+* **package:** update err-code to version 2.0.0 ([#1053](https://github.com/ipfs/js-ipfs-http-client/issues/1053)) ([3515070](https://github.com/ipfs/js-ipfs-http-client/commit/3515070))
+
+
+### Features
+
+* browser pubsub ([#1059](https://github.com/ipfs/js-ipfs-http-client/issues/1059)) ([3764d06](https://github.com/ipfs/js-ipfs-http-client/commit/3764d06))
+* expose pin and preload arguments ([#1079](https://github.com/ipfs/js-ipfs-http-client/issues/1079)) ([e3ed6e9](https://github.com/ipfs/js-ipfs-http-client/commit/e3ed6e9))
+* support adding files via async iterator ([#1078](https://github.com/ipfs/js-ipfs-http-client/issues/1078)) ([377042b](https://github.com/ipfs/js-ipfs-http-client/commit/377042b))
+
+
+
+<a name="33.1.1"></a>
+## [33.1.1](https://github.com/ipfs/js-ipfs-http-client/compare/v33.1.0...v33.1.1) (2019-07-26)
+
+
+### Bug Fixes
+
+* allow passing timeout option to object stat ([#1055](https://github.com/ipfs/js-ipfs-http-client/issues/1055)) ([92b0594](https://github.com/ipfs/js-ipfs-http-client/commit/92b0594))
+
+
+
+<a name="33.1.0"></a>
+# [33.1.0](https://github.com/ipfs/js-ipfs-http-client/compare/v33.0.2...v33.1.0) (2019-07-11)
+
+
+### Bug Fixes
+
+* changelog for 33.x does not include breaking change ([cd41a16](https://github.com/ipfs/js-ipfs-http-client/commit/cd41a16))
+* invalid multipart/form-data ([#948](https://github.com/ipfs/js-ipfs-http-client/issues/948)) ([9e6dfe7](https://github.com/ipfs/js-ipfs-http-client/commit/9e6dfe7)), closes [/tools.ietf.org/html/rfc7578#section-4](https://github.com//tools.ietf.org/html/rfc7578/issues/section-4)
+
+
+### Features
+
+* add support for js-ipfs dag api and also some tests ([#957](https://github.com/ipfs/js-ipfs-http-client/issues/957)) ([8f378a3](https://github.com/ipfs/js-ipfs-http-client/commit/8f378a3))
+
+
+
+<a name="33.0.2"></a>
+## [33.0.2](https://github.com/ipfs/js-ipfs-http-client/compare/v33.0.1...v33.0.2) (2019-07-11)
+
+
+### Bug Fixes
+
+* make findprovs return all responses ([#1041](https://github.com/ipfs/js-ipfs-http-client/issues/1041)) ([63103bd](https://github.com/ipfs/js-ipfs-http-client/commit/63103bd))
+
+
+
+<a name="33.0.1"></a>
+## [33.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v33.0.0...v33.0.1) (2019-07-10)
+
+
+### Bug Fixes
+
+* response for findpeer and findprovs ([#1039](https://github.com/ipfs/js-ipfs-http-client/issues/1039)) ([5252f50](https://github.com/ipfs/js-ipfs-http-client/commit/5252f50))
+
+
+
+<a name="33.0.0"></a>
+# [33.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v32.0.1...v33.0.0) (2019-07-10)
+
+
+### Bug Fixes
+
+* link to ipfs.io ([70cdf25](https://github.com/ipfs/js-ipfs-http-client/commit/70cdf25))
+* prepare for aegir release ([#1021](https://github.com/ipfs/js-ipfs-http-client/issues/1021)) ([806b206](https://github.com/ipfs/js-ipfs-http-client/commit/806b206))
+* sometimes no Addrs element is present in the response ([#1037](https://github.com/ipfs/js-ipfs-http-client/issues/1037)) ([a74b8f7](https://github.com/ipfs/js-ipfs-http-client/commit/a74b8f7))
+* **package:** update bignumber.js to version 9.0.0 ([#1024](https://github.com/ipfs/js-ipfs-http-client/issues/1024)) ([a04edac](https://github.com/ipfs/js-ipfs-http-client/commit/a04edac))
+
+### BREAKING CHANGES
+
+`repo.gc` response objects have changed to `{ err, cid }`, where `err` is an `Error` instance and `cid` is a [`CID`](https://github.com/multiformats/js-cid) instance.
+
+
+
+<a name="32.0.1"></a>
+## [32.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v32.0.0...v32.0.1) (2019-05-21)
+
+
+### Bug Fixes
+
+* error reporting for non-JSON responses ([#1016](https://github.com/ipfs/js-ipfs-http-client/issues/1016)) ([4251c88](https://github.com/ipfs/js-ipfs-http-client/commit/4251c88)), closes [#912](https://github.com/ipfs/js-ipfs-http-client/issues/912) [#1000](https://github.com/ipfs/js-ipfs-http-client/issues/1000) [#1001](https://github.com/ipfs/js-ipfs-http-client/issues/1001)
+* send trickle param to trigger trickle dag builder ([#1015](https://github.com/ipfs/js-ipfs-http-client/issues/1015)) ([a28b009](https://github.com/ipfs/js-ipfs-http-client/commit/a28b009))
+
+
+
+<a name="32.0.0"></a>
+# [32.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v31.1.0...v32.0.0) (2019-05-21)
+
+
+### Bug Fixes
+
+* handle empty array return value in dht.findProvs ([#1003](https://github.com/ipfs/js-ipfs-http-client/issues/1003)) ([15ab7c5](https://github.com/ipfs/js-ipfs-http-client/commit/15ab7c5))
+
+
+### Chores
+
+* update ipld formats ([#1010](https://github.com/ipfs/js-ipfs-http-client/issues/1010)) ([a423d7f](https://github.com/ipfs/js-ipfs-http-client/commit/a423d7f))
+
+
+### BREAKING CHANGES
+
+* The default string encoding for version 1 CIDs has changed to `base32`.
+
+IPLD formats have been updated to the latest versions. IPLD nodes returned by `ipfs.dag` and `ipfs.object` commands have significant breaking changes. If you are using these commands in your application you are likely to encounter the following changes to `dag-pb` nodes (the default node type that IPFS creates):
+
+* `DAGNode` properties have been renamed as follows:
+    * `data` => `Data`
+    * `links` => `Links`
+    * `size` => `size` (Note: no change)
+* `DAGLink` properties have been renamed as follows:
+    * `cid` => `Hash`
+    * `name` => `Name`
+    * `size` => `Tsize`
+
+See CHANGELOGs for each IPLD format for it's respective changes, you can read more about the [`dag-pb` changes in the CHANGELOG](https://github.com/ipld/js-ipld-dag-pb/blob/master)
+
+License: MIT
+Signed-off-by: Alan Shaw <alan.shaw@protocol.ai>
+
+
+
+<a name="31.1.0"></a>
+# [31.1.0](https://github.com/ipfs/js-ipfs-http-client/compare/v31.0.2...v31.1.0) (2019-05-16)
+
+
+### Features
+
+* add support for File DOM API to files-regular ([#986](https://github.com/ipfs/js-ipfs-http-client/issues/986)) ([7b49f7e](https://github.com/ipfs/js-ipfs-http-client/commit/7b49f7e))
+
+
+
+<a name="31.0.2"></a>
+## [31.0.2](https://github.com/ipfs/js-ipfs-http-client/compare/v31.0.1...v31.0.2) (2019-05-16)
+
+
+### Bug Fixes
+
+* error handling for refs/refs local ([#997](https://github.com/ipfs/js-ipfs-http-client/issues/997)) ([391351d](https://github.com/ipfs/js-ipfs-http-client/commit/391351d))
+
+
+
+<a name="31.0.1"></a>
+## [31.0.1](https://github.com/ipfs/js-ipfs-http-client/compare/v31.0.0...v31.0.1) (2019-05-15)
+
+
+### Bug Fixes
+
+* config set with number ([#998](https://github.com/ipfs/js-ipfs-http-client/issues/998)) ([4f21bef](https://github.com/ipfs/js-ipfs-http-client/commit/4f21bef)), closes [#881](https://github.com/ipfs/js-ipfs-http-client/issues/881)
+
+
+
+<a name="31.0.0"></a>
+# [31.0.0](https://github.com/ipfs/js-ipfs-http-client/compare/v30.1.4...v31.0.0) (2019-05-13)
+
+
+### Features
+
+* refs endpoint ([#978](https://github.com/ipfs/js-ipfs-http-client/issues/978)) ([a741e10](https://github.com/ipfs/js-ipfs-http-client/commit/a741e10))
+
+
+### BREAKING CHANGES
+
+* ipfs.refs now returns objects with camelCase properties not PascalCase properties. i.e. `{ ref, err }` not `{ Ref, Err }`
+
+
+
+<a name="30.1.4"></a>
+## [30.1.4](https://github.com/ipfs/js-ipfs-http-client/compare/v30.1.3...v30.1.4) (2019-04-29)
+
+
+### Bug Fixes
+
+* uncaught error: stream.push() after EOF ([#980](https://github.com/ipfs/js-ipfs-http-client/issues/980)) ([cc677f0](https://github.com/ipfs/js-ipfs-http-client/commit/cc677f0)), closes [#967](https://github.com/ipfs/js-ipfs-http-client/issues/967)
+* update Babel in upload-file-via-browser example ([#968](https://github.com/ipfs/js-ipfs-http-client/issues/968)) ([#970](https://github.com/ipfs/js-ipfs-http-client/issues/970)) ([17d49de](https://github.com/ipfs/js-ipfs-http-client/commit/17d49de))
+
+
+
+<a name="30.1.3"></a>
+## [30.1.3](https://github.com/ipfs/js-ipfs-http-client/compare/v30.1.2...v30.1.3) (2019-04-11)
+
+
+### Bug Fixes
+
+* fix missing buffer bundling with browserify ([#966](https://github.com/ipfs/js-ipfs-http-client/issues/966)) ([944a64b](https://github.com/ipfs/js-ipfs-http-client/commit/944a64b)), closes [#964](https://github.com/ipfs/js-ipfs-http-client/issues/964)
+
+
+
 <a name="30.1.2"></a>
 ## [30.1.2](https://github.com/ipfs/js-ipfs-http-client/compare/v30.1.1...v30.1.2) (2019-04-09)
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 33fe54e07..ba4ef9f8f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -26,6 +26,32 @@ Tests in the browser
 $ npm run test:browser
 ```
 
+### Writing a new core interface test
+
+The core interface tests are kept in a separate repo, because they are used by multiple other projects. To add a core interface test, follow this guide:
+
+1. Clone this project repo and the interface core tests repo:
+    * `git clone https://github.com/ipfs/js-ipfs-http-client.git`
+    * `git clone https://github.com/ipfs/interface-js-ipfs-core.git`
+1. Install dependencies and globally [link](https://docs.npmjs.com/cli/link) the interface core tests:
+    * `cd interface-js-ipfs-core`
+    * `npm install`
+    * `npm link`
+1. Write your test
+1. Install dependencies for this project and link to the interface core tests
+    * `cd ../js-ipfs-http-client`
+    * `npm install`
+    * `npm link interface-ipfs-core`
+1. Run the tests:
+    * `npm test`
+
+Next:
+
+1. Send a PR to `ipfs/interface-js-ipfs-core` (please also add to the documentation!)
+1. This will be reviewed by a core contributor and they will perform the same steps as above
+1. When merged, a new version of `interface-ipfs-core` will be released
+1. Finally, a PR needs to be created or updated to `ipfs/js-ipfs-http-client` to use the new version
+
 ## Building browser version
 
 ```bash
diff --git a/COPYRIGHT b/COPYRIGHT
new file mode 100644
index 000000000..b8b0a702d
--- /dev/null
+++ b/COPYRIGHT
@@ -0,0 +1,5 @@
+This project is transitioning from an MIT-only license to a dual MIT/Apache-2.0 license.
+Unless otherwise noted, all code contributed prior to 2019-11-26 and not contributed by
+a user listed in [this signoff issue](https://github.com/ipfs/js-ipfs-http-client/issues/1189) is
+licensed under MIT-only. All new contributions (and past contributions since 2019-11-29)
+are licensed under a dual MIT/Apache-2.0 license.
diff --git a/LICENSE-APACHE b/LICENSE-APACHE
new file mode 100644
index 000000000..14478a3b6
--- /dev/null
+++ b/LICENSE-APACHE
@@ -0,0 +1,5 @@
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
diff --git a/LICENSE b/LICENSE-MIT
similarity index 100%
rename from LICENSE
rename to LICENSE-MIT
diff --git a/README.md b/README.md
index a1ef73530..bd40851aa 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
+# 🔒 Archived <!-- omit in toc -->
+
+The contents of this repo have been merged into [ipfs/js-ipfs](https://github.com/ipfs/js-ipfs).
+
+Please open [issues](https://github.com/ipfs/js-ipfs/issues) or submit [PRs](https://github.com/ipfs/js-ipfs/pulls) there.
+
 <h1 align="center">
-  <a href="ipfs.io"><img width="650px" src="https://ipfs.io/ipfs/QmQJ68PFMDdAsgCZvA1UVzzn18asVcf7HVvCDgpjiSCAse" alt="IPFS http client lib logo" /></a>
+  <a href="https://ipfs.io"><img width="650px" src="https://ipfs.io/ipfs/QmQJ68PFMDdAsgCZvA1UVzzn18asVcf7HVvCDgpjiSCAse" alt="IPFS http client lib logo" /></a>
 </h1>
 
 <h3 align="center">The JavaScript HTTP client library for IPFS implementations.</h3>
@@ -34,17 +40,35 @@
 
 ## Table of Contents
 
+- [Lead Maintainer](#lead-maintainer)
+- [Table of Contents](#table-of-contents)
 - [Install](#install)
   - [Running the daemon with the right port](#running-the-daemon-with-the-right-port)
   - [Importing the module and usage](#importing-the-module-and-usage)
   - [Importing a sub-module and usage](#importing-a-sub-module-and-usage)
-  - [In a web browser through Browserify](#in-a-web-browser-through-browserify)
-  - [In a web browser from CDN](#in-a-web-browser-from-cdn)
+  - [In a web browser](#in-a-web-browser)
   - [CORS](#cors)
+  - [Custom Headers](#custom-headers)
+  - [Global Timeouts](#global-timeouts)
 - [Usage](#usage)
-  - [API Docs](#api)
-  - [Callbacks and promises](#callbacks-and-promises)
+  - [API](#api)
+    - [Files](#files)
+    - [Graph](#graph)
+    - [Network](#network)
+    - [Node Management](#node-management)
+    - [Additional Options](#additional-options)
+    - [Instance Utils](#instance-utils)
+    - [Static Types and Utils](#static-types-and-utils)
+      - [Glob source](#glob-source)
+        - [`globSource(path, [options])`](#globsourcepath-options)
+        - [Example](#example)
+      - [URL source](#url-source)
+        - [`urlSource(url)`](#urlsourceurl)
+        - [Example](#example-1)
+- [Development](#development)
+  - [Testing](#testing)
 - [Contribute](#contribute)
+- [Historical context](#historical-context)
 - [License](#license)
 
 ## Install
@@ -76,19 +100,19 @@ To interact with the API, you need to have a local daemon running. It needs to b
 ### Importing the module and usage
 
 ```javascript
-var ipfsClient = require('ipfs-http-client')
+const ipfsClient = require('ipfs-http-client')
 
 // connect to ipfs daemon API server
-var ipfs = ipfsClient('localhost', '5001', { protocol: 'http' }) // leaving out the arguments will default to these values
+const ipfs = ipfsClient('http://localhost:5001') // (the default in Node.js)
 
 // or connect with multiaddr
-var ipfs = ipfsClient('/ip4/127.0.0.1/tcp/5001')
+const ipfs = ipfsClient('/ip4/127.0.0.1/tcp/5001')
 
 // or using options
-var ipfs = ipfsClient({ host: 'localhost', port: '5001', protocol: 'http' })
+const ipfs = ipfsClient({ host: 'localhost', port: '5001', protocol: 'http' })
 
 // or specifying a specific API path
-var ipfs = ipfsClient({ host: '1.1.1.1', port: '80', 'api-path': '/ipfs/api/v0' })
+const ipfs = ipfsClient({ host: '1.1.1.1', port: '80', apiPath: '/ipfs/api/v0' })
 ```
 
 ### Importing a sub-module and usage
@@ -96,9 +120,8 @@ var ipfs = ipfsClient({ host: '1.1.1.1', port: '80', 'api-path': '/ipfs/api/v0'
 ```javascript
 const bitswap = require('ipfs-http-client/src/bitswap')('/ip4/127.0.0.1/tcp/5001')
 
-bitswap.wantlist(key, (err) => {
-  // ...
-})
+const list = await bitswap.wantlist(key)
+// ...
 ```
 
 ### In a web browser
@@ -120,12 +143,11 @@ Instead of a local installation (and browserification) you may request a remote
 To always request the latest version, use the following:
 
 ```html
-<!-- loading the minified version -->
 <script src="https://unpkg.com/ipfs-http-client/dist/index.min.js"></script>
-<!-- loading the human-readable (not minified) version -->
-<script src="https://unpkg.com/ipfs-http-client/dist/index.js"></script>
 ```
 
+Note: remove the `.min` from the URL to get the human-readable (not minified) version.
+
 For maximum security you may also decide to:
 
 * reference a specific version of IPFS API (to prevent unexpected breaking changes when a newer latest version is published)
@@ -143,7 +165,7 @@ crossorigin="anonymous"></script>
 CDN-based IPFS API provides the `IpfsHttpClient` constructor as a method of the global `window` object. Example:
 
 ```js
-const ipfs = window.IpfsHttpClient('localhost', '5001')
+const ipfs = window.IpfsHttpClient({ host: 'localhost', port: 5001 })
 ```
 
 If you omit the host and port, the client will parse `window.host`, and use this information. This also works, and can be useful if you want to write apps that can be run from multiple different gateways:
@@ -176,6 +198,18 @@ const ipfs = ipfsClient({
 })
 ```
 
+### Global Timeouts
+
+To set a global timeout for _all_ requests pass a value for the `timeout` option:
+
+```js
+// Timeout after 10 seconds
+const ipfs = ipfsClient({ timeout: 10000 })
+// Timeout after 2 minutes
+const ipfs = ipfsClient({ timeout: '2m' })
+// see https://www.npmjs.com/package/parse-duration for valid string values
+```
+
 ## Usage
 
 ### API
@@ -187,187 +221,161 @@ const ipfs = ipfsClient({
 #### Files
 
 - [Regular Files API](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md)
-  - [`ipfs.add(data, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#add)
-  - [`ipfs.addPullStream([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#addpullstream)
-  - [`ipfs.addReadableStream([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#addreadablestream)
-  - [`ipfs.addFromStream(stream, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#addfromstream)
-  - [`ipfs.addFromFs(path, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#addfromfs)
-  - [`ipfs.addFromURL(url, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#addfromurl)
-  - [`ipfs.cat(ipfsPath, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#cat)
-  - [`ipfs.catPullStream(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#catpullstream)
-  - [`ipfs.catReadableStream(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#catreadablestream)
-  - [`ipfs.get(ipfsPath, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#get)
-  - [`ipfs.getPullStream(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#getpullstream)
-  - [`ipfs.getReadableStream(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#getreadablestream)
-  - [`ipfs.ls(ipfsPath, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#ls)
-  - [`ipfs.lsPullStream(ipfsPath)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#lspullstream)
-  - [`ipfs.lsReadableStream(ipfsPath)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#lsreadablestream)
+  - [`ipfs.add(data, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#add)
+  - [`ipfs.cat(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#cat)
+  - [`ipfs.get(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#get)
+  - [`ipfs.ls(ipfsPath)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#ls)
 - [MFS (mutable file system) specific](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#mutable-file-system)
-  - [`ipfs.files.cp([from, to], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filescp)
-  - [`ipfs.files.flush([path], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesflush)
-  - [`ipfs.files.ls([path], [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesls)
-  - [`ipfs.files.mkdir(path, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesmkdir)
-  - [`ipfs.files.mv([from, to], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesmv)
-  - [`ipfs.files.read(path, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesread)
-  - [`ipfs.files.readPullStream(path, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesreadpullstream)
-  - [`ipfs.files.readReadableStream(path, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesreadreadablestream)
-  - [`ipfs.files.rm(path, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesrm)
-  - [`ipfs.files.stat(path, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesstat)
-  - [`ipfs.files.write(path, content, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#fileswrite)
+  - [`ipfs.files.cp([from, to])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filescp)
+  - [`ipfs.files.flush([path])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesflush)
+  - [`ipfs.files.ls([path], [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesls)
+  - [`ipfs.files.mkdir(path, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesmkdir)
+  - [`ipfs.files.mv([from, to])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesmv)
+  - [`ipfs.files.read(path, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesread)
+  - [`ipfs.files.rm(path, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesrm)
+  - [`ipfs.files.stat(path, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#filesstat)
+  - [`ipfs.files.write(path, content, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/FILES.md#fileswrite)
+  _Explore the Mutable File System through interactive coding challenges in our [ProtoSchool tutorial](https://proto.school/#/mutable-file-system/)._
 
 - [block](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md)
-  - [`ipfs.block.get(cid, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md#blockget)
-  - [`ipfs.block.put(block, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md#blockput)
-  - [`ipfs.block.stat(cid, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md#blockstat)
+  - [`ipfs.block.get(cid, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md#blockget)
+  - [`ipfs.block.put(block, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md#blockput)
+  - [`ipfs.block.stat(cid)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BLOCK.md#blockstat)
+
+- [refs](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REFS.md)
+  - [`ipfs.refs(ipfsPath, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REFS.md#refs)
+  - [`ipfs.refs.local()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REFS.md#refslocal)
 
 #### Graph
 
 - [dag](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md)
-  - [`ipfs.dag.get(cid, [path], [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md#dagget)
-  - [`ipfs.dag.put(dagNode, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md#dagput)
-  - [`ipfs.dag.tree(cid, [path], [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md#dagtree)
+  - [`ipfs.dag.get(cid, [path], [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md#dagget)
+  - [`ipfs.dag.put(dagNode, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md#dagput)
+  - [`ipfs.dag.tree(cid, [path], [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DAG.md#dagtree)
+  _Explore the DAG API through interactive coding challenges in our [ProtoSchool tutorial](https://proto.school/#/basics)._
 
 - [object](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md)
-  - [`ipfs.object.data(multihash, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectdata)
-  - [`ipfs.object.get(multihash, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectget)
-  - [`ipfs.object.links(multihash, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectlinks)
-  - [`ipfs.object.new([template], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectnew)
-  - [`ipfs.object.patch.addLink(multihash, DAGLink, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchaddlink)
-  - [`ipfs.object.patch.appendData(multihash, data, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchappenddata)
-  - [`ipfs.object.patch.rmLink(multihash, DAGLink, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchrmlink)
-  - [`ipfs.object.patch.setData(multihash, data, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchsetdata)
-  - [`ipfs.object.put(obj, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectput)
-  - [`ipfs.object.stat(multihash, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectstat)
+  - [`ipfs.object.data(multihash, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectdata)
+  - [`ipfs.object.get(multihash, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectget)
+  - [`ipfs.object.links(multihash, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectlinks)
+  - [`ipfs.object.new([template])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectnew)
+  - [`ipfs.object.patch.addLink(multihash, DAGLink, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchaddlink)
+  - [`ipfs.object.patch.appendData(multihash, data, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchappenddata)
+  - [`ipfs.object.patch.rmLink(multihash, DAGLink, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchrmlink)
+  - [`ipfs.object.patch.setData(multihash, data, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectpatchsetdata)
+  - [`ipfs.object.put(obj, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectput)
+  - [`ipfs.object.stat(multihash, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/OBJECT.md#objectstat)
 
 - [pin](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md)
-  - [`ipfs.pin.add(hash, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md#pinadd)
-  - [`ipfs.pin.ls([hash], [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md#pinls)
-  - [`ipfs.pin.rm(hash, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md#pinrm)
-
-- refs
-  - `ipfs.refs.local()`
+  - [`ipfs.pin.add(hash, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md#pinadd)
+  - [`ipfs.pin.ls([hash], [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md#pinls)
+  - [`ipfs.pin.rm(hash, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PIN.md#pinrm)
 
 #### Network
 
 - [bootstrap](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md)
-  - [`ipfs.bootstrap.add(addr, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md#bootstrapadd)
-  - [`ipfs.bootstrap.list([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md#bootstraplist)
-  - [`ipfs.bootstrap.rm(addr, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md#bootstraprm)
+  - [`ipfs.bootstrap.add(addr, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md#bootstrapadd)
+  - [`ipfs.bootstrap.list()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md#bootstraplist)
+  - [`ipfs.bootstrap.rm(addr, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BOOTSTRAP.md#bootstraprm)
 
 - [bitswap](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BITSWAP.md)
-  - [`ipfs.bitswap.stat([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BITSWAP.md#bitswapstat)
+  - [`ipfs.bitswap.stat()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BITSWAP.md#bitswapstat)
   - [`ipfs.bitswap.wantlist([peerId])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BITSWAP.md#bitswapwantlist)
   - [`ipfs.bitswap.unwant(cid)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/BITSWAP.md#bitswapunwant)
 
 - [dht](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md)
-  - [`ipfs.dht.findPeer(peerId, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtfindpeer)
-  - [`ipfs.dht.findProvs(hash, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtfindprovs)
-  - [`ipfs.dht.get(key, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtget)
-  - [`ipfs.dht.provide(cid, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtprovide)
-  - [`ipfs.dht.put(key, value, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtput)
+  - [`ipfs.dht.findPeer(peerId)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtfindpeer)
+  - [`ipfs.dht.findProvs(hash)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtfindprovs)
+  - [`ipfs.dht.get(key)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtget)
+  - [`ipfs.dht.provide(cid)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtprovide)
+  - [`ipfs.dht.put(key, value)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/DHT.md#dhtput)
 
 - [pubsub](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md)
-  - [`ipfs.pubsub.ls(topic, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubls)
-  - [`ipfs.pubsub.peers(topic, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubpeers)
-  - [`ipfs.pubsub.publish(topic, data, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubpublish)
-  - [`ipfs.pubsub.subscribe(topic, handler, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubsubscribe)
-  - [`ipfs.pubsub.unsubscribe(topic, handler, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubunsubscribe)
+  - [`ipfs.pubsub.ls(topic)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubls)
+  - [`ipfs.pubsub.peers(topic)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubpeers)
+  - [`ipfs.pubsub.publish(topic, data)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubpublish)
+  - [`ipfs.pubsub.subscribe(topic, handler, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubsubscribe)
+  - [`ipfs.pubsub.unsubscribe(topic, handler)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/PUBSUB.md#pubsubunsubscribe)
 
 - [swarm](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md)
-  - [`ipfs.swarm.addrs([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmaddrs)
-  - [`ipfs.swarm.connect(addr, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmconnect)
-  - [`ipfs.swarm.disconnect(addr, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmdisconnect)
-  - [`ipfs.swarm.peers([options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmpeers)
+  - [`ipfs.swarm.addrs()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmaddrs)
+  - [`ipfs.swarm.connect(addr)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmconnect)
+  - [`ipfs.swarm.disconnect(addr)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmdisconnect)
+  - [`ipfs.swarm.peers([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/SWARM.md#swarmpeers)
 
 - [name](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md)
-  - [`ipfs.name.publish(addr, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepublish)
-  - [`ipfs.name.pubsub.cancel(arg, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepubsubcancel)
-  - [`ipfs.name.pubsub.state([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepubsubstate)
-  - [`ipfs.name.pubsub.subs([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepubsubsubs)
-  - [`ipfs.name.resolve(addr, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#nameresolve)
+  - [`ipfs.name.publish(addr, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepublish)
+  - [`ipfs.name.pubsub.cancel(arg)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepubsubcancel)
+  - [`ipfs.name.pubsub.state()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepubsubstate)
+  - [`ipfs.name.pubsub.subs()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#namepubsubsubs)
+  - [`ipfs.name.resolve(addr, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/NAME.md#nameresolve)
 
 #### Node Management
 
 - [miscellaneous operations](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md)
-  - [`ipfs.dns(domain, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#dns)
-  - [`ipfs.id([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#id)
-  - [`ipfs.ping(id, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#ping)
-  - [`ipfs.pingPullStream(id, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#pingpullstream)
-  - [`ipfs.pingReadableStream(id, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#pingreadablestream)
-  - [`ipfs.stop([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#stop). Alias to `ipfs.shutdown`.
-  - [`ipfs.version([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#version)
+  - [`ipfs.dns(domain)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#dns)
+  - [`ipfs.id()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#id)
+  - [`ipfs.ping(id, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#ping)
+  - [`ipfs.stop()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#stop). Alias to `ipfs.shutdown`.
+  - [`ipfs.version()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/MISCELLANEOUS.md#version)
 
 - [config](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md)
-  - [`ipfs.config.get([key], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configget)
-  - [`ipfs.config.replace(config, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configreplace)
-  - [`ipfs.config.set(key, value, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configset)
+  - [`ipfs.config.get([key])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configget)
+  - [`ipfs.config.replace(config)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configreplace)
+  - [`ipfs.config.set(key, value)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configset)
+  - [`ipfs.config.profiles.list()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configprofileslist)
+  - [`ipfs.config.profiles.apply(name, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/CONFIG.md#configprofilesapply)
 
 - [stats](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md)
-  - [`ipfs.stats.bitswap([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsbitswap)
-  - [`ipfs.stats.bw([options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsbw)
-  - [`ipfs.stats.bwPullStream([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsbwpullstream)
-  - [`ipfs.stats.bwReadableStream([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsbwreadablestream)
-  - [`ipfs.stats.repo([options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsrepo)
+  - [`ipfs.stats.bitswap()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsbitswap)
+  - [`ipfs.stats.bw([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsbw)
+  - [`ipfs.stats.repo([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/STATS.md#statsrepo)
 
 - log
-  - `ipfs.log.level(subsystem, level, [options], [callback])`
-  - `ipfs.log.ls([callback])`
-  - `ipfs.log.tail([callback])`
+  - `ipfs.log.level(subsystem, level, [options])`
+  - `ipfs.log.ls()`
+  - `ipfs.log.tail()`
 
 - [repo](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md)
-  - [`ipfs.repo.gc([options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md#repogc)
-  - [`ipfs.repo.stat([options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md#repostat)
-  - [`ipfs.repo.version([callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md#repoversion)
+  - [`ipfs.repo.gc([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md#repogc)
+  - [`ipfs.repo.stat([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md#repostat)
+  - [`ipfs.repo.version()`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/REPO.md#repoversion)
 
 - [key](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md)
-  - [`ipfs.key.export(name, password, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyexport)
-  - [`ipfs.key.gen(name, [options], [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keygen)
-  - [`ipfs.key.import(name, pem, password, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyimport)
-  - [`ipfs.key.list([options, callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keylist)
-  - [`ipfs.key.rename(oldName, newName, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyrename)
-  - [`ipfs.key.rm(name, [callback])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyrm)
+  - [`ipfs.key.export(name, password)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyexport)
+  - [`ipfs.key.gen(name, [options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keygen)
+  - [`ipfs.key.import(name, pem, password)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyimport)
+  - [`ipfs.key.list([options])`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keylist)
+  - [`ipfs.key.rename(oldName, newName)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyrename)
+  - [`ipfs.key.rm(name)`](https://github.com/ipfs/interface-ipfs-core/blob/master/SPEC/KEY.md#keyrm)
 
-#### Pubsub Caveat
+#### Additional Options
 
-**Currently, the [PubSub API only works in Node.js environment](https://github.com/ipfs/js-ipfs-http-client/issues/518)**
+All core API methods take _additional_ `options` specific to the HTTP API:
 
-We currently don't support pubsub when run in the browser, and we test it with separate set of tests to make sure if it's being used in the browser, pubsub errors.
+* `headers` - An object or [Headers](https://developer.mozilla.org/en-US/docs/Web/API/Headers) instance that can be used to set custom HTTP headers. Note that this option can also be [configured globally](#custom-headers) via the constructor options.
+* `signal` - An [`AbortSignal`](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal) that can be used to abort the request on demand.
+* `timeout` - A number or string specifying a timeout for the request. If the timeout is reached before data is received a [`TimeoutError`](https://github.com/sindresorhus/ky/blob/2f37c3f999efb36db9108893b8b3d4b3a7f5ec45/index.js#L127-L132) is thrown. If a number is specified it is interpreted as milliseconds, if a string is passed, it is intepreted according to [`parse-duration`](https://www.npmjs.com/package/parse-duration). Note that this option can also be [configured globally](#global-timeouts) via the constructor options.
+* `searchParams` - An object or [`URLSearchParams`](https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams) instance that can be used to add additional query parameters to the query string sent with each request.
 
-More info: https://github.com/ipfs/js-ipfs-http-client/issues/518
-
-This means:
-- You can use pubsub from js-ipfs-http-client in Node.js
-- You can use pubsub from js-ipfs-http-client in Electron
-  (when js-ipfs-http-client is ran in the main process of Electron)
-- You can't use pubsub from js-ipfs-http-client in the browser
-- You can't use pubsub from js-ipfs-http-client in Electron's
-  renderer process
-- You can use pubsub from js-ipfs in the browsers
-- You can use pubsub from js-ipfs in Node.js
-- You can use pubsub from js-ipfs in Electron
-  (in both the main process and the renderer process)
-- See https://github.com/ipfs/js-ipfs for details on
-  pubsub in js-ipfs
-
-#### Instance utils
+#### Instance Utils
 
 - `ipfs.getEndpointConfig()`
 
 Call this on your client instance to return an object containing the `host`, `port`, `protocol` and `api-path`.
 
-#### Static types and utils
+#### Static Types and Utils
 
 Aside from the default export, `ipfs-http-client` exports various types and utilities that are included in the bundle:
 
-- [`isIPFS`](https://www.npmjs.com/package/is-ipfs)
 - [`Buffer`](https://www.npmjs.com/package/buffer)
-- [`PeerId`](https://www.npmjs.com/package/peer-id)
-- [`PeerInfo`](https://www.npmjs.com/package/peer-info)
 - [`multiaddr`](https://www.npmjs.com/package/multiaddr)
 - [`multibase`](https://www.npmjs.com/package/multibase)
 - [`multicodec`](https://www.npmjs.com/package/multicodec)
-- [`multihash`](https://www.npmjs.com/package/multihash)
+- [`multihash`](https://www.npmjs.com/package/multihashes)
 - [`CID`](https://www.npmjs.com/package/cids)
+- [`globSource`](https://github.com/ipfs/js-ipfs-utils/blob/master/src/files/glob-source.js) (not available in the browser)
+- [`urlSource`](https://github.com/ipfs/js-ipfs-utils/blob/master/src/files/url-source.js)
 
 These can be accessed like this, for example:
 
@@ -377,6 +385,74 @@ const { CID } = require('ipfs-http-client')
 import { CID } from 'ipfs-http-client'
 ```
 
+##### Glob source
+
+A utility to allow files on the file system to be easily added to IPFS.
+
+###### `globSource(path, [options])`
+
+- `path`: A path to a single file or directory to glob from
+- `options`: Optional options
+- `options.recursive`: If `path` is a directory, use option `{ recursive: true }` to add the directory and all its sub-directories.
+- `options.ignore`: To exclude file globs from the directory, use option `{ ignore: ['ignore/this/folder/**', 'and/this/file'] }`.
+- `options.hidden`: Hidden/dot files (files or folders starting with a `.`, for example, `.git/`) are not included by default. To add them, use the option `{ hidden: true }`.
+
+Returns an async iterable that yields `{ path, content }` objects suitable for passing to `ipfs.add`.
+
+###### Example
+
+```js
+const IpfsHttpClient = require('ipfs-http-client')
+const { globSource } = IpfsHttpClient
+const ipfs = IpfsHttpClient()
+
+for await (const file of ipfs.add(globSource('./docs', { recursive: true }))) {
+  console.log(file)
+}
+/*
+{
+  path: 'docs/assets/anchor.js',
+  cid: CID('QmVHxRocoWgUChLEvfEyDuuD6qJ4PhdDL2dTLcpUy3dSC2'),
+  size: 15347
+}
+{
+  path: 'docs/assets/bass-addons.css',
+  cid: CID('QmPiLWKd6yseMWDTgHegb8T7wVS7zWGYgyvfj7dGNt2viQ'),
+  size: 232
+}
+...
+*/
+```
+
+##### URL source
+
+A utility to allow content from the internet to be easily added to IPFS.
+
+###### `urlSource(url)`
+
+- `url`: A string URL or [`URL`](https://developer.mozilla.org/en-US/docs/Web/API/URL) instance to send HTTP GET request to
+
+Returns an async iterable that yields `{ path, content }` objects suitable for passing to `ipfs.add`.
+
+###### Example
+
+```js
+const IpfsHttpClient = require('ipfs-http-client')
+const { urlSource } = IpfsHttpClient
+const ipfs = IpfsHttpClient()
+
+for await (const file of ipfs.add(urlSource('https://ipfs.io/images/ipfs-logo.svg'))) {
+  console.log(file)
+}
+/*
+{
+  path: 'ipfs-logo.svg',
+  cid: CID('QmTqZhR6f7jzdhLgPArDPnsbZpvvgxzCZycXK7ywkLxSyU'),
+  size: 3243
+}
+*/
+```
+
 ## Development
 
 ### Testing
@@ -390,7 +466,7 @@ The js-ipfs-http-client is a work in progress. As such, there's a few things you
 - **[Check out the existing issues](https://github.com/ipfs/js-ipfs-http-client/issues)**!
 - **Perform code reviews**. More eyes will help a) speed the project along b) ensure quality and c) reduce possible future bugs.
 - **Add tests**. There can never be enough tests. Note that interface tests exist inside [`interface-ipfs-core`](https://github.com/ipfs/interface-ipfs-core/tree/master/js/src).
-- **Contribute to the [FAQ repository](https://github.com/ipfs/faq/issues)** with any questions you have about IPFS or any of the relevant technology. A good example would be asking, 'What is a merkledag tree?'. If you don't know a term, odds are, someone else doesn't either. Eventually, we should have a good understanding of where we need to improve communications and teaching together to make IPFS and IPN better.
+- **Contribute to the [FAQ repository](https://github.com/ipfs/faq/issues)** with any questions you have about IPFS or any of the relevant technology. A good example would be asking, 'What is a merkledag tree?'. If you don't know a term, odds are, someone else doesn't either. Eventually, we should have a good understanding of where we need to improve communications and teaching together to make IPFS and IPNS better.
 
 **Want to hack on IPFS?**
 
diff --git a/examples/browser-pubsub/.gitignore b/examples/browser-pubsub/.gitignore
new file mode 100644
index 000000000..0e804e3a5
--- /dev/null
+++ b/examples/browser-pubsub/.gitignore
@@ -0,0 +1 @@
+bundle.js
diff --git a/examples/browser-pubsub/README.md b/examples/browser-pubsub/README.md
new file mode 100644
index 000000000..a74f77604
--- /dev/null
+++ b/examples/browser-pubsub/README.md
@@ -0,0 +1,94 @@
+# Pubsub in the browser
+
+> Use pubsub in the browser!
+
+This example is a demo web application that allows you to connect to an IPFS node, subscribe to a pubsub topic and send/receive messages. We'll start two IPFS nodes and two browsers and use the `ipfs-http-client` to instruct each node to listen to a pubsub topic and send/receive pubsub messages to/from each other. We're aiming for something like this:
+
+```
+   +-----------+                   +-----------+
+   |           +------------------->           |
+   |  js-ipfs  |      pubsub       |  go-ipfs  |
+   |           <-------------------+           |
+   +-----^-----+                   +-----^-----+
+         |                               |
+         | HTTP API                      | HTTP API
+         |                               |
++-------------------+         +-------------------+
++-------------------+         +-------------------+
+|                   |         |                   |
+|                   |         |                   |
+|     Browser 1     |         |     Browser 2     |
+|                   |         |                   |
+|                   |         |                   |
+|                   |         |                   |
++-------------------+         +-------------------+
+```
+
+## 1. Get started
+
+With Node.js and git installed, clone the repo and install the project dependencies:
+
+```sh
+git clone https://github.com/ipfs/js-ipfs-http-client.git
+cd js-ipfs-http-client
+npm install # Installs ipfs-http-client dependencies
+cd examples/browser-pubsub
+npm install # Installs browser-pubsub app dependencies
+```
+
+Start the example application:
+
+```sh
+npm start
+```
+
+You should see something similar to the following in your terminal and the web app should now be available if you navigate to http://127.0.0.1:8888 using your browser:
+
+```sh
+Starting up http-server, serving ./
+Available on:
+  http://127.0.0.1:8888
+```
+
+## 2. Start two IPFS nodes
+
+To demonstrate pubsub we need two nodes running so pubsub messages can be passed between them.
+
+Right now the easiest way to do this is to install and start a `js-ipfs` and `go-ipfs` node. There are other ways to do this, see [this document on running multiple nodes](https://github.com/ipfs/js-ipfs/tree/master/examples/running-multiple-nodes) for details.
+
+### Install and start the JS IPFS node
+
+```sh
+npm install -g ipfs
+jsipfs init
+# Configure CORS to allow ipfs-http-client to access this IPFS node
+jsipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin '["http://127.0.0.1:8888"]'
+# Start the IPFS node, enabling pubsub
+jsipfs daemon
+```
+
+### Install and start the Go IPFS node
+
+Head over to https://dist.ipfs.io/#go-ipfs and hit the "Download go-ipfs" button. Extract the archive and read the instructions to install.
+
+After installation:
+
+```sh
+ipfs init
+# Configure CORS to allow ipfs-http-client to access this IPFS node
+ipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin '["http://127.0.0.1:8888"]'
+# Start the IPFS node, enabling pubsub
+ipfs daemon --enable-pubsub-experiment
+```
+
+## 3. Open two browsers and connect to each node
+
+Now, open up **two** browser windows. This could be two tabs in the same browser or two completely different browsers, it doesn't matter. Navigate to http://127.0.0.1:8888 in both.
+
+In the "API ADDR" field enter `/ip4/127.0.0.1/tcp/5001` in one browser and `/ip4/127.0.0.1/tcp/5002` in the other and hit the "Connect" button.
+
+This connects each browser to an IPFS node and now from the comfort of our browser we can instruct each node to listen to a pubsub topic and send/receive pubsub messages to each other.
+
+> N.B. Since our two IPFS nodes are running on the same network they should have already found each other by MDNS. So you probably won't need to use the "CONNECT TO PEER" field. If you find your pubsub messages aren't getting through, check the output from your `jsipfs daemon` command and find the first address listed in "Swarm listening on" - it'll look like `/ip4/127.0.0.1/tcp/4002/ipfs/Qm...`. Paste this address into the "CONNECT TO PEER" field for the browser that is connected to your go-ipfs node and hit connect.
+
+Finally, use the "SUBSCRIBE TO PUBSUB TOPIC" and "SEND MESSAGE" fields to do some pubsub-ing, you should see messages sent from one browser appear in the log of the other (provided they're both subscribed to the same topic).
diff --git a/examples/browser-pubsub/index.html b/examples/browser-pubsub/index.html
new file mode 100644
index 000000000..22a0d4765
--- /dev/null
+++ b/examples/browser-pubsub/index.html
@@ -0,0 +1,42 @@
+<!doctype html>
+<html>
+<head>
+  <title>Pubsub in the browser</title>
+  <link rel="stylesheet" href="https://unpkg.com/tachyons@4.10.0/css/tachyons.min.css"/>
+  <link rel="stylesheet" href="https://unpkg.com/ipfs-css@0.12.0/ipfs.css">
+</head>
+<body class="sans-serif">
+  <header class="pv3 ph2 ph3-l bg-navy cf mb4">
+    <a href="https://ipfs.io/" title="ipfs.io">
+      <img src="https://ipfs.io/images/ipfs-logo.svg" class="v-mid" style="height:50px">
+    </a>
+    <h1 class="aqua fw2 montserrat dib ma0 pv2 ph1 v-mid fr f3 lh-copy">Pubsub</h1>
+  </header>
+  <div class="ph3 mb3">
+    <div class="fw2 tracked ttu f6 teal-muted mb2">API Addr</div>
+    <input id="api-url" value="/ip4/127.0.0.1/tcp/5001" class="dib w-50 ph1 pv2 monospace input-reset ba b--black-20 border-box" placeholder="e.g. /ip4/127.0.0.1/tcp/5001" />
+    <button id="node-connect" class="dib ph3 pv2 input-reset ba b--black-20 border-box">Connect</button>
+  </div>
+  <div class="ph3 mb3">
+    <div class="fw2 tracked ttu f6 teal-muted mb2">Connect to peer</div>
+    <input id="peer-addr" class="dib w-50 ph1 pv2 monospace input-reset ba b--black-20 border-box" placeholder="e.g. /ip4/127.0.0.1/tcp/4002/ipfs/QmPeerId" />
+    <button id="peer-connect" class="dib ph3 pv2 input-reset ba b--black-20 border-box">Connect</button>
+  </div>
+  <div class="ph3 mb3">
+    <div class="fw2 tracked ttu f6 teal-muted mb2">Subscribe to pubsub topic</div>
+    <input id="topic" class="dib w-50 ph1 pv2 monospace input-reset ba b--black-20 border-box" placeholder="e.g. books" />
+    <button id="subscribe" class="dib ph3 pv2 input-reset ba b--black-20 border-box">Subscribe</button>
+  </div>
+  <div class="ph3 mb3">
+    <div class="fw2 tracked ttu f6 teal-muted mb2">Send pubsub message</div>
+    <input id="message" class="dib w-50 ph1 pv2 monospace input-reset ba b--black-20 border-box" />
+    <button id="send" class="dib ph3 pv2 input-reset ba b--black-20 border-box">Send</button>
+  </div>
+  <div class="ph3 mb3">
+    <div class="fw2 tracked ttu f6 teal-muted mb2">Console</div>
+    <div id="console" class="f7 db w-100 ph1 pv2 monospace input-reset ba b--black-20 border-box overflow-scroll" style="height: 300px">
+    </div>
+  </div>
+  <script src="index.js"></script>
+</body>
+</html>
diff --git a/examples/browser-pubsub/index.js b/examples/browser-pubsub/index.js
new file mode 100644
index 000000000..eae1dab17
--- /dev/null
+++ b/examples/browser-pubsub/index.js
@@ -0,0 +1,135 @@
+'use strict'
+
+const IpfsHttpClient = require('ipfs-http-client')
+const { sleep, Logger, onEnterPress, catchAndLog } = require('./util')
+
+async function main () {
+  const apiUrlInput = document.getElementById('api-url')
+  const nodeConnectBtn = document.getElementById('node-connect')
+
+  const peerAddrInput = document.getElementById('peer-addr')
+  const peerConnectBtn = document.getElementById('peer-connect')
+
+  const topicInput = document.getElementById('topic')
+  const subscribeBtn = document.getElementById('subscribe')
+
+  const messageInput = document.getElementById('message')
+  const sendBtn = document.getElementById('send')
+
+  let log = Logger(document.getElementById('console'))
+  let ipfs
+  let topic
+  let peerId
+
+  async function reset () {
+    if (ipfs && topic) {
+      log(`Unsubscribing from topic ${topic}`)
+      await ipfs.pubsub.unsubscribe(topic)
+    }
+    log = Logger(document.getElementById('console'))
+    topicInput.value = ''
+    topic = null
+    peerId = null
+    ipfs = null
+  }
+
+  async function nodeConnect (url) {
+    await reset()
+    log(`Connecting to ${url}`)
+    ipfs = IpfsHttpClient(url)
+    const { id, agentVersion } = await ipfs.id()
+    peerId = id
+    log(`<span class="green">Success!</span>`)
+    log(`Version ${agentVersion}`)
+    log(`Peer ID ${id}`)
+  }
+
+  async function peerConnect (addr) {
+    if (!addr) throw new Error('Missing peer multiaddr')
+    if (!ipfs) throw new Error('Connect to a node first')
+    log(`Connecting to peer ${addr}`)
+    await ipfs.swarm.connect(addr)
+    log(`<span class="green">Success!</span>`)
+    log('Listing swarm peers...')
+    await sleep()
+    const peers = await ipfs.swarm.peers()
+    peers.forEach(peer => {
+      const fullAddr = `${peer.addr}/ipfs/${peer.peer.toB58String()}`
+      log(`<span class="${addr.endsWith(peer.peer.toB58String()) ? 'teal' : ''}">${fullAddr}</span>`)
+    })
+    log(`(${peers.length} peers total)`)
+  }
+
+  async function subscribe (nextTopic) {
+    if (!nextTopic) throw new Error('Missing topic name')
+    if (!ipfs) throw new Error('Connect to a node first')
+
+    const lastTopic = topic
+
+    if (topic) {
+      topic = null
+      log(`Unsubscribing from topic ${lastTopic}`)
+      await ipfs.pubsub.unsubscribe(lastTopic)
+    }
+
+    log(`Subscribing to ${nextTopic}...`)
+
+    await ipfs.pubsub.subscribe(nextTopic, msg => {
+      const from = msg.from
+      const seqno = msg.seqno.toString('hex')
+      if (from === peerId) return log(`Ignoring message ${seqno} from self`)
+      log(`Message ${seqno} from ${from}:`)
+      try {
+        log(JSON.stringify(msg.data.toString(), null, 2))
+      } catch (_) {
+        log(msg.data.toString('hex'))
+      }
+    }, {
+      onError: (err, fatal) => {
+        if (fatal) {
+          console.error(err)
+          log(`<span class="red">${err.message}</span>`)
+          topic = null
+          log('Resubscribing in 5s...')
+          setTimeout(catchAndLog(() => subscribe(nextTopic), log), 5000)
+        } else {
+          console.warn(err)
+        }
+      }
+    })
+
+    topic = nextTopic
+    log(`<span class="green">Success!</span>`)
+  }
+
+  async function send (msg) {
+    if (!msg) throw new Error('Missing message')
+    if (!topic) throw new Error('Subscribe to a topic first')
+    if (!ipfs) throw new Error('Connect to a node first')
+
+    log(`Sending message to ${topic}...`)
+    await ipfs.pubsub.publish(topic, msg)
+    log(`<span class="green">Success!</span>`)
+  }
+
+  const onNodeConnectClick = catchAndLog(() => nodeConnect(apiUrlInput.value), log)
+  apiUrlInput.addEventListener('keydown', onEnterPress(onNodeConnectClick))
+  nodeConnectBtn.addEventListener('click', onNodeConnectClick)
+
+  const onPeerConnectClick = catchAndLog(() => peerConnect(peerAddrInput.value), log)
+  peerAddrInput.addEventListener('keydown', onEnterPress(onPeerConnectClick))
+  peerConnectBtn.addEventListener('click', onPeerConnectClick)
+
+  const onSubscribeClick = catchAndLog(() => subscribe(topicInput.value), log)
+  topicInput.addEventListener('keydown', onEnterPress(onSubscribeClick))
+  subscribeBtn.addEventListener('click', onSubscribeClick)
+
+  const onSendClick = catchAndLog(async () => {
+    await send(messageInput.value)
+    messageInput.value = ''
+  }, log)
+  messageInput.addEventListener('keydown', onEnterPress(onSendClick))
+  sendBtn.addEventListener('click', onSendClick)
+}
+
+main()
diff --git a/examples/browser-pubsub/package.json b/examples/browser-pubsub/package.json
new file mode 100644
index 000000000..6e519bf9e
--- /dev/null
+++ b/examples/browser-pubsub/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "browser-pubsub-example",
+  "version": "0.0.0",
+  "description": "An example demonstrating pubsub in the browser",
+  "private": true,
+  "main": "index.js",
+  "scripts": {
+    "start": "parcel index.html"
+  },
+  "author": "Alan Shaw",
+  "license": "MIT",
+  "dependencies": {
+    "ipfs-http-client": "../../"
+  },
+  "browserslist": [
+    "last 2 versions and not dead and > 2%"
+  ],
+  "devDependencies": {
+    "parcel-bundler": "^1.12.4"
+  }
+}
diff --git a/examples/browser-pubsub/util.js b/examples/browser-pubsub/util.js
new file mode 100644
index 000000000..e6aada61f
--- /dev/null
+++ b/examples/browser-pubsub/util.js
@@ -0,0 +1,31 @@
+exports.sleep = (ms = 1000) => new Promise(resolve => setTimeout(resolve, ms))
+
+exports.Logger = outEl => {
+  outEl.innerHTML = ''
+  return message => {
+    const container = document.createElement('div')
+    container.innerHTML = message
+    outEl.appendChild(container)
+    outEl.scrollTop = outEl.scrollHeight
+  }
+}
+
+exports.onEnterPress = fn => {
+  return e => {
+    if (event.which == 13 || event.keyCode == 13) {
+      e.preventDefault()
+      fn()
+    }
+  }
+}
+
+exports.catchAndLog = (fn, log) => {
+  return async (...args) => {
+    try {
+      await fn(...args)
+    } catch (err) {
+      console.error(err)
+      log(`<span class="red">${err.message}</span>`)
+    }
+  }
+}
diff --git a/examples/bundle-browserify/.gitignore b/examples/bundle-browserify/.gitignore
deleted file mode 100644
index 4187d6774..000000000
--- a/examples/bundle-browserify/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-bundle.js
\ No newline at end of file
diff --git a/examples/bundle-browserify/README.md b/examples/bundle-browserify/README.md
deleted file mode 100644
index a185527e0..000000000
--- a/examples/bundle-browserify/README.md
+++ /dev/null
@@ -1,35 +0,0 @@
-# Bundle js-ipfs-http-client with Browserify!
-
-> In this example, you will find a boilerplate you can use to guide yourself into bundling js-ipfs-http-client with browserify, so that you can use it in your own web app!
-
-## Setup
-
-As for any js-ipfs-http-client example, **you need a running IPFS daemon**, you learn how to do that here:
-
-- [Spawn a go-ipfs daemon](https://ipfs.io/docs/getting-started/)
-- [Spawn a js-ipfs daemon](https://github.com/ipfs/js-ipfs#usage)
-
-**Note:** If you load your app from a different domain than the one the daemon is running (most probably), you will need to set up CORS, see https://github.com/ipfs/js-ipfs-http-client#cors to learn how to do that.
-
-A quick (and dirty way to get it done) is:
-
-```bash
-> ipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin "[\"*\"]"
-> ipfs config --json API.HTTPHeaders.Access-Control-Allow-Credentials "[\"true\"]"
-```
-
-## Run this example
-
-Once the daemon is on, run the following commands within this folder:
-
-```bash
-> npm install
-> npm start
-```
-
-Now open your browser at `http://localhost:8888`
-
-You should see the following:
-
-![](https://ipfs.io/ipfs/QmNtpcWCEd6LjdPNfBFDaVZdD4jpgT8ZTAwoFJXKhYMJdo/1.png)
-![](https://ipfs.io/ipfs/QmNtpcWCEd6LjdPNfBFDaVZdD4jpgT8ZTAwoFJXKhYMJdo/2.png)
diff --git a/examples/bundle-browserify/img/1.png b/examples/bundle-browserify/img/1.png
deleted file mode 100644
index 580511dad..000000000
Binary files a/examples/bundle-browserify/img/1.png and /dev/null differ
diff --git a/examples/bundle-browserify/img/2.png b/examples/bundle-browserify/img/2.png
deleted file mode 100644
index 5c72fc0a3..000000000
Binary files a/examples/bundle-browserify/img/2.png and /dev/null differ
diff --git a/examples/bundle-browserify/index.html b/examples/bundle-browserify/index.html
deleted file mode 100644
index 77596e861..000000000
--- a/examples/bundle-browserify/index.html
+++ /dev/null
@@ -1,26 +0,0 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8"/>
-    <title>JS IPFS API - Example - Browser - Add</title>
-    <script src="bundle.js"></script>
-    <style>
-      .content {
-        border: 1px solid black;
-        padding: 10px;
-        margin: 5px 0;
-      }
-    </style>
-  </head>
-  <body>
-    <h1>JS IPFS API - Add data to IPFS from the browser</h1>
-    <textarea id="source">
-    </textarea>
-    <button id="store">add to ipfs</button>
-    <div>
-      <div>found in ipfs:</div>
-      <div class="content" id="hash">[ipfs hash]</div>
-      <div class="content" id="content">[ipfs content]</div>
-    </div>
-  </body>
-</html>
diff --git a/examples/bundle-browserify/index.js b/examples/bundle-browserify/index.js
deleted file mode 100644
index b0bc9f15e..000000000
--- a/examples/bundle-browserify/index.js
+++ /dev/null
@@ -1,36 +0,0 @@
-'use strict'
-
-var IPFS = require('ipfs-http-client')
-
-var ipfs = IPFS()
-
-function store () {
-  var toStore = document.getElementById('source').value
-  ipfs.add(Buffer.from(toStore), function (err, res) {
-    if (err || !res) {
-      return console.error('ipfs add error', err, res)
-    }
-
-    res.forEach(function (file) {
-      if (file && file.hash) {
-        console.log('successfully stored', file.hash)
-        display(file.hash)
-      }
-    })
-  })
-}
-
-function display (hash) {
-  ipfs.cat(hash, function (err, res) {
-    if (err || !res) {
-      return console.error('ipfs cat error', err, res)
-    }
-
-    document.getElementById('hash').innerText = hash
-    document.getElementById('content').innerText = res.toString()
-  })
-}
-
-document.addEventListener('DOMContentLoaded', function () {
-  document.getElementById('store').onclick = store
-})
diff --git a/examples/bundle-browserify/package.json b/examples/bundle-browserify/package.json
deleted file mode 100644
index 4e64ef8a5..000000000
--- a/examples/bundle-browserify/package.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "name": "bundle-browserify",
-  "version": "1.0.0",
-  "description": "Bundle js-ipfs-http-client with Browserify",
-  "main": "index.js",
-  "scripts": {
-    "start": "browserify index.js > bundle.js && http-server -a 127.0.0.1 -p 8888"
-  },
-  "keywords": [],
-  "author": "Friedel Ziegelmayer",
-  "license": "MIT",
-  "devDependencies": {
-    "browserify": "^13.1.1",
-    "ipfs-http-client": "../../",
-    "http-server": "~0.9.0"
-  },
-  "dependencies": {}
-}
diff --git a/examples/bundle-webpack/README.md b/examples/bundle-webpack/README.md
index 3b894b7f5..c85543240 100644
--- a/examples/bundle-webpack/README.md
+++ b/examples/bundle-webpack/README.md
@@ -11,7 +11,7 @@ As for any js-ipfs-http-client example, **you need a running IPFS daemon**, you
 
 **Note:** If you load your app from a different domain than the one the daemon is running (most probably), you will need to set up CORS, see https://github.com/ipfs/js-ipfs-http-client#cors to learn how to do that.
 
-A quick (and dirty way to get it done) is:
+A quick (and dirty) way to get it done is:
 
 ```bash
 > ipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin "[\"*\"]"
diff --git a/examples/bundle-webpack/package.json b/examples/bundle-webpack/package.json
index 48ecb1ec5..7141efa03 100644
--- a/examples/bundle-webpack/package.json
+++ b/examples/bundle-webpack/package.json
@@ -14,16 +14,13 @@
     "@babel/preset-react": "^7.0.0",
     "babel-loader": "^8.0.5",
     "ipfs-http-client": "../../",
-    "react": "^16.8.1",
-    "react-dom": "^16.8.1",
-    "react-hot-loader": "^4.6.5",
-    "webpack": "^4.29.3",
-    "webpack-dev-server": "^3.1.14"
+    "react": "~16.8.6",
+    "react-dom": "~16.8.6",
+    "react-hot-loader": "~4.8.4",
+    "webpack": "~4.31.0",
+    "webpack-dev-server": "~3.3.1"
   },
   "browserslist": [
-    ">1%",
-    "not dead",
-    "not ie <= 11",
-    "not op_mini all"
+    "last 2 versions and not dead and > 2%"
   ]
 }
diff --git a/examples/bundle-webpack/src/App.js b/examples/bundle-webpack/src/App.js
index 06bf81991..bc25b5b81 100644
--- a/examples/bundle-webpack/src/App.js
+++ b/examples/bundle-webpack/src/App.js
@@ -2,7 +2,7 @@
 const React = require('react')
 const ipfsClient = require('ipfs-http-client')
 
-const ipfs = ipfsClient('localhost', '5001')
+const ipfs = ipfsClient('/ip4/127.0.0.1/tcp/5001')
 const stringToUse = 'hello world from webpacked IPFS'
 
 class App extends React.Component {
@@ -16,24 +16,27 @@ class App extends React.Component {
       added_file_contents: null
     }
   }
-  componentDidMount () {
-    ipfs.id((err, res) => {
-      if (err) throw err
-      this.setState({
-        id: res.id,
-        version: res.agentVersion,
-        protocol_version: res.protocolVersion
-      })
+  async componentDidMount () {
+    const id = await ipfs.id()
+    this.setState({
+      id: id.id,
+      version: id.agentVersion,
+      protocol_version: id.protocolVersion
     })
-    ipfs.add([Buffer.from(stringToUse)], (err, res) => {
-      if (err) throw err
-      const hash = res[0].hash
+
+    const source = ipfs.add(stringToUse)
+    for await (const file of source) {
+      console.log("TCL: App -> forawait -> file", file)
+      const hash = file.path
       this.setState({ added_file_hash: hash })
-      ipfs.cat(hash, (err, data) => {
-        if (err) throw err
-        this.setState({ added_file_contents: data.toString() })
-      })
-    })
+
+      const source = ipfs.cat(hash)
+      const data = []
+      for await (const chunk of source) {
+        data.push(chunk)
+      }
+      this.setState({ added_file_contents: Buffer.concat(data).toString() })
+    }
   }
   render () {
     return <div style={{ textAlign: 'center' }}>
diff --git a/examples/files-api/files-api.js b/examples/files-api/files-api.js
index fefc957d6..308c3fc9e 100644
--- a/examples/files-api/files-api.js
+++ b/examples/files-api/files-api.js
@@ -1,14 +1,21 @@
+/* eslint-disable no-console */
 'use strict'
 
-const ipfs = require('../../src')('localhost', 5001)
+// Run `ipfs daemon` in your terminal to start the IPFS daemon
+// Look for `API server listening on /ip4/127.0.0.1/tcp/5001`
+const ipfs = require('../../src')('/ip4/127.0.0.1/tcp/5001')
 
-ipfs.files.ls('/folder1', function (err, res) {
-  if (err) {
-    return console.log('got an error', err)
-  }
-  if (res.readable) {
-    res.pipe(process.stdout)
-  } else {
-    console.log(res)
+const run = async () => {
+  await ipfs.files.write(
+    '/temp/hello-world',
+    Buffer.from('Hello, world!'),
+    { create: true, parents: true }
+  )
+  const source = ipfs.files.ls('/temp')
+
+  for await (const file of source) {
+    console.log(file)
   }
-})
+}
+
+run()
diff --git a/examples/name-api/index.html b/examples/name-api/index.html
index 3e5fba013..54843d332 100644
--- a/examples/name-api/index.html
+++ b/examples/name-api/index.html
@@ -58,7 +58,6 @@ <h3>Resolve an IPNS name</h3>
       </p>
     </div>
 
-    <script src="https://unpkg.com/ipfs-http-client/dist/index.js"></script>
-    <script src="bundle.js"></script>
+    <script src="index.js"></script>
   </body>
 </html>
diff --git a/examples/name-api/index.js b/examples/name-api/index.js
index 931f5560e..b65c43fd3 100644
--- a/examples/name-api/index.js
+++ b/examples/name-api/index.js
@@ -1,6 +1,7 @@
+/* eslint-disable no-console */
 'use strict'
-
-const ipfs = window.IpfsHttpClient('/ip4/127.0.0.1/tcp/5001')
+const ipfsHttp = require('ipfs-http-client')
+const ipfs = ipfsHttp('/ip4/127.0.0.1/tcp/5001')
 
 const DOM = {
   status: document.getElementById('status'),
@@ -30,7 +31,7 @@ const showStatus = (text, bg) => {
 }
 
 const enableForms = () => {
-  for (let btn of DOM.buttons) {
+  for (const btn of DOM.buttons) {
     btn.disabled = false
   }
 }
@@ -48,31 +49,30 @@ const init = () => {
 }
 
 // Adds a new file to IPFS and publish it
-const addAndPublish = (e) => {
+const addAndPublish = async (e) => {
   e.preventDefault()
 
-  let input = e.target.elements['text']
-  let buffer = Buffer.from(input.value)
+  const input = e.target.elements.text
+  const buffer = Buffer.from(input.value)
 
   showStatus('adding to IPFS...', COLORS.active)
+  try {
+    for await (const file of ipfs.add(buffer)) {
+      showStatus('success!', COLORS.success)
 
-  ipfs.add(buffer)
-    .then(res => {
-      showStatus(`success!`, COLORS.success)
-
-      publish(res[0].path)
+      publish(file.path)
 
       input.value = ''
-    })
-    .catch(err => {
-      showStatus('failed to add the data', COLORS.error)
-      console.error(err)
-    })
+    }
+  } catch (err) {
+    showStatus('failed to add the data', COLORS.error)
+    console.error(err)
+  }
 }
 
 // Publishes an IPFS file or directory under your node's identity
 const publish = (path) => {
-  showStatus(`publishing...`, COLORS.active)
+  showStatus('publishing...', COLORS.active)
   DOM.publishResultsDiv.classList.add('hidden')
 
   ipfs.name.publish(path)
@@ -90,21 +90,20 @@ const publish = (path) => {
 }
 
 // Resolves an IPNS name
-const resolve = (name) => {
-  showStatus(`resolving...`, COLORS.active)
+const resolve = async (name) => {
+  showStatus('resolving...', COLORS.active)
   DOM.resolveResultsDiv.classList.add('hidden')
-
-  ipfs.name.resolve(name)
-    .then(path => {
+  try {
+    for await (const path of ipfs.name.resolve(name)) {
       showStatus('success!', COLORS.success)
       DOM.resolveResultsDiv.classList.remove('hidden')
       DOM.resolveResult.innerText = path
       DOM.resolveGatewayLink.href = `${IPFS_DOMAIN}${path}`
-    })
-    .catch(err => {
-      showStatus(`error resolving ${name}`, COLORS.error)
-      console.error(err)
-    })
+    }
+  } catch (err) {
+    showStatus(`error resolving ${name}`, COLORS.error)
+    console.error(err)
+  }
 }
 
 // Event listeners
@@ -112,14 +111,14 @@ DOM.publishNew.onsubmit = addAndPublish
 
 DOM.publishPath.onsubmit = (e) => {
   e.preventDefault()
-  let input = e.target.elements['path']
+  const input = e.target.elements.path
   publish(input.value)
   input.value = ''
 }
 
 DOM.resolveName.onsubmit = (e) => {
   e.preventDefault()
-  let input = e.target.elements['name']
+  const input = e.target.elements.name
   resolve(input.value)
   input.value = ''
 }
diff --git a/examples/name-api/package-lock.json b/examples/name-api/package-lock.json
index aed871bd3..f0484619d 100644
--- a/examples/name-api/package-lock.json
+++ b/examples/name-api/package-lock.json
@@ -4,1376 +4,24560 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "JSONStream": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.5.tgz",
-      "integrity": "sha512-E+iruNOY8VV9s4JEbe1aNEm6MiszPRr/UfcHMz0TQh1BXSxHK+ASV1R6W4HpjBhSeS+54PIsAMCBmwD06LLsqQ==",
-      "dev": true,
-      "requires": {
-        "jsonparse": "^1.2.0",
-        "through": ">=2.2.7 <3"
-      }
-    },
-    "acorn": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
-      "integrity": "sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==",
-      "dev": true
-    },
-    "acorn-dynamic-import": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz",
-      "integrity": "sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==",
-      "dev": true
-    },
-    "acorn-node": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.6.2.tgz",
-      "integrity": "sha512-rIhNEZuNI8ibQcL7ANm/mGyPukIaZsRNX9psFNQURyJW0nu6k8wjSDld20z6v2mDBWqX13pIEnk9gGZJHIlEXg==",
+    "@babel/code-frame": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+      "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
       "dev": true,
       "requires": {
-        "acorn": "^6.0.2",
-        "acorn-dynamic-import": "^4.0.0",
-        "acorn-walk": "^6.1.0",
-        "xtend": "^4.0.1"
+        "@babel/highlight": "^7.8.3"
       }
     },
-    "acorn-walk": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.1.1.tgz",
-      "integrity": "sha512-OtUw6JUTgxA2QoqqmrmQ7F2NYqiBPi/L2jqHyFtllhOUvXYQXf0Z1CYUinIfyT4bTCGmrA7gX9FvHA81uzCoVw==",
-      "dev": true
-    },
-    "array-filter": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
-      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
-      "dev": true
-    },
-    "array-map": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
-      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
-      "dev": true
-    },
-    "array-reduce": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
-      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
-      "dev": true
-    },
-    "asn1.js": {
-      "version": "4.10.1",
-      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
-      "integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
+    "@babel/compat-data": {
+      "version": "7.8.1",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.8.1.tgz",
+      "integrity": "sha512-Z+6ZOXvyOWYxJ50BwxzdhRnRsGST8Y3jaZgxYig575lTjVSs3KtJnmESwZegg6e2Dn0td1eDhoWlp1wI4BTCPw==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0"
+        "browserslist": "^4.8.2",
+        "invariant": "^2.2.4",
+        "semver": "^5.5.0"
       }
     },
-    "assert": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/assert/-/assert-1.4.1.tgz",
-      "integrity": "sha1-mZEtWRg2tab1s0XA8H7vwI/GXZE=",
+    "@babel/core": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.8.3.tgz",
+      "integrity": "sha512-4XFkf8AwyrEG7Ziu3L2L0Cv+WyY47Tcsp70JFmpftbAA1K7YL/sgE9jh9HyNj08Y/U50ItUchpN0w6HxAoX1rA==",
       "dev": true,
       "requires": {
-        "util": "0.10.3"
+        "@babel/code-frame": "^7.8.3",
+        "@babel/generator": "^7.8.3",
+        "@babel/helpers": "^7.8.3",
+        "@babel/parser": "^7.8.3",
+        "@babel/template": "^7.8.3",
+        "@babel/traverse": "^7.8.3",
+        "@babel/types": "^7.8.3",
+        "convert-source-map": "^1.7.0",
+        "debug": "^4.1.0",
+        "gensync": "^1.0.0-beta.1",
+        "json5": "^2.1.0",
+        "lodash": "^4.17.13",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
       },
       "dependencies": {
-        "inherits": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
-          "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
-          "dev": true
+        "convert-source-map": {
+          "version": "1.7.0",
+          "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.7.0.tgz",
+          "integrity": "sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.1"
+          }
         },
-        "util": {
-          "version": "0.10.3",
-          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
-          "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+        "json5": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.1.tgz",
+          "integrity": "sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==",
           "dev": true,
           "requires": {
-            "inherits": "2.0.1"
+            "minimist": "^1.2.0"
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+      "requires": {
+        "cliui": "^5.0.0",
+        "decamelize": "^1.2.0",
+        "find-up": "^3.0.0",
+        "get-caller-file": "^2.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^2.0.0",
+        "set-blocking": "^2.0.0",
+        "string-width": "^3.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^15.0.0"
+      }
+    },
+    "yargs-parser": {
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-15.0.0.tgz",
+      "integrity": "sha512-xLTUnCMc4JhxrPEPUYD5IBR1mWCK/aT6+RJ/K29JY2y1vD+FhtgKK0AXRWvI262q3QSffAQuTouFIKUuHX89wQ==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
+      }
     }
   }
 }
diff --git a/examples/name-api/package.json b/examples/name-api/package.json
index 697ffb68a..3929830dc 100644
--- a/examples/name-api/package.json
+++ b/examples/name-api/package.json
@@ -4,12 +4,17 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "start": "browserify index.js > bundle.js && http-server -a 127.0.0.1 -p 8888"
+    "start": "parcel index.html"
   },
   "author": "Tara Vancil <tbvanc@gmail.com>",
   "license": "MIT",
   "devDependencies": {
-    "browserify": "^16.2.3",
-    "http-server": "^0.11.1"
-  }
+    "parcel-bundler": "^1.12.4"
+  },
+  "dependencies": {
+    "ipfs-http-client": "../.."
+  },
+  "browserslist": [
+    "last 2 versions and not dead and > 2%"
+  ]
 }
diff --git a/examples/sub-module/package.json b/examples/sub-module/package.json
index 74d650390..1eb2bbf18 100644
--- a/examples/sub-module/package.json
+++ b/examples/sub-module/package.json
@@ -9,9 +9,9 @@
   "license": "MIT",
   "devDependencies": {
     "babel-core": "^6.25.0",
-    "babel-loader": "^7.1.0",
+    "babel-loader": "^8.0.5",
     "babel-preset-env": "^1.5.2",
     "babili": "~0.1.4",
-    "webpack": "^3.0.0"
+    "webpack": "~4.31.0"
   }
 }
diff --git a/examples/upload-file-via-browser/.eslintrc b/examples/upload-file-via-browser/.eslintrc
deleted file mode 100644
index 676feeeb1..000000000
--- a/examples/upload-file-via-browser/.eslintrc
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "extends": "standard",
-  "rules": {
-    "react/jsx-uses-react": 2,
-    "react/jsx-uses-vars": 2,
-    "react/react-in-jsx-scope": 2
-  },
-  "plugins": [
-    "react"
-  ]
-}
diff --git a/examples/upload-file-via-browser/.gitignore b/examples/upload-file-via-browser/.gitignore
index 44b50488c..c089921a3 100644
--- a/examples/upload-file-via-browser/.gitignore
+++ b/examples/upload-file-via-browser/.gitignore
@@ -2,3 +2,4 @@ node_modules
 npm-debug.log
 .DS_Store
 dist
+yarn.lock
\ No newline at end of file
diff --git a/examples/upload-file-via-browser/README.md b/examples/upload-file-via-browser/README.md
index ee0e04d1c..e05452b03 100644
--- a/examples/upload-file-via-browser/README.md
+++ b/examples/upload-file-via-browser/README.md
@@ -26,9 +26,6 @@ Once the daemon is on, run the following commands within this folder:
 > npm install
 > npm start
 ```
-
-Now open your browser at `http://localhost:3000`
-
 After uploading a file (left screen), and opening the uploaded file (right screen), you should see something like:
 
 > ![App Screenshot](https://github.com/ipfs/js-ipfs-http-client/raw/master/examples/upload-file-via-browser/screenshot.png)
diff --git a/examples/upload-file-via-browser/index.html b/examples/upload-file-via-browser/index.html
index c4d9c4902..172aecc6e 100644
--- a/examples/upload-file-via-browser/index.html
+++ b/examples/upload-file-via-browser/index.html
@@ -5,6 +5,6 @@
   <body>
     <div id='root'>
     </div>
-    <script src="/static/bundle.js"></script>
+    <script src="src/index.js"></script>
   </body>
 </html>
diff --git a/examples/upload-file-via-browser/package.json b/examples/upload-file-via-browser/package.json
index 24130b384..80b19a536 100644
--- a/examples/upload-file-via-browser/package.json
+++ b/examples/upload-file-via-browser/package.json
@@ -3,22 +3,22 @@
   "version": "1.0.0",
   "description": "Upload file to IPFS via browser using js-ipfs-http-client with Webpack",
   "scripts": {
-    "start": "node server.js"
+    "start": "parcel index.html"
   },
   "author": "Harlan T Wood <code@harlantwood.net>",
   "contributors": [
     "Victor Bjelkholm <victor@ipfs.io>"
   ],
   "license": "MIT",
+  "dependencies": {
+    "ipfs-http-client": "../.."
+  },
   "devDependencies": {
-    "babel-core": "~6.26.3",
-    "babel-loader": "~8.0.4",
-    "ipfs-http-client": "../../",
-    "pull-file-reader": "~1.0.2",
     "react": "~16.6.3",
     "react-dom": "~16.6.3",
-    "react-hot-loader": "~4.3.12",
-    "webpack": "~4.25.1",
-    "webpack-dev-server": "~3.1.10"
-  }
+    "parcel-bundler": "^1.12.4"
+  },
+  "browserslist": [
+    "last 2 versions and not dead and > 2%"
+  ]
 }
diff --git a/examples/upload-file-via-browser/server.js b/examples/upload-file-via-browser/server.js
deleted file mode 100644
index 6b476dcb0..000000000
--- a/examples/upload-file-via-browser/server.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict'
-let webpack = require('webpack')
-let WebpackDevServer = require('webpack-dev-server')
-let config = require('./webpack.config')
-
-new WebpackDevServer(webpack(config), {
-  publicPath: config.output.publicPath,
-  hot: true,
-  historyApiFallback: true
-}).listen(3000, 'localhost', function (err) {
-  if (err) throw new Error(err)
-  console.log('Listening at localhost:3000')
-})
diff --git a/examples/upload-file-via-browser/src/App.js b/examples/upload-file-via-browser/src/App.js
index 77f5b43d2..16e48ef43 100644
--- a/examples/upload-file-via-browser/src/App.js
+++ b/examples/upload-file-via-browser/src/App.js
@@ -1,17 +1,15 @@
+/* eslint-disable no-console */
 'use strict'
 const React = require('react')
 const ipfsClient = require('ipfs-http-client')
 
-// create a stream from a file, which enables uploads of big files without allocating memory twice
-const fileReaderPullStream = require('pull-file-reader')
-
 class App extends React.Component {
   constructor () {
     super()
     this.state = {
       added_file_hash: null
     }
-    this.ipfs = ipfsClient('localhost', '5001')
+    this.ipfs = ipfsClient('/ip4/127.0.0.1/tcp/5001')
 
     // bind methods
     this.captureFile = this.captureFile.bind(this)
@@ -22,53 +20,54 @@ class App extends React.Component {
   captureFile (event) {
     event.stopPropagation()
     event.preventDefault()
-    const file = event.target.files[0]
     if (document.getElementById('keepFilename').checked) {
-      this.saveToIpfsWithFilename(file)
+      this.saveToIpfsWithFilename(event.target.files)
     } else {
-      this.saveToIpfs(file)
+      this.saveToIpfs(event.target.files)
     }
   }
 
   // Example #1
   // Add file to IPFS and return a CID
-  saveToIpfs (file) {
-    let ipfsId
-    const fileStream = fileReaderPullStream(file)
-    this.ipfs.add(fileStream, { progress: (prog) => console.log(`received: ${prog}`) })
-      .then((response) => {
-        console.log(response)
-        ipfsId = response[0].hash
-        console.log(ipfsId)
-        this.setState({added_file_hash: ipfsId})
-      }).catch((err) => {
-        console.error(err)
-      })
+  async saveToIpfs (files) {
+    const source = this.ipfs.add(
+      [...files],
+      {
+        progress: (prog) => console.log(`received: ${prog}`)
+      }
+    )
+    try {
+      for await (const file of source) {
+        console.log(file)
+        this.setState({ added_file_hash: file.path })
+      }
+    } catch (err) {
+      console.error(err)
+    }
   }
 
   // Example #2
   // Add file to IPFS and wrap it in a directory to keep the original filename
-  saveToIpfsWithFilename (file) {
-    let ipfsId
-    const fileStream = fileReaderPullStream(file)
+  async saveToIpfsWithFilename (files) {
+    const file = [...files][0]
     const fileDetails = {
       path: file.name,
-      content: fileStream
+      content: file
     }
     const options = {
       wrapWithDirectory: true,
       progress: (prog) => console.log(`received: ${prog}`)
     }
-    this.ipfs.add(fileDetails, options)
-      .then((response) => {
-        console.log(response)
-        // CID of wrapping directory is returned last
-        ipfsId = response[response.length - 1].hash
-        console.log(ipfsId)
-        this.setState({added_file_hash: ipfsId})
-      }).catch((err) => {
-        console.error(err)
-      })
+
+    const source = this.ipfs.add(fileDetails, options)
+    try {
+      for await (const file of source) {
+        console.log(file)
+        this.setState({ added_file_hash: file.cid.toString() })
+      }
+    } catch (err) {
+      console.error(err)
+    }
   }
 
   handleSubmit (event) {
diff --git a/examples/upload-file-via-browser/src/index.js b/examples/upload-file-via-browser/src/index.js
index 6d9d7badf..2bd77c1df 100644
--- a/examples/upload-file-via-browser/src/index.js
+++ b/examples/upload-file-via-browser/src/index.js
@@ -1,3 +1,4 @@
+/* eslint-disable no-unused-vars */
 'use strict'
 const React = require('react')
 const ReactDOM = require('react-dom')
diff --git a/examples/upload-file-via-browser/webpack.config.js b/examples/upload-file-via-browser/webpack.config.js
deleted file mode 100644
index 6dfc86d24..000000000
--- a/examples/upload-file-via-browser/webpack.config.js
+++ /dev/null
@@ -1,44 +0,0 @@
-'use strict'
-
-const path = require('path')
-const webpack = require('webpack')
-
-module.exports = {
-  mode: 'development',
-  devtool: 'eval',
-  entry: [
-    'webpack-dev-server/client?http://localhost:3000',
-    'webpack/hot/only-dev-server',
-    './src/index'
-  ],
-  output: {
-    path: path.join(__dirname, 'dist'),
-    filename: 'bundle.js',
-    publicPath: '/static/'
-  },
-  plugins: [
-    new webpack.HotModuleReplacementPlugin()
-  ],
-  module: {
-    rules: [
-      {
-        test: /\.js$/,
-        include: path.join(__dirname, 'src'),
-        use: [
-          {
-            loader: 'babel-loader',
-            options: {
-              presets: ['@babel/preset-env', '@babel/preset-react'],
-              plugins: ['react-hot-loader/babel']
-            }
-          }
-        ]
-      }
-    ]
-  },
-  node: {
-    fs: 'empty',
-    net: 'empty',
-    tls: 'empty'
-  }
-}
diff --git a/greenkeeper.json b/greenkeeper.json
new file mode 100644
index 000000000..2d593daf5
--- /dev/null
+++ b/greenkeeper.json
@@ -0,0 +1,9 @@
+{
+  "groups": {
+    "default": {
+      "packages": [
+        "package.json"
+      ]
+    }
+  }
+}
diff --git a/maintainer.json b/maintainer.json
new file mode 100644
index 000000000..7fc0aa142
--- /dev/null
+++ b/maintainer.json
@@ -0,0 +1,11 @@
+{
+  "repoLeadMaintainer": {
+    "name": "Alan Shaw",
+    "email": "alan.shaw@protocol.ai",
+    "username": "alanshaw"
+  },
+  "workingGroup": {
+    "name": "JS IPFS",
+    "entryPoint": "https://github.com/ipfs/js-core"
+  }
+}
diff --git a/package.json b/package.json
index 7bc2ebe73..a7a635e9a 100644
--- a/package.json
+++ b/package.json
@@ -1,19 +1,34 @@
 {
   "name": "ipfs-http-client",
-  "version": "30.1.2",
+  "version": "42.0.0",
   "description": "A client library for the IPFS HTTP API",
+  "keywords": [
+    "ipfs"
+  ],
+  "homepage": "https://github.com/ipfs/js-ipfs-http-client",
+  "bugs": "https://github.com/ipfs/js-ipfs-http-client/issues",
+  "license": "(Apache-2.0 OR MIT)",
   "leadMaintainer": "Alan Shaw <alan@tableflip.io>",
+  "files": [
+    "src",
+    "dist"
+  ],
   "main": "src/index.js",
   "browser": {
-    "glob": false,
-    "fs": false,
-    "stream": "readable-stream"
+    "./src/add/form-data.js": "./src/add/form-data.browser.js",
+    "./src/lib/buffer-to-form-data.js": "./src/lib/buffer-to-form-data.browser.js",
+    "ipfs-utils/src/files/glob-source": false
   },
+  "repository": "github:ipfs/js-ipfs-http-client",
   "scripts": {
     "test": "aegir test",
     "test:node": "aegir test -t node",
     "test:browser": "aegir test -t browser",
     "test:webworker": "aegir test -t webworker",
+    "test:electron-main": "aegir test -t electron-main",
+    "test:electron-renderer": "aegir test -t electron-renderer",
+    "test:chrome": "aegir test -t browser -t webworker -- --browsers ChromeHeadless",
+    "test:firefox": "aegir test -t browser -t webworker -- --browsers FirefoxHeadless",
     "lint": "aegir lint",
     "build": "aegir build",
     "release": "aegir release ",
@@ -22,72 +37,48 @@
     "coverage": "npx nyc -r html npm run test:node -- --bail"
   },
   "dependencies": {
-    "async": "^2.6.1",
-    "bignumber.js": "^8.0.2",
-    "bl": "^3.0.0",
+    "abort-controller": "^3.0.0",
+    "bignumber.js": "^9.0.0",
     "bs58": "^4.0.1",
-    "cids": "~0.5.5",
-    "concat-stream": "hugomrdias/concat-stream#feat/smaller",
+    "buffer": "^5.4.2",
+    "cids": "~0.7.1",
     "debug": "^4.1.0",
-    "detect-node": "^2.0.4",
-    "end-of-stream": "^1.4.1",
-    "err-code": "^1.1.2",
-    "flatmap": "0.0.3",
-    "glob": "^7.1.3",
-    "ipfs-block": "~0.8.0",
-    "ipld-dag-cbor": "~0.13.1",
-    "ipld-dag-pb": "~0.15.3",
-    "is-ipfs": "~0.6.0",
-    "is-pull-stream": "0.0.0",
-    "is-stream": "^1.1.0",
-    "iso-stream-http": "~0.1.2",
-    "iso-url": "~0.4.6",
-    "just-kebab-case": "^1.1.0",
-    "just-map-keys": "^1.1.0",
-    "lru-cache": "^5.1.1",
-    "multiaddr": "^6.0.6",
+    "form-data": "^3.0.0",
+    "ipfs-block": "~0.8.1",
+    "ipfs-utils": "^0.7.1",
+    "ipld-dag-cbor": "^0.15.1",
+    "ipld-dag-pb": "^0.18.2",
+    "ipld-raw": "^4.0.1",
+    "it-tar": "^1.1.1",
+    "it-to-stream": "^0.1.1",
+    "iterable-ndjson": "^1.1.0",
+    "ky": "^0.15.0",
+    "ky-universal": "^0.3.0",
+    "merge-options": "^2.0.0",
+    "multiaddr": "^7.2.1",
+    "multiaddr-to-uri": "^5.1.0",
     "multibase": "~0.6.0",
-    "multicodec": "~0.5.0",
+    "multicodec": "^1.0.0",
     "multihashes": "~0.4.14",
-    "ndjson": "hugomrdias/ndjson#feat/readable-stream3",
-    "once": "^1.4.0",
-    "peer-id": "~0.12.2",
-    "peer-info": "~0.15.1",
-    "promisify-es6": "^1.0.3",
-    "pull-defer": "~0.2.3",
-    "pull-stream": "^3.6.9",
-    "pull-to-stream": "~0.1.0",
-    "pump": "^3.0.0",
-    "qs": "^6.5.2",
-    "readable-stream": "^3.1.1",
-    "stream-to-pull-stream": "^1.7.2",
-    "tar-stream": "^2.0.1",
-    "through2": "^3.0.1"
-  },
-  "engines": {
-    "node": ">=10.0.0",
-    "npm": ">=3.0.0"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/ipfs/js-ipfs-http-client"
+    "parse-duration": "^0.1.1",
+    "stream-to-it": "^0.2.0"
   },
   "devDependencies": {
-    "aegir": "^18.2.1",
+    "aegir": "^20.4.1",
+    "async": "^3.1.0",
     "browser-process-platform": "~0.1.1",
-    "chai": "^4.2.0",
-    "cross-env": "^5.2.0",
-    "dirty-chai": "^2.0.1",
-    "eslint-plugin-react": "^7.11.1",
-    "go-ipfs-dep": "~0.4.19",
-    "interface-ipfs-core": "~0.99.0",
-    "ipfsd-ctl": "~0.42.0",
-    "nock": "^10.0.2",
-    "stream-equal": "^1.1.1"
+    "go-ipfs-dep": "^0.4.23-3",
+    "interface-ipfs-core": "^0.131.7",
+    "ipfsd-ctl": "^3.0.0",
+    "it-all": "^1.0.1",
+    "it-concat": "^1.0.0",
+    "it-pipe": "^1.1.0",
+    "nock": "^11.7.2"
+  },
+  "engines": {
+    "node": ">=10.3.0",
+    "npm": ">=3.0.0"
   },
-  "keywords": [
-    "ipfs"
-  ],
   "contributors": [
     "Alan Shaw <alan.shaw@protocol.ai>",
     "Alan Shaw <alan@tableflip.io>",
@@ -97,9 +88,11 @@
     "Bruno Barbieri <bbarbieri@delivery.com>",
     "Clemo <flipflopsimsommer@users.noreply.github.com>",
     "Connor Keenan <ckeenan89@gmail.com>",
+    "Daniel Constantin <hello@danielconstantin.net>",
     "Danny <dannyid@protonmail.com>",
     "David Braun <David.Braun@Toptal.com>",
     "David Dias <daviddias.p@gmail.com>",
+    "Dietrich Ayala <autonome@gmail.com>",
     "Diogo Silva <fsdiogo@gmail.com>",
     "Dmitriy Ryajov <dryajov@gmail.com>",
     "Dmitry Nikulin <dmitr-nikulin@mail.ru>",
@@ -110,12 +103,14 @@
     "Friedel Ziegelmayer <dignifiedquire@gmail.com>",
     "Gar <gar+gh@danger.computer>",
     "Gavin McDermott <gavinmcdermott@gmail.com>",
+    "Gopalakrishna Palem <KrishnaPG@users.noreply.github.com>",
     "Greenkeeper <support@greenkeeper.io>",
     "Haad <haadcode@users.noreply.github.com>",
     "Harlan T Wood <harlantwood@users.noreply.github.com>",
     "Harlan T Wood <code@harlantwood.net>",
     "Henrique Dias <hacdias@gmail.com>",
     "Holodisc <holodiscent@gmail.com>",
+    "Hugo Dias <hugomrdias@gmail.com>",
     "Hugo Dias <mail@hugodias.me>",
     "JGAntunes <j.goncalo.antunes@gmail.com>",
     "Jacob Heun <jacobheun@gmail.com>",
@@ -125,6 +120,7 @@
     "Jeff Downie <JeffDownie@users.noreply.github.com>",
     "Jeromy <why@ipfs.io>",
     "Jeromy <jeromyj@gmail.com>",
+    "Jim Pick <jim@protocol.ai>",
     "Joe Turgeon <arithmetric@gmail.com>",
     "Jonathan <jkrone@vt.edu>",
     "Juan Batiz-Benet <juan@benet.ai>",
@@ -132,7 +128,10 @@
     "Kristoffer Ström <kristoffer@rymdkoloni.se>",
     "Marcin Rataj <lidel@lidel.org>",
     "Matt Bell <mappum@gmail.com>",
+    "Matt Ober <matt.ober3@gmail.com>",
     "Maxime Lathuilière <k@maxlath.eu>",
+    "Michael Bradley <michaelsbradleyjr@gmail.com>",
+    "Michael Muré <michael.mure@consensys.net>",
     "Michael Muré <batolettre@gmail.com>",
     "Mikeal Rogers <mikeal.rogers@gmail.com>",
     "Mitar <mitar.git@tnode.com>",
@@ -143,6 +142,9 @@
     "Níckolas Goline <nickolas.goline@gmail.com>",
     "Oli Evans <oli@tableflip.io>",
     "Orie Steele <orie@ohs.io>",
+    "Paul Cowgill <pauldavidcowgill@gmail.com>",
+    "Pedro Santos <pedro.santos@moxy.studio>",
+    "Pedro Santos <pedromiguelsousasantos@hotmail.com>",
     "Pedro Teixeira <i@pgte.me>",
     "Pete Thomas <pete@xminusone.net>",
     "Richard Littauer <richard.littauer@gmail.com>",
@@ -151,6 +153,7 @@
     "SeungWon <ksw3894@gmail.com>",
     "Stephen Whitmore <stephen.whitmore@gmail.com>",
     "Tara Vancil <tbvanc@gmail.com>",
+    "Teri Chadbourne <terichadbourne@users.noreply.github.com>",
     "Travis Person <travis@protocol.ai>",
     "Travis Person <travis.person@gmail.com>",
     "Vasco Santos <vasco.santos@ua.pt>",
@@ -158,24 +161,24 @@
     "Victor Bjelkholm <victor@typeform.com>",
     "Volker Mische <volker.mische@gmail.com>",
     "Zhiyuan Lin <edsgerlin@gmail.com>",
+    "dirkmc <dirkmdev@gmail.com>",
     "dmitriy ryajov <dryajov@dmitriys-MacBook-Pro.local>",
     "elsehow <yes@cosmopol.is>",
     "ethers <ethereum@outlook.com>",
+    "greenkeeper[bot] <23040076+greenkeeper[bot]@users.noreply.github.com>",
+    "greenkeeper[bot] <greenkeeper[bot]@users.noreply.github.com>",
     "haad <haad@headbanggames.com>",
     "kumavis <kumavis@users.noreply.github.com>",
     "leekt216 <leekt216@gmail.com>",
     "nginnever <ginneversource@gmail.com>",
     "noah the goodra <peterpan0413@live.com>",
+    "phillmac <phillmac@users.noreply.github.com>",
     "priecint <tp-dev@seznam.cz>",
     "samuli <samuli@nugg.ad>",
+    "sarthak khandelwal <sarthak0906@gmail.com>",
     "shunkin <hiyoko.san.ipod@gmail.com>",
     "victorbjelkholm <victorbjelkholm@gmail.com>",
     "Łukasz Magiera <magik6k@users.noreply.github.com>",
     "Łukasz Magiera <magik6k@gmail.com>"
-  ],
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/ipfs/js-ipfs-http-client/issues"
-  },
-  "homepage": "https://github.com/ipfs/js-ipfs-http-client"
+  ]
 }
diff --git a/src/add/form-data.browser.js b/src/add/form-data.browser.js
new file mode 100644
index 000000000..484f67c6c
--- /dev/null
+++ b/src/add/form-data.browser.js
@@ -0,0 +1,50 @@
+'use strict'
+/* eslint-env browser */
+
+const normaliseInput = require('ipfs-utils/src/files/normalise-input')
+const mtimeToObject = require('../lib/mtime-to-object')
+
+exports.toFormData = async input => {
+  const files = normaliseInput(input)
+  const formData = new FormData()
+  let i = 0
+
+  for await (const file of files) {
+    const headers = {}
+
+    if (file.mtime !== undefined && file.mtime !== null) {
+      const mtime = mtimeToObject(file.mtime)
+
+      if (mtime) {
+        headers.mtime = mtime.secs
+        headers['mtime-nsecs'] = mtime.nsecs
+      }
+    }
+
+    if (file.mode !== undefined && file.mode !== null) {
+      headers.mode = file.mode.toString(8).padStart(4, '0')
+    }
+
+    if (file.content) {
+      // In the browser there's _currently_ no streaming upload, buffer up our
+      // async iterator chunks and append a big Blob :(
+      // One day, this will be browser streams
+      const bufs = []
+      for await (const chunk of file.content) {
+        bufs.push(chunk)
+      }
+
+      formData.append(`file-${i}`, new Blob(bufs, { type: 'application/octet-stream' }), encodeURIComponent(file.path), {
+        header: headers
+      })
+    } else {
+      formData.append(`dir-${i}`, new Blob([], { type: 'application/x-directory' }), encodeURIComponent(file.path), {
+        header: headers
+      })
+    }
+
+    i++
+  }
+
+  return formData
+}
diff --git a/src/add/form-data.js b/src/add/form-data.js
new file mode 100644
index 000000000..1ce5050da
--- /dev/null
+++ b/src/add/form-data.js
@@ -0,0 +1,68 @@
+'use strict'
+
+const FormData = require('form-data')
+const { Buffer } = require('buffer')
+const toStream = require('it-to-stream')
+const normaliseInput = require('ipfs-utils/src/files/normalise-input')
+const { isElectronRenderer } = require('ipfs-utils/src/env')
+const mtimeToObject = require('../lib/mtime-to-object')
+
+exports.toFormData = async input => {
+  const files = normaliseInput(input)
+  const formData = new FormData()
+  let i = 0
+
+  for await (const file of files) {
+    const headers = {}
+
+    if (file.mtime !== undefined && file.mtime !== null) {
+      const mtime = mtimeToObject(file.mtime)
+
+      if (mtime) {
+        headers.mtime = mtime.secs
+        headers['mtime-nsecs'] = mtime.nsecs
+      }
+    }
+
+    if (file.mode !== undefined && file.mode !== null) {
+      headers.mode = file.mode.toString(8).padStart(4, '0')
+    }
+
+    if (file.content) {
+      // In Node.js, FormData can be passed a stream so no need to buffer
+      formData.append(
+        `file-${i}`,
+        // FIXME: add a `path` property to the stream so `form-data` doesn't set
+        // a Content-Length header that is only the sum of the size of the
+        // header/footer when knownLength option (below) is null.
+        Object.assign(
+          toStream.readable(file.content),
+          { path: file.path || `file-${i}` }
+        ),
+        {
+          filepath: encodeURIComponent(file.path),
+          contentType: 'application/octet-stream',
+          knownLength: file.content.length, // Send Content-Length header if known
+          header: headers
+        }
+      )
+    } else {
+      formData.append(`dir-${i}`, Buffer.alloc(0), {
+        filepath: encodeURIComponent(file.path),
+        contentType: 'application/x-directory',
+        header: headers
+      })
+    }
+
+    i++
+  }
+
+  return formData
+}
+
+// TODO remove this when upstream fix for ky-universal is merged
+// https://github.com/sindresorhus/ky-universal/issues/9
+// also this should only be necessary when nodeIntegration is false in electron renderer
+if (isElectronRenderer) {
+  exports.toFormData = require('./form-data.browser').toFormData
+}
diff --git a/src/add/index.js b/src/add/index.js
new file mode 100644
index 000000000..cd162c2f9
--- /dev/null
+++ b/src/add/index.js
@@ -0,0 +1,75 @@
+'use strict'
+
+const ndjson = require('iterable-ndjson')
+const CID = require('cids')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+const { toFormData } = require('./form-data')
+const toCamel = require('../lib/object-to-camel')
+
+module.exports = configure(({ ky }) => {
+  return async function * add (input, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+
+    searchParams.set('stream-channels', true)
+    if (options.chunker) searchParams.set('chunker', options.chunker)
+    if (options.cidVersion) searchParams.set('cid-version', options.cidVersion)
+    if (options.cidBase) searchParams.set('cid-base', options.cidBase)
+    if (options.enableShardingExperiment != null) searchParams.set('enable-sharding-experiment', options.enableShardingExperiment)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.onlyHash != null) searchParams.set('only-hash', options.onlyHash)
+    if (options.pin != null) searchParams.set('pin', options.pin)
+    if (options.progress) searchParams.set('progress', true)
+    if (options.quiet != null) searchParams.set('quiet', options.quiet)
+    if (options.quieter != null) searchParams.set('quieter', options.quieter)
+    if (options.rawLeaves != null) searchParams.set('raw-leaves', options.rawLeaves)
+    if (options.shardSplitThreshold) searchParams.set('shard-split-threshold', options.shardSplitThreshold)
+    if (options.silent) searchParams.set('silent', options.silent)
+    if (options.trickle != null) searchParams.set('trickle', options.trickle)
+    if (options.wrapWithDirectory != null) searchParams.set('wrap-with-directory', options.wrapWithDirectory)
+    if (options.preload != null) searchParams.set('preload', options.preload)
+    if (options.fileImportConcurrency != null) searchParams.set('file-import-concurrency', options.fileImportConcurrency)
+    if (options.blockWriteConcurrency != null) searchParams.set('block-write-concurrency', options.blockWriteConcurrency)
+
+    const res = await ky.post('add', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams,
+      body: await toFormData(input)
+    })
+
+    for await (let file of ndjson(toIterable(res.body))) {
+      file = toCamel(file)
+
+      if (options.progress && file.bytes) {
+        options.progress(file.bytes)
+      } else {
+        yield toCoreInterface(file)
+      }
+    }
+  }
+})
+
+function toCoreInterface ({ name, hash, size, mode, mtime, mtimeNsecs }) {
+  const output = {
+    path: name,
+    cid: new CID(hash),
+    size: parseInt(size)
+  }
+
+  if (mode != null) {
+    output.mode = parseInt(mode, 8)
+  }
+
+  if (mtime != null) {
+    output.mtime = {
+      secs: mtime,
+      nsecs: mtimeNsecs || 0
+    }
+  }
+
+  return output
+}
diff --git a/src/bitswap/index.js b/src/bitswap/index.js
index 62f9fb58a..5c8354498 100644
--- a/src/bitswap/index.js
+++ b/src/bitswap/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    wantlist: require('./wantlist')(send),
-    stat: require('./stat')(send),
-    unwant: require('./unwant')(send)
-  }
-}
+module.exports = config => ({
+  wantlist: require('./wantlist')(config),
+  stat: require('./stat')(config),
+  unwant: require('./unwant')(config)
+})
diff --git a/src/bitswap/stat.js b/src/bitswap/stat.js
index f0770d47d..36101a1f4 100644
--- a/src/bitswap/stat.js
+++ b/src/bitswap/stat.js
@@ -1,26 +1,34 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 const Big = require('bignumber.js')
+const CID = require('cids')
 
-const transform = function (res, callback) {
-  callback(null, {
+module.exports = configure(({ ky }) => {
+  return async (options) => {
+    options = options || {}
+
+    const res = await ky.post('bitswap/stat', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+
+    return toCoreInterface(res)
+  }
+})
+
+function toCoreInterface (res) {
+  return {
     provideBufLen: res.ProvideBufLen,
-    wantlist: res.Wantlist || [],
-    peers: res.Peers || [],
+    wantlist: (res.Wantlist || []).map(k => new CID(k['/'])),
+    peers: (res.Peers || []),
     blocksReceived: new Big(res.BlocksReceived),
     dataReceived: new Big(res.DataReceived),
     blocksSent: new Big(res.BlocksSent),
     dataSent: new Big(res.DataSent),
     dupBlksReceived: new Big(res.DupBlksReceived),
     dupDataReceived: new Big(res.DupDataReceived)
-  })
-}
-
-module.exports = (send) => {
-  return promisify((callback) => {
-    send.andTransform({
-      path: 'bitswap/stat'
-    }, transform, callback)
-  })
+  }
 }
diff --git a/src/bitswap/unwant.js b/src/bitswap/unwant.js
index 865fbc27b..a66653d69 100644
--- a/src/bitswap/unwant.js
+++ b/src/bitswap/unwant.js
@@ -1,25 +1,27 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const CID = require('cids')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((cid, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async (cid, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
 
-    try {
-      cid = new CID(cid)
-    } catch (err) {
-      return callback(err)
+    if (typeof cid === 'string') {
+      searchParams.set('arg', cid)
+    } else {
+      searchParams.set('arg', new CID(cid).toString())
     }
 
-    send({
-      path: 'bitswap/unwant',
-      args: cid.toBaseEncodedString(),
-      qs: opts
-    }, callback)
-  })
-}
+    const res = await ky.post('bitswap/unwant', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return res
+  }
+})
diff --git a/src/bitswap/wantlist.js b/src/bitswap/wantlist.js
index 6cd1e3868..d917d6747 100644
--- a/src/bitswap/wantlist.js
+++ b/src/bitswap/wantlist.js
@@ -1,30 +1,29 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const CID = require('cids')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((peerId, opts, callback) => {
-    if (typeof (peerId) === 'function') {
-      callback = peerId
-      opts = {}
-      peerId = null
-    } else if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async (peerId, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
 
     if (peerId) {
-      try {
-        opts.peer = new CID(peerId).toBaseEncodedString()
-      } catch (err) {
-        return callback(err)
+      if (typeof peerId === 'string') {
+        searchParams.set('peer', peerId)
+      } else {
+        searchParams.set('peer', new CID(peerId).toString())
       }
     }
 
-    send({
-      path: 'bitswap/wantlist',
-      qs: opts
-    }, callback)
-  })
-}
+    const res = await ky.post('bitswap/wantlist', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return (res.Keys || []).map(k => new CID(k['/']))
+  }
+})
diff --git a/src/block/get.js b/src/block/get.js
index 327b9e7ff..b53b38f64 100644
--- a/src/block/get.js
+++ b/src/block/get.js
@@ -1,62 +1,25 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const Block = require('ipfs-block')
 const CID = require('cids')
-const streamToValue = require('../utils/stream-to-value')
+const { Buffer } = require('buffer')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async (cid, options) => {
+    cid = new CID(cid)
+    options = options || {}
 
-    // TODO this needs to be adjusted with the new go-ipfs http-api
-    let cid
-    try {
-      if (CID.isCID(args)) {
-        cid = args
-        args = cid.toBaseEncodedString()
-      } else if (Buffer.isBuffer(args)) {
-        cid = new CID(args)
-        args = cid.toBaseEncodedString()
-      } else if (typeof args === 'string') {
-        cid = new CID(args)
-      } else {
-        return callback(new Error('invalid argument'))
-      }
-    } catch (err) {
-      return callback(err)
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${cid}`)
 
-    // Transform the response from Buffer or a Stream to a Block
-    const transform = (res, callback) => {
-      if (Buffer.isBuffer(res)) {
-        callback(null, new Block(res, cid))
-      // For empty blocks, concat-stream can't infer the encoding so we are
-      // passed back an empty array
-      } else if (Array.isArray(res) && res.length === 0) {
-        callback(null, new Block(Buffer.alloc(0), cid))
-      } else {
-        streamToValue(res, (err, data) => {
-          if (err) {
-            return callback(err)
-          }
-          // For empty blocks, concat-stream can't infer the encoding so we are
-          // passed back an empty array
-          if (!data.length) data = Buffer.alloc(0)
-          callback(null, new Block(data, cid))
-        })
-      }
-    }
+    const data = await ky.post('block/get', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).arrayBuffer()
 
-    const request = {
-      path: 'block/get',
-      args: args,
-      qs: opts
-    }
-
-    send.andTransform(request, transform, callback)
-  })
-}
+    return new Block(Buffer.from(data), cid)
+  }
+})
diff --git a/src/block/index.js b/src/block/index.js
index f346aa454..f25c73366 100644
--- a/src/block/index.js
+++ b/src/block/index.js
@@ -1,13 +1,8 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    get: require('./get')(send),
-    stat: require('./stat')(send),
-    put: require('./put')(send)
-  }
-}
+module.exports = config => ({
+  get: require('./get')(config),
+  stat: require('./stat')(config),
+  put: require('./put')(config),
+  rm: require('./rm')(config)
+})
diff --git a/src/block/put.js b/src/block/put.js
index 03f6824db..39e3b6f1a 100644
--- a/src/block/put.js
+++ b/src/block/put.js
@@ -1,74 +1,68 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const Block = require('ipfs-block')
 const CID = require('cids')
 const multihash = require('multihashes')
-const SendOneFile = require('../utils/send-one-file')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'block/put')
-
-  return promisify((block, options, callback) => {
-    if (typeof options === 'function') {
-      callback = options
-      options = {}
-    }
+const configure = require('../lib/configure')
+const toFormData = require('../lib/buffer-to-form-data')
 
+module.exports = configure(({ ky }) => {
+  async function put (data, options) {
     options = options || {}
 
-    if (Array.isArray(block)) {
-      return callback(new Error('block.put accepts only one block'))
-    }
-
-    if (Buffer.isBuffer(block)) {
-      block = { data: block }
-    }
-
-    if (!block || !block.data) {
-      return callback(new Error('invalid block arg'))
+    if (Block.isBlock(data)) {
+      const { name, length } = multihash.decode(data.cid.multihash)
+      options = {
+        ...options,
+        format: data.cid.codec,
+        mhtype: name,
+        mhlen: length,
+        version: data.cid.version
+      }
+      data = data.data
+    } else if (options.cid) {
+      const cid = new CID(options.cid)
+      const { name, length } = multihash.decode(cid.multihash)
+      options = {
+        ...options,
+        format: cid.codec,
+        mhtype: name,
+        mhlen: length,
+        version: cid.version
+      }
+      delete options.cid
     }
 
-    const qs = {}
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.format) searchParams.set('format', options.format)
+    if (options.mhtype) searchParams.set('mhtype', options.mhtype)
+    if (options.mhlen) searchParams.set('mhlen', options.mhlen)
+    if (options.pin != null) searchParams.set('pin', options.pin)
+    if (options.version != null) searchParams.set('version', options.version)
 
-    if (block.cid || options.cid) {
-      let cid
-
-      try {
-        cid = new CID(block.cid || options.cid)
-      } catch (err) {
-        return callback(err)
+    let res
+    try {
+      res = await ky.post('block/put', {
+        timeout: options.timeout,
+        signal: options.signal,
+        headers: options.headers,
+        searchParams,
+        body: toFormData(data)
+      }).json()
+    } catch (err) {
+      // Retry with "protobuf"/"cbor" format for go-ipfs
+      // TODO: remove when https://github.com/ipfs/go-cid/issues/75 resolved
+      if (options.format === 'dag-pb') {
+        return put(data, { ...options, format: 'protobuf' })
+      } else if (options.format === 'dag-cbor') {
+        return put(data, { ...options, format: 'cbor' })
       }
 
-      const { name, length } = multihash.decode(cid.multihash)
-
-      qs.format = cid.codec
-      qs.mhtype = name
-      qs.mhlen = length
-      qs.version = cid.version
-    } else {
-      if (options.format) qs.format = options.format
-      if (options.mhtype) qs.mhtype = options.mhtype
-      if (options.mhlen) qs.mhlen = options.mhlen
-      if (options.version != null) qs.version = options.version
+      throw err
     }
 
-    sendOneFile(block.data, { qs }, (err, result) => {
-      if (err) {
-        // Retry with "protobuf"/"cbor" format for go-ipfs
-        // TODO: remove when https://github.com/ipfs/go-cid/issues/75 resolved
-        if (qs.format === 'dag-pb' || qs.format === 'dag-cbor') {
-          qs.format = qs.format === 'dag-pb' ? 'protobuf' : 'cbor'
-          return sendOneFile(block.data, { qs }, (err, result) => {
-            if (err) return callback(err)
-            callback(null, new Block(block.data, new CID(result.Key)))
-          })
-        }
-
-        return callback(err)
-      }
+    return new Block(data, new CID(res.Key))
+  }
 
-      callback(null, new Block(block.data, new CID(result.Key)))
-    })
-  })
-}
+  return put
+})
diff --git a/src/block/rm.js b/src/block/rm.js
new file mode 100644
index 000000000..f8fc8c103
--- /dev/null
+++ b/src/block/rm.js
@@ -0,0 +1,48 @@
+'use strict'
+
+const CID = require('cids')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+
+module.exports = configure(({ ky }) => {
+  return async function * rm (cid, options) {
+    options = options || {}
+
+    if (!Array.isArray(cid)) {
+      cid = [cid]
+    }
+
+    const searchParams = new URLSearchParams()
+    searchParams.set('stream-channels', true)
+    searchParams.set('force', options.force || false)
+    searchParams.set('quiet', options.quiet || false)
+
+    cid.forEach(cid => {
+      searchParams.append('arg', new CID(cid).toString())
+    })
+
+    const res = await ky.post('block/rm', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const removed of ndjson(toIterable(res.body))) {
+      yield toCoreInterface(removed)
+    }
+  }
+})
+
+function toCoreInterface (removed) {
+  const out = {
+    cid: new CID(removed.Hash)
+  }
+
+  if (removed.Error) {
+    out.error = new Error(removed.Error)
+  }
+
+  return out
+}
diff --git a/src/block/stat.js b/src/block/stat.js
index 9d44ac9f8..24b4256fc 100644
--- a/src/block/stat.js
+++ b/src/block/stat.js
@@ -1,35 +1,27 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const CID = require('cids')
-const multihash = require('multihashes')
+const { Buffer } = require('buffer')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    // TODO this needs to be adjusted with the new go-ipfs http-api
-    if (args && CID.isCID(args)) {
-      args = multihash.toB58String(args.multihash)
-    }
+module.exports = configure(({ ky }) => {
+  return async (cid, options) => {
+    options = options || {}
 
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
+    if (Buffer.isBuffer(cid)) {
+      cid = new CID(cid)
     }
 
-    const request = {
-      path: 'block/stat',
-      args: args,
-      qs: opts
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${cid}`)
 
-    // Transform the response from { Key, Size } objects to { key, size } objects
-    const transform = (stats, callback) => {
-      callback(null, {
-        key: stats.Key,
-        size: stats.Size
-      })
-    }
+    const res = await ky.post('block/stat', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
 
-    send.andTransform(request, transform, callback)
-  })
-}
+    return { cid: new CID(res.Key), size: res.Size }
+  }
+})
diff --git a/src/bootstrap/add.js b/src/bootstrap/add.js
index 978a3eeda..29dd46cc3 100644
--- a/src/bootstrap/add.js
+++ b/src/bootstrap/add.js
@@ -1,32 +1,28 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const Multiaddr = require('multiaddr')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof opts === 'function' &&
-      !callback) {
-      callback = opts
-      opts = {}
+module.exports = configure(({ ky }) => {
+  return async (addr, options) => {
+    if (addr && typeof addr === 'object' && !Multiaddr.isMultiaddr(addr)) {
+      options = addr
+      addr = null
     }
 
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' &&
-      typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
+    options = options || {}
 
-    if (args && typeof args === 'object') {
-      opts = args
-      args = undefined
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (addr) searchParams.set('arg', `${addr}`)
+    if (options.default != null) searchParams.set('default', options.default)
+
+    const res = await ky.post('bootstrap/add', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
 
-    send({
-      path: 'bootstrap/add',
-      args: args,
-      qs: opts
-    }, callback)
-  })
-}
+    return res
+  }
+})
diff --git a/src/bootstrap/index.js b/src/bootstrap/index.js
index 31cb3fa2f..519a7161e 100644
--- a/src/bootstrap/index.js
+++ b/src/bootstrap/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    add: require('./add')(send),
-    rm: require('./rm')(send),
-    list: require('./list')(send)
-  }
-}
+module.exports = config => ({
+  add: require('./add')(config),
+  rm: require('./rm')(config),
+  list: require('./list')(config)
+})
diff --git a/src/bootstrap/list.js b/src/bootstrap/list.js
index 79690ef19..2a6bbef4b 100644
--- a/src/bootstrap/list.js
+++ b/src/bootstrap/list.js
@@ -1,16 +1,18 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    send({
-      path: 'bootstrap/list',
-      qs: opts
-    }, callback)
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (options) => {
+    options = options || {}
+
+    const res = await ky.post('bootstrap/list', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+
+    return res
+  }
+})
diff --git a/src/bootstrap/rm.js b/src/bootstrap/rm.js
index c7f55368b..4c2597d1d 100644
--- a/src/bootstrap/rm.js
+++ b/src/bootstrap/rm.js
@@ -1,32 +1,28 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const Multiaddr = require('multiaddr')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof opts === 'function' &&
-      !callback) {
-      callback = opts
-      opts = {}
+module.exports = configure(({ ky }) => {
+  return async (addr, options) => {
+    if (addr && typeof addr === 'object' && !Multiaddr.isMultiaddr(addr)) {
+      options = addr
+      addr = null
     }
 
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' &&
-      typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
+    options = options || {}
 
-    if (args && typeof args === 'object') {
-      opts = args
-      args = undefined
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (addr) searchParams.set('arg', `${addr}`)
+    if (options.all != null) searchParams.set('all', options.all)
+
+    const res = await ky.post('bootstrap/rm', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
 
-    send({
-      path: 'bootstrap/rm',
-      args: args,
-      qs: opts
-    }, callback)
-  })
-}
+    return res
+  }
+})
diff --git a/src/cat.js b/src/cat.js
new file mode 100644
index 000000000..3d4971a1c
--- /dev/null
+++ b/src/cat.js
@@ -0,0 +1,34 @@
+'use strict'
+
+const CID = require('cids')
+const { Buffer } = require('buffer')
+const configure = require('./lib/configure')
+const toIterable = require('stream-to-it/source')
+
+module.exports = configure(({ ky }) => {
+  return async function * cat (path, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+
+    if (typeof path === 'string') {
+      searchParams.set('arg', path)
+    } else {
+      searchParams.set('arg', new CID(path).toString())
+    }
+
+    if (options.offset) searchParams.set('offset', options.offset)
+    if (options.length) searchParams.set('length', options.length)
+
+    const res = await ky.post('cat', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const chunk of toIterable(res.body)) {
+      yield Buffer.from(chunk)
+    }
+  }
+})
diff --git a/src/commands.js b/src/commands.js
index 8327e103a..4f8463fe9 100644
--- a/src/commands.js
+++ b/src/commands.js
@@ -1,14 +1,19 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return promisify((callback) => {
-    send({
-      path: 'commands'
-    }, callback)
-  })
-}
+const configure = require('./lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return options => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.flags != null) searchParams.set('flags', options.flags)
+
+    return ky.post('commands', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+  }
+})
diff --git a/src/config/get.js b/src/config/get.js
index 882efe3df..e4a7b5c2d 100644
--- a/src/config/get.js
+++ b/src/config/get.js
@@ -1,39 +1,27 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-const toObject = function (res, callback) {
-  if (Buffer.isBuffer(res)) {
-    callback(null, JSON.parse(res.toString()))
-  } else {
-    callback(null, res)
-  }
-}
-
-module.exports = (send) => {
-  return promisify((key, callback) => {
-    if (typeof key === 'function') {
-      callback = key
-      key = undefined
+module.exports = configure(({ ky }) => {
+  return async (key, options) => {
+    if (key && typeof key === 'object') {
+      options = key
+      key = null
     }
 
-    if (!key) {
-      send.andTransform({
-        path: 'config/show',
-        buffer: true
-      }, toObject, callback)
-      return
-    }
+    options = options || {}
 
-    send.andTransform({
-      path: 'config',
-      args: key,
-      buffer: true
-    }, toObject, (err, response) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, response.Value)
-    })
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (key) searchParams.set('arg', key)
+
+    const url = key ? 'config' : 'config/show'
+    const data = await ky.post(url, {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return key ? data.Value : data
+  }
+})
diff --git a/src/config/index.js b/src/config/index.js
index 109865ab0..cb56190a2 100644
--- a/src/config/index.js
+++ b/src/config/index.js
@@ -1,13 +1,8 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    get: require('./get')(send),
-    set: require('./set')(send),
-    replace: require('./replace')(send)
-  }
-}
+module.exports = config => ({
+  get: require('./get')(config),
+  set: require('./set')(config),
+  replace: require('./replace')(config),
+  profiles: require('./profiles')(config)
+})
diff --git a/src/config/profiles/apply.js b/src/config/profiles/apply.js
new file mode 100644
index 000000000..deac884fe
--- /dev/null
+++ b/src/config/profiles/apply.js
@@ -0,0 +1,24 @@
+'use strict'
+
+const configure = require('../../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (profile, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', profile)
+    if (options.dryRun != null) searchParams.set('dry-run', options.dryRun)
+
+    const res = await ky.post('config/profile/apply', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return {
+      original: res.OldCfg, updated: res.NewCfg
+    }
+  }
+})
diff --git a/src/config/profiles/index.js b/src/config/profiles/index.js
new file mode 100644
index 000000000..77b68de41
--- /dev/null
+++ b/src/config/profiles/index.js
@@ -0,0 +1,6 @@
+'use strict'
+
+module.exports = config => ({
+  apply: require('./apply')(config),
+  list: require('./list')(config)
+})
diff --git a/src/config/profiles/list.js b/src/config/profiles/list.js
new file mode 100644
index 000000000..0261070bf
--- /dev/null
+++ b/src/config/profiles/list.js
@@ -0,0 +1,19 @@
+'use strict'
+
+const configure = require('../../lib/configure')
+const toCamel = require('../../lib/object-to-camel')
+
+module.exports = configure(({ ky }) => {
+  return async (options) => {
+    options = options || {}
+
+    const res = await ky.post('config/profile/list', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+
+    return res.map(profile => toCamel(profile))
+  }
+})
diff --git a/src/config/replace.js b/src/config/replace.js
index 971c61ee0..ccca80beb 100644
--- a/src/config/replace.js
+++ b/src/config/replace.js
@@ -1,25 +1,21 @@
 'use strict'
 
-const { Readable } = require('readable-stream')
-const promisify = require('promisify-es6')
-const SendOneFile = require('../utils/send-one-file')
+const { Buffer } = require('buffer')
+const configure = require('../lib/configure')
+const toFormData = require('../lib/buffer-to-form-data')
 
-function toStream (input) {
-  return new Readable({
-    read () {
-      this.push(input)
-      this.push(null)
-    }
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (config, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'config/replace')
-  return promisify((config, callback) => {
-    if (typeof config === 'object') {
-      config = toStream(Buffer.from(JSON.stringify(config)))
-    }
+    const res = await ky.post('config/replace', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams,
+      body: toFormData(Buffer.from(JSON.stringify(config)))
+    }).text()
 
-    sendOneFile(config, {}, callback)
-  })
-}
+    return res
+  }
+})
diff --git a/src/config/set.js b/src/config/set.js
index ae36a75b5..f9e3309f2 100644
--- a/src/config/set.js
+++ b/src/config/set.js
@@ -1,37 +1,36 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
+
+module.exports = configure(({ ky }) => {
+  return async (key, value, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((key, value, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
     if (typeof key !== 'string') {
-      return callback(new Error('Invalid key type'))
+      throw new Error('Invalid key type')
     }
 
-    if (value === undefined || Buffer.isBuffer(value)) {
-      return callback(new Error('Invalid value type'))
-    }
-
-    if (typeof value === 'object') {
-      value = JSON.stringify(value)
-      opts = { json: true }
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
 
     if (typeof value === 'boolean') {
+      searchParams.set('bool', true)
       value = value.toString()
-      opts = { bool: true }
+    } else if (typeof value !== 'string') {
+      searchParams.set('json', true)
+      value = JSON.stringify(value)
     }
 
-    send({
-      path: 'config',
-      args: [key, value],
-      qs: opts,
-      files: undefined,
-      buffer: true
-    }, callback)
-  })
-}
+    searchParams.set('arg', key)
+    searchParams.append('arg', value)
+
+    const res = await ky.post('config', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/dag/get.js b/src/dag/get.js
index dc4e46b4a..93847b2e6 100644
--- a/src/dag/get.js
+++ b/src/dag/get.js
@@ -2,58 +2,40 @@
 
 const dagPB = require('ipld-dag-pb')
 const dagCBOR = require('ipld-dag-cbor')
-const promisify = require('promisify-es6')
-const CID = require('cids')
-const waterfall = require('async/waterfall')
-const block = require('../block')
+const raw = require('ipld-raw')
+const configure = require('../lib/configure')
 
 const resolvers = {
   'dag-cbor': dagCBOR.resolver,
-  'dag-pb': dagPB.resolver
+  'dag-pb': dagPB.resolver,
+  raw: raw.resolver
 }
 
-module.exports = (send) => {
-  return promisify((cid, path, options, callback) => {
-    if (typeof path === 'function') {
-      callback = path
-      path = undefined
-    }
+module.exports = config => {
+  const getBlock = require('../block/get')(config)
+  const dagResolve = require('./resolve')(config)
 
-    if (typeof options === 'function') {
-      callback = options
-      options = {}
-    }
+  return configure(({ ky }) => {
+    return async (cid, path, options) => {
+      if (typeof path === 'object') {
+        options = path
+        path = null
+      }
 
-    options = options || {}
-    path = path || ''
+      options = options || {}
 
-    if (CID.isCID(cid)) {
-      cid = cid.toBaseEncodedString()
-    }
+      const resolved = await dagResolve(cid, path, options)
+      const block = await getBlock(resolved.cid, options)
+      const dagResolver = resolvers[block.cid.codec]
 
-    waterfall([
-      cb => {
-        send({
-          path: 'dag/resolve',
-          args: cid + '/' + path,
-          qs: options
-        }, cb)
-      },
-      (resolved, cb) => {
-        block(send).get(new CID(resolved['Cid']['/']), (err, ipfsBlock) => {
-          cb(err, ipfsBlock, resolved['RemPath'])
-        })
-      },
-      (ipfsBlock, path, cb) => {
-        const dagResolver = resolvers[ipfsBlock.cid.codec]
-        if (!dagResolver) {
-          const error = new Error('ipfs-http-client is missing DAG resolver for "' + ipfsBlock.cid.codec + '" multicodec')
-          error.missingMulticodec = ipfsBlock.cid.codec
-          cb(error)
-          return
-        }
-        dagResolver.resolve(ipfsBlock.data, path, cb)
+      if (!dagResolver) {
+        throw Object.assign(
+          new Error(`Missing IPLD format "${block.cid.codec}"`),
+          { missingMulticodec: cid.codec }
+        )
       }
-    ], callback)
-  })
+
+      return dagResolver.resolve(block.data, resolved.remPath)
+    }
+  })(config)
 }
diff --git a/src/dag/index.js b/src/dag/index.js
index bb6b1333c..3cc4d410e 100644
--- a/src/dag/index.js
+++ b/src/dag/index.js
@@ -1,12 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    get: require('./get')(send),
-    put: require('./put')(send)
-  }
-}
+module.exports = config => ({
+  get: require('./get')(config),
+  put: require('./put')(config),
+  resolve: require('./resolve')(config)
+})
diff --git a/src/dag/put.js b/src/dag/put.js
index 636d39ae4..d26f8ba9e 100644
--- a/src/dag/put.js
+++ b/src/dag/put.js
@@ -1,20 +1,13 @@
 'use strict'
 
-const dagPB = require('ipld-dag-pb')
 const dagCBOR = require('ipld-dag-cbor')
-const promisify = require('promisify-es6')
 const CID = require('cids')
 const multihash = require('multihashes')
-const SendOneFile = require('../utils/send-one-file')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'dag/put')
-
-  return promisify((dagNode, options, callback) => {
-    if (typeof options === 'function') {
-      callback = options
-    }
+const configure = require('../lib/configure')
+const toFormData = require('../lib/buffer-to-form-data')
 
+module.exports = configure(({ ky }) => {
+  return async (dagNode, options) => {
     options = options || {}
 
     if (options.hash) {
@@ -23,61 +16,53 @@ module.exports = (send) => {
     }
 
     if (options.cid && (options.format || options.hashAlg)) {
-      return callback(new Error('Can\'t put dag node. Please provide either `cid` OR `format` and `hash` options.'))
+      throw new Error('Failed to put DAG node. Provide either `cid` OR `format` and `hashAlg` options')
     } else if ((options.format && !options.hashAlg) || (!options.format && options.hashAlg)) {
-      return callback(new Error('Can\'t put dag node. Please provide `format` AND `hash` options.'))
+      throw new Error('Failed to put DAG node. Provide `format` AND `hashAlg` options')
     }
 
     if (options.cid) {
-      let cid
-
-      try {
-        cid = new CID(options.cid)
-      } catch (err) {
-        return callback(err)
+      const cid = new CID(options.cid)
+      options = {
+        ...options,
+        format: cid.codec,
+        hashAlg: multihash.decode(cid.multihash).name
       }
-
-      options.format = cid.codec
-      options.hashAlg = multihash.decode(cid.multihash).name
       delete options.cid
     }
 
-    const optionDefaults = {
+    options = {
       format: 'dag-cbor',
       hashAlg: 'sha2-256',
-      inputEnc: 'raw'
+      inputEnc: 'raw',
+      ...options
     }
 
-    options = Object.assign(optionDefaults, options)
+    let serialized
 
     if (options.format === 'dag-cbor') {
-      dagCBOR.util.serialize(dagNode, finalize)
+      serialized = dagCBOR.util.serialize(dagNode)
     } else if (options.format === 'dag-pb') {
-      dagPB.util.serialize(dagNode, finalize)
+      serialized = dagNode.serialize()
     } else {
       // FIXME Hopefully already serialized...can we use IPLD to serialise instead?
-      finalize(null, dagNode)
+      serialized = dagNode
     }
 
-    function finalize (err, serialized) {
-      if (err) { return callback(err) }
-      const sendOptions = {
-        qs: {
-          hash: options.hashAlg,
-          format: options.format,
-          'input-enc': options.inputEnc
-        }
-      }
-      sendOneFile(serialized, sendOptions, (err, result) => {
-        if (err) {
-          return callback(err)
-        }
-        if (result['Cid']) {
-          return callback(null, new CID(result['Cid']['/']))
-        } else {
-          return callback(result)
-        }
-      })
-    }
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('format', options.format)
+    searchParams.set('hash', options.hashAlg)
+    searchParams.set('input-enc', options.inputEnc)
+    if (options.pin != null) searchParams.set('pin', options.pin)
+
+    const res = await ky.post('dag/put', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams,
+      body: toFormData(serialized)
+    }).json()
+
+    return new CID(res.Cid['/'])
+  }
+})
diff --git a/src/dag/resolve.js b/src/dag/resolve.js
new file mode 100644
index 000000000..cb7014a41
--- /dev/null
+++ b/src/dag/resolve.js
@@ -0,0 +1,31 @@
+'use strict'
+
+const CID = require('cids')
+const configure = require('../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, path, options) => {
+    if (typeof path === 'object') {
+      options = path
+      path = null
+    }
+
+    options = options || {}
+
+    const cidPath = path
+      ? [cid, path].join(path.startsWith('/') ? '' : '/')
+      : `${cid}`
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', cidPath)
+
+    const res = await ky.post('dag/resolve', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return { cid: new CID(res.Cid['/']), remPath: res.RemPath }
+  }
+})
diff --git a/src/dht/find-peer.js b/src/dht/find-peer.js
new file mode 100644
index 000000000..ef5c6c92a
--- /dev/null
+++ b/src/dht/find-peer.js
@@ -0,0 +1,49 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const multiaddr = require('multiaddr')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+
+module.exports = configure(({ ky }) => {
+  return async function findPeer (peerId, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(peerId) ? new CID(peerId) : peerId}`)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
+
+    const res = await ky.post('dht/findpeer', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const message of ndjson(toIterable(res.body))) {
+      // 3 = QueryError
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
+      // https://github.com/ipfs/go-ipfs/blob/eb11f569b064b960d1aba4b5b8ca155a3bd2cb21/core/commands/dht.go#L388-L389
+      if (message.Type === 3) {
+        throw new Error(message.Extra)
+      }
+
+      // 2 = FinalPeer
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
+      if (message.Type === 2 && message.Responses) {
+        // There will only be 1:
+        // https://github.com/ipfs/go-ipfs/blob/eb11f569b064b960d1aba4b5b8ca155a3bd2cb21/core/commands/dht.go#L395-L396
+        for (const { ID, Addrs } of message.Responses) {
+          return {
+            id: ID,
+            addrs: (Addrs || []).map(a => multiaddr(a))
+          }
+        }
+      }
+    }
+
+    throw new Error('not found')
+  }
+})
diff --git a/src/dht/find-provs.js b/src/dht/find-provs.js
new file mode 100644
index 000000000..e70935dec
--- /dev/null
+++ b/src/dht/find-provs.js
@@ -0,0 +1,45 @@
+'use strict'
+
+const CID = require('cids')
+const multiaddr = require('multiaddr')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+
+module.exports = configure(({ ky }) => {
+  return async function * findProvs (cid, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${new CID(cid)}`)
+    if (options.numProviders) searchParams.set('num-providers', options.numProviders)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
+
+    const res = await ky.post('dht/findprovs', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const message of ndjson(toIterable(res.body))) {
+      // 3 = QueryError
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
+      // https://github.com/libp2p/go-libp2p-kad-dht/blob/master/routing.go#L525-L526
+      if (message.Type === 3) {
+        throw new Error(message.Extra)
+      }
+
+      // 4 = Provider
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L20
+      if (message.Type === 4 && message.Responses) {
+        for (const { ID, Addrs } of message.Responses) {
+          yield {
+            id: ID,
+            addrs: (Addrs || []).map(a => multiaddr(a))
+          }
+        }
+      }
+    }
+  }
+})
diff --git a/src/dht/findpeer.js b/src/dht/findpeer.js
deleted file mode 100644
index 98611468c..000000000
--- a/src/dht/findpeer.js
+++ /dev/null
@@ -1,62 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const streamToValueWithTransformer = require('../utils/stream-to-value-with-transformer')
-
-const multiaddr = require('multiaddr')
-const PeerId = require('peer-id')
-const PeerInfo = require('peer-info')
-const errcode = require('err-code')
-
-module.exports = (send) => {
-  return promisify((peerId, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    const handleResult = (res, callback) => {
-      // Inconsistent return values in the browser
-      if (Array.isArray(res)) {
-        res = res[0]
-      }
-
-      // Type 2 keys
-      if (res.Type !== 2) {
-        const errMsg = `key was not found (type 2)`
-
-        return callback(errcode(new Error(errMsg), 'ERR_KEY_TYPE_2_NOT_FOUND'))
-      }
-
-      const responseReceived = res.Responses[0]
-      const peerInfo = new PeerInfo(PeerId.createFromB58String(responseReceived.ID))
-
-      responseReceived.Addrs.forEach((addr) => {
-        const ma = multiaddr(addr)
-
-        peerInfo.multiaddrs.add(ma)
-      })
-
-      callback(null, peerInfo)
-    }
-
-    send({
-      path: 'dht/findpeer',
-      args: peerId,
-      qs: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      streamToValueWithTransformer(result, handleResult, callback)
-    })
-  })
-}
diff --git a/src/dht/findprovs.js b/src/dht/findprovs.js
deleted file mode 100644
index dd2d82f58..000000000
--- a/src/dht/findprovs.js
+++ /dev/null
@@ -1,71 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const streamToValueWithTransformer = require('../utils/stream-to-value-with-transformer')
-
-const multiaddr = require('multiaddr')
-const PeerId = require('peer-id')
-const PeerInfo = require('peer-info')
-const errcode = require('err-code')
-
-module.exports = (send) => {
-  return promisify((cid, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    const handleResult = (res, callback) => {
-      // callback with an empty array if no providers are found
-      if (!res) {
-        const responses = []
-        return callback(null, responses)
-      }
-
-      // Inconsistent return values in the browser vs node
-      if (Array.isArray(res)) {
-        res = res[0]
-      }
-
-      // Type 4 keys
-      if (res.Type !== 4) {
-        const errMsg = `key was not found (type 4)`
-
-        return callback(errcode(new Error(errMsg), 'ERR_KEY_TYPE_4_NOT_FOUND'))
-      }
-
-      const responses = res.Responses.map((r) => {
-        const peerInfo = new PeerInfo(PeerId.createFromB58String(r.ID))
-
-        r.Addrs.forEach((addr) => {
-          const ma = multiaddr(addr)
-
-          peerInfo.multiaddrs.add(ma)
-        })
-
-        return peerInfo
-      })
-
-      callback(null, responses)
-    }
-
-    send({
-      path: 'dht/findprovs',
-      args: cid,
-      qs: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      streamToValueWithTransformer(result, handleResult, callback)
-    })
-  })
-}
diff --git a/src/dht/get.js b/src/dht/get.js
index 279ad51bf..4be7b80c2 100644
--- a/src/dht/get.js
+++ b/src/dht/get.js
@@ -1,49 +1,43 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const { Buffer } = require('buffer')
+const ndjson = require('iterable-ndjson')
+const toIterable = require('stream-to-it/source')
+const encodeBufferURIComponent = require('../lib/encode-buffer-uri-component')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((key, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async function get (key, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
 
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
+    if (!Buffer.isBuffer(key)) {
+      throw new Error('invalid key')
     }
 
-    function handleResult (done, err, res) {
-      if (err) {
-        return done(err)
-      }
-      if (!res) {
-        return done(new Error('empty response'))
-      }
-      if (res.length === 0) {
-        return done(new Error('no value returned for key'))
-      }
+    const res = await ky.post(`dht/get?key=${encodeBufferURIComponent(key)}&${searchParams}`, {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers
+    })
 
-      // Inconsistent return values in the browser vs node
-      if (Array.isArray(res)) {
-        res = res[0]
+    for await (const message of ndjson(toIterable(res.body))) {
+      // 3 = QueryError
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
+      // https://github.com/ipfs/go-ipfs/blob/eb11f569b064b960d1aba4b5b8ca155a3bd2cb21/core/commands/dht.go#L472-L473
+      if (message.Type === 3) {
+        throw new Error(message.Extra)
       }
 
-      if (res.Type === 5) {
-        done(null, res.Extra)
-      } else {
-        let error = new Error('key was not found (type 6)')
-        done(error)
+      // 5 = Value
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L21
+      if (message.Type === 5) {
+        return message.Extra
       }
     }
 
-    send({
-      path: 'dht/get',
-      args: key,
-      qs: opts
-    }, handleResult.bind(null, callback))
-  })
-}
+    throw new Error('not found')
+  }
+})
diff --git a/src/dht/index.js b/src/dht/index.js
index b4ab8c640..754e57b83 100644
--- a/src/dht/index.js
+++ b/src/dht/index.js
@@ -1,17 +1,11 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    get: require('./get')(send),
-    put: require('./put')(send),
-    findProvs: require('./findprovs')(send),
-    findPeer: require('./findpeer')(send),
-    provide: require('./provide')(send),
-    // find closest peerId to given peerId
-    query: require('./query')(send)
-  }
-}
+module.exports = config => ({
+  get: require('./get')(config),
+  put: require('./put')(config),
+  findProvs: require('./find-provs')(config),
+  findPeer: require('./find-peer')(config),
+  provide: require('./provide')(config),
+  // find closest peerId to given peerId
+  query: require('./query')(config)
+})
diff --git a/src/dht/provide.js b/src/dht/provide.js
index 08bcad6d7..cdcae2f84 100644
--- a/src/dht/provide.js
+++ b/src/dht/provide.js
@@ -1,37 +1,48 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const CID = require('cids')
+const multiaddr = require('multiaddr')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+const toCamel = require('../lib/object-to-camel')
 
-module.exports = (send) => {
-  return promisify((cids, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async function * provide (cids, options) {
+    cids = Array.isArray(cids) ? cids : [cids]
+    options = options || {}
 
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    cids.forEach(cid => searchParams.append('arg', `${new CID(cid)}`))
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
 
-    if (!Array.isArray(cids)) {
-      cids = [cids]
-    }
+    const res = await ky.post('dht/provide', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
 
-    // Validate CID(s) and serialize
-    try {
-      cids = cids.map(cid => new CID(cid).toBaseEncodedString('base58btc'))
-    } catch (err) {
-      return callback(err)
-    }
+    for await (let message of ndjson(toIterable(res.body))) {
+      // 3 = QueryError
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
+      // https://github.com/ipfs/go-ipfs/blob/eb11f569b064b960d1aba4b5b8ca155a3bd2cb21/core/commands/dht.go#L283-L284
+      if (message.Type === 3) {
+        throw new Error(message.Extra)
+      }
 
-    send({
-      path: 'dht/provide',
-      args: cids,
-      qs: opts
-    }, callback)
-  })
-}
+      message = toCamel(message)
+      message.id = new CID(message.id)
+      if (message.responses) {
+        message.responses = message.responses.map(({ ID, Addrs }) => ({
+          id: ID,
+          addrs: (Addrs || []).map(a => multiaddr(a))
+        }))
+      } else {
+        message.responses = []
+      }
+      yield message
+    }
+  }
+})
diff --git a/src/dht/put.js b/src/dht/put.js
index c0937d158..8dc924f7a 100644
--- a/src/dht/put.js
+++ b/src/dht/put.js
@@ -1,25 +1,48 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const multiaddr = require('multiaddr')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+const encodeBufferURIComponent = require('../lib/encode-buffer-uri-component')
+const toCamel = require('../lib/object-to-camel')
 
-module.exports = (send) => {
-  return promisify((key, value, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async function * put (key, value, options) {
+    options = options || {}
 
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
+
+    key = Buffer.isBuffer(key) ? encodeBufferURIComponent(key) : encodeURIComponent(key)
+    value = Buffer.isBuffer(value) ? encodeBufferURIComponent(value) : encodeURIComponent(value)
 
-    send({
-      path: 'dht/put',
-      args: [key, value],
-      qs: opts
-    }, callback)
-  })
-}
+    const url = `dht/put?arg=${key}&arg=${value}&${searchParams}`
+    const res = await ky.post(url, {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers
+    })
+
+    for await (let message of ndjson(toIterable(res.body))) {
+      // 3 = QueryError
+      // https://github.com/libp2p/go-libp2p-core/blob/6e566d10f4a5447317a66d64c7459954b969bdab/routing/query.go#L18
+      // https://github.com/ipfs/go-ipfs/blob/eb11f569b064b960d1aba4b5b8ca155a3bd2cb21/core/commands/dht.go#L472-L473
+      if (message.Type === 3) {
+        throw new Error(message.Extra)
+      }
+
+      message = toCamel(message)
+      message.id = new CID(message.id)
+      if (message.responses) {
+        message.responses = message.responses.map(({ ID, Addrs }) => ({
+          id: ID,
+          addrs: (Addrs || []).map(a => multiaddr(a))
+        }))
+      }
+      yield message
+    }
+  }
+})
diff --git a/src/dht/query.js b/src/dht/query.js
index 2dbc62a47..b2b878572 100644
--- a/src/dht/query.js
+++ b/src/dht/query.js
@@ -1,41 +1,35 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const streamToValueWithTransformer = require('../utils/stream-to-value-with-transformer')
-
-const PeerId = require('peer-id')
-const PeerInfo = require('peer-info')
-
-module.exports = (send) => {
-  return promisify((peerId, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    const handleResult = (res, callback) => {
-      const peerIds = res.map((r) => (new PeerInfo(PeerId.createFromB58String(r.ID))))
+const CID = require('cids')
+const ndjson = require('iterable-ndjson')
+const multiaddr = require('multiaddr')
+const toIterable = require('stream-to-it/source')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
+
+module.exports = configure(({ ky }) => {
+  return async function * query (peerId, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(peerId) ? new CID(peerId) : peerId}`)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
+
+    const res = await ky.post('dht/query', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
 
-      callback(null, peerIds)
+    for await (let message of ndjson(toIterable(res.body))) {
+      message = toCamel(message)
+      message.id = new CID(message.id)
+      message.responses = (message.responses || []).map(({ ID, Addrs }) => ({
+        id: ID,
+        addrs: (Addrs || []).map(a => multiaddr(a))
+      }))
+      yield message
     }
-
-    send({
-      path: 'dht/query',
-      args: peerId,
-      qs: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      streamToValueWithTransformer(result, handleResult, callback)
-    })
-  })
-}
+  }
+})
diff --git a/src/diag/cmds.js b/src/diag/cmds.js
index e717604fa..88bb728ef 100644
--- a/src/diag/cmds.js
+++ b/src/diag/cmds.js
@@ -1,17 +1,19 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return options => {
+    options = options || {}
 
-    send({
-      path: 'diag/cmds',
-      qs: opts
-    }, callback)
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.verbose != null) searchParams.set('verbose', options.verbose)
+
+    return ky.post('diag/cmds', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+  }
+})
diff --git a/src/diag/index.js b/src/diag/index.js
index b24f7af53..d3ac85d55 100644
--- a/src/diag/index.js
+++ b/src/diag/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    net: require('./net')(send),
-    sys: require('./sys')(send),
-    cmds: require('./cmds')(send)
-  }
-}
+module.exports = config => ({
+  net: require('./net')(config),
+  sys: require('./sys')(config),
+  cmds: require('./cmds')(config)
+})
diff --git a/src/diag/net.js b/src/diag/net.js
index 9c84988d1..71b971ba7 100644
--- a/src/diag/net.js
+++ b/src/diag/net.js
@@ -1,17 +1,16 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return options => {
+    options = options || {}
 
-    send({
-      path: 'diag/net',
-      qs: opts
-    }, callback)
-  })
-}
+    return ky.post('diag/net', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+  }
+})
diff --git a/src/diag/sys.js b/src/diag/sys.js
index c06968942..768d13d4d 100644
--- a/src/diag/sys.js
+++ b/src/diag/sys.js
@@ -1,17 +1,16 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return options => {
+    options = options || {}
 
-    send({
-      path: 'diag/sys',
-      qs: opts
-    }, callback)
-  })
-}
+    return ky.post('diag/sys', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+  }
+})
diff --git a/src/dns.js b/src/dns.js
index 3f734bfc2..5032e3fb5 100644
--- a/src/dns.js
+++ b/src/dns.js
@@ -1,25 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
+const configure = require('./lib/configure')
 
-const transform = function (res, callback) {
-  callback(null, res.Path)
-}
+module.exports = configure(({ ky }) => {
+  return async (domain, options) => {
+    options = options || {}
 
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', domain)
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
 
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const res = await ky.post('dns', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
 
-    send.andTransform({
-      path: 'dns',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
+    return res.Path
+  }
+})
diff --git a/src/files-mfs/cp.js b/src/files-mfs/cp.js
deleted file mode 100644
index de4e0954d..000000000
--- a/src/files-mfs/cp.js
+++ /dev/null
@@ -1,20 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const findSources = require('../utils/find-sources')
-
-module.exports = (send) => {
-  return promisify(function () {
-    const {
-      callback,
-      sources,
-      opts
-    } = findSources(Array.prototype.slice.call(arguments))
-
-    send({
-      path: 'files/cp',
-      args: sources,
-      qs: opts
-    }, (error) => callback(error))
-  })
-}
diff --git a/src/files-mfs/flush.js b/src/files-mfs/flush.js
deleted file mode 100644
index 6a131989b..000000000
--- a/src/files-mfs/flush.js
+++ /dev/null
@@ -1,17 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-
-module.exports = (send) => {
-  return promisify((args, callback) => {
-    if (typeof args === 'function') {
-      callback = args
-      args = '/'
-    }
-
-    return send({
-      path: 'files/flush',
-      args: args
-    }, (error) => callback(error))
-  })
-}
diff --git a/src/files-mfs/index.js b/src/files-mfs/index.js
deleted file mode 100644
index d35e82ea7..000000000
--- a/src/files-mfs/index.js
+++ /dev/null
@@ -1,23 +0,0 @@
-'use strict'
-
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    cp: require('./cp')(send),
-    mkdir: require('./mkdir')(send),
-    flush: require('./flush')(send),
-    stat: require('./stat')(send),
-    rm: require('./rm')(send),
-    ls: require('./ls')(send),
-    lsReadableStream: require('./ls-readable-stream')(send),
-    lsPullStream: require('./ls-pull-stream')(send),
-    read: require('./read')(send),
-    readReadableStream: require('./read-readable-stream')(send),
-    readPullStream: require('./read-pull-stream')(send),
-    write: require('./write')(send),
-    mv: require('./mv')(send)
-  }
-}
diff --git a/src/files-mfs/ls-pull-stream.js b/src/files-mfs/ls-pull-stream.js
deleted file mode 100644
index 111eba7ed..000000000
--- a/src/files-mfs/ls-pull-stream.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict'
-
-const toPull = require('stream-to-pull-stream')
-const lsReadableStream = require('./ls-readable-stream')
-
-module.exports = (send) => {
-  return (args, opts) => {
-    opts = opts || {}
-
-    return toPull.source(lsReadableStream(send)(args, opts))
-  }
-}
diff --git a/src/files-mfs/ls-readable-stream.js b/src/files-mfs/ls-readable-stream.js
deleted file mode 100644
index 404893e70..000000000
--- a/src/files-mfs/ls-readable-stream.js
+++ /dev/null
@@ -1,62 +0,0 @@
-'use strict'
-
-const {
-  Transform,
-  PassThrough
-} = require('readable-stream')
-const pump = require('pump')
-const ndjson = require('ndjson')
-const isStream = require('is-stream')
-
-const toEntry = (entry) => {
-  return {
-    name: entry.Name,
-    type: entry.Type,
-    size: entry.Size,
-    hash: entry.Hash
-  }
-}
-
-module.exports = (send) => {
-  return (args, opts) => {
-    opts = opts || {}
-
-    const transform = new Transform({
-      objectMode: true,
-
-      transform (entry, encoding, callback) {
-        callback(null, toEntry(entry))
-      }
-    })
-
-    const output = new PassThrough({
-      objectMode: true
-    })
-
-    send({
-      path: 'files/ls',
-      args: args,
-      qs: Object.assign({}, opts, { stream: true })
-    }, (err, res) => {
-      if (err) {
-        return output.destroy(err)
-      }
-
-      if (isStream(res)) {
-        const parse = ndjson.parse()
-
-        pump(res, parse, transform, output)
-      } else {
-        const entries = res.Entries || []
-
-        entries.forEach((entry) => {
-          output.write(toEntry(entry))
-        })
-
-        output.end()
-      }
-    })
-
-    return output
-  }
-}
diff --git a/src/files-mfs/ls.js b/src/files-mfs/ls.js
deleted file mode 100644
index ff22f5396..000000000
--- a/src/files-mfs/ls.js
+++ /dev/null
@@ -1,37 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-
-const transform = function (res, callback) {
-  const entries = res.Entries || []
-
-  callback(null, entries.map((entry) => {
-    return {
-      name: entry.Name,
-      type: entry.Type,
-      size: entry.Size,
-      hash: entry.Hash
-    }
-  }))
-}
-
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    if (typeof (args) === 'function') {
-      callback = args
-      opts = {}
-      args = null
-    }
-
-    return send.andTransform({
-      path: 'files/ls',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
diff --git a/src/files-mfs/mkdir.js b/src/files-mfs/mkdir.js
deleted file mode 100644
index b77fbf6dd..000000000
--- a/src/files-mfs/mkdir.js
+++ /dev/null
@@ -1,18 +0,0 @@
-
-'use strict'
-
-const promisify = require('promisify-es6')
-
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    send({
-      path: 'files/mkdir',
-      args: args,
-      qs: opts
-    }, (error) => callback(error))
-  })
-}
diff --git a/src/files-mfs/mv.js b/src/files-mfs/mv.js
deleted file mode 100644
index 234491b28..000000000
--- a/src/files-mfs/mv.js
+++ /dev/null
@@ -1,20 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const findSources = require('../utils/find-sources')
-
-module.exports = (send) => {
-  return promisify(function () {
-    const {
-      callback,
-      sources,
-      opts
-    } = findSources(Array.prototype.slice.call(arguments))
-
-    send({
-      path: 'files/mv',
-      args: sources,
-      qs: opts
-    }, (error) => callback(error))
-  })
-}
diff --git a/src/files-mfs/read-pull-stream.js b/src/files-mfs/read-pull-stream.js
deleted file mode 100644
index 3e9ab8c3d..000000000
--- a/src/files-mfs/read-pull-stream.js
+++ /dev/null
@@ -1,26 +0,0 @@
-'use strict'
-
-const toPull = require('stream-to-pull-stream')
-const deferred = require('pull-defer')
-
-module.exports = (send) => {
-  return (args, opts) => {
-    opts = opts || {}
-
-    const p = deferred.source()
-
-    send({
-      path: 'files/read',
-      args: args,
-      qs: opts
-    }, (err, stream) => {
-      if (err) {
-        return p.abort(err)
-      }
-
-      p.resolve(toPull(stream))
-    })
-
-    return p
-  }
-}
diff --git a/src/files-mfs/read-readable-stream.js b/src/files-mfs/read-readable-stream.js
deleted file mode 100644
index df8b92fbf..000000000
--- a/src/files-mfs/read-readable-stream.js
+++ /dev/null
@@ -1,26 +0,0 @@
-'use strict'
-
-const Stream = require('readable-stream')
-const pump = require('pump')
-
-module.exports = (send) => {
-  return (args, opts) => {
-    opts = opts || {}
-
-    const pt = new Stream.PassThrough()
-
-    send({
-      path: 'files/read',
-      args: args,
-      qs: opts
-    }, (err, stream) => {
-      if (err) {
-        return pt.destroy(err)
-      }
-
-      pump(stream, pt)
-    })
-
-    return pt
-  }
-}
diff --git a/src/files-mfs/read.js b/src/files-mfs/read.js
deleted file mode 100644
index 378d53dfa..000000000
--- a/src/files-mfs/read.js
+++ /dev/null
@@ -1,19 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const streamToValue = require('../utils/stream-to-value')
-
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    send.andTransform({
-      path: 'files/read',
-      args: args,
-      qs: opts
-    }, streamToValue, callback)
-  })
-}
diff --git a/src/files-mfs/rm.js b/src/files-mfs/rm.js
deleted file mode 100644
index 404ceed10..000000000
--- a/src/files-mfs/rm.js
+++ /dev/null
@@ -1,27 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-
-module.exports = (send) => {
-  return promisify((path, opts, callback) => {
-    if (typeof opts === 'function' &&
-      !callback) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' &&
-      typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    send({
-      path: 'files/rm',
-      args: path,
-      qs: opts
-    }, (error) => callback(error))
-  })
-}
diff --git a/src/files-mfs/stat.js b/src/files-mfs/stat.js
deleted file mode 100644
index 7274e32a1..000000000
--- a/src/files-mfs/stat.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const mapKeys = require('just-map-keys')
-const kebabCase = require('just-kebab-case')
-
-const transform = function (data, callback) {
-  callback(null, {
-    type: data.Type,
-    blocks: data.Blocks,
-    size: data.Size,
-    hash: data.Hash,
-    cumulativeSize: data.CumulativeSize,
-    withLocality: data.WithLocality || false,
-    local: data.Local || undefined,
-    sizeLocal: data.SizeLocal || undefined
-  })
-}
-
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    opts = mapKeys(opts, (v, k) => kebabCase(k))
-
-    send.andTransform({
-      path: 'files/stat',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
diff --git a/src/files-mfs/write.js b/src/files-mfs/write.js
deleted file mode 100644
index 0485406bd..000000000
--- a/src/files-mfs/write.js
+++ /dev/null
@@ -1,44 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const concatStream = require('concat-stream')
-const once = require('once')
-const FileResultStreamConverter = require('../utils/file-result-stream-converter')
-const SendFilesStream = require('../utils/send-files-stream')
-
-module.exports = (send) => {
-  const sendFilesStream = SendFilesStream(send, 'files/write')
-
-  return promisify((pathDst, _files, opts, _callback) => {
-    if (typeof opts === 'function' &&
-      !_callback) {
-      _callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' &&
-      typeof _callback === 'function') {
-      _callback = opts
-      opts = {}
-    }
-
-    const files = [].concat(_files)
-    const callback = once(_callback)
-
-    const options = {
-      args: pathDst,
-      qs: opts,
-      converter: FileResultStreamConverter
-    }
-
-    const stream = sendFilesStream({ qs: options })
-    const concat = concatStream((result) => callback(null, result))
-    stream.once('error', callback)
-    stream.pipe(concat)
-
-    files.forEach((file) => stream.write(file))
-    stream.end()
-  })
-}
diff --git a/src/files-regular/add-from-fs.js b/src/files-regular/add-from-fs.js
deleted file mode 100644
index 2320fc537..000000000
--- a/src/files-regular/add-from-fs.js
+++ /dev/null
@@ -1,40 +0,0 @@
-'use strict'
-
-const isNode = require('detect-node')
-const promisify = require('promisify-es6')
-const SendOneFile = require('../utils/send-one-file-multiple-results')
-const FileResultStreamConverter = require('../utils/file-result-stream-converter')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'add')
-
-  return promisify((path, opts, callback) => {
-    if (typeof opts === 'function' &&
-        callback === undefined) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' &&
-        typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    if (!isNode) {
-      return callback(new Error('fsAdd does not work in the browser'))
-    }
-
-    if (typeof path !== 'string') {
-      return callback(new Error('"path" must be a string'))
-    }
-
-    const requestOpts = {
-      qs: opts,
-      converter: FileResultStreamConverter
-    }
-    sendOneFile(path, requestOpts, callback)
-  })
-}
diff --git a/src/files-regular/add-from-url.js b/src/files-regular/add-from-url.js
deleted file mode 100644
index f1065f2de..000000000
--- a/src/files-regular/add-from-url.js
+++ /dev/null
@@ -1,70 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const { URL } = require('iso-url')
-const { getRequest } = require('iso-stream-http')
-const SendOneFile = require('../utils/send-one-file-multiple-results')
-const FileResultStreamConverter = require('../utils/file-result-stream-converter')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'add')
-
-  return promisify((url, opts, callback) => {
-    if (typeof (opts) === 'function' &&
-        callback === undefined) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' &&
-        typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    if (!validUrl(url)) {
-      return callback(new Error('"url" param must be an http(s) url'))
-    }
-
-    requestWithRedirect(url, opts, sendOneFile, callback)
-  })
-}
-
-const validUrl = (url) => typeof url === 'string' && url.startsWith('http')
-
-const requestWithRedirect = (url, opts, sendOneFile, callback) => {
-  const parsedUrl = new URL(url)
-
-  const req = getRequest(parsedUrl, (res) => {
-    if (res.statusCode >= 400) {
-      return callback(new Error(`Failed to download with ${res.statusCode}`))
-    }
-
-    const redirection = res.headers.location
-
-    if (res.statusCode >= 300 && res.statusCode < 400 && redirection) {
-      if (!validUrl(redirection)) {
-        return callback(new Error('redirection url must be an http(s) url'))
-      }
-
-      requestWithRedirect(redirection, opts, sendOneFile, callback)
-    } else {
-      const requestOpts = {
-        qs: opts,
-        converter: FileResultStreamConverter
-      }
-      const fileName = decodeURIComponent(parsedUrl.pathname.split('/').pop())
-
-      sendOneFile({
-        content: res,
-        path: fileName
-      }, requestOpts, callback)
-    }
-  })
-
-  req.once('error', callback)
-
-  req.end()
-}
diff --git a/src/files-regular/add-pull-stream.js b/src/files-regular/add-pull-stream.js
deleted file mode 100644
index 2076ffa8d..000000000
--- a/src/files-regular/add-pull-stream.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict'
-
-const SendFilesStream = require('../utils/send-files-stream')
-const FileResultStreamConverter = require('../utils/file-result-stream-converter')
-const toPull = require('stream-to-pull-stream')
-
-module.exports = (send) => {
-  return (options) => {
-    options = options || {}
-    options.converter = FileResultStreamConverter
-    return toPull(SendFilesStream(send, 'add')({ qs: options }))
-  }
-}
diff --git a/src/files-regular/add-readable-stream.js b/src/files-regular/add-readable-stream.js
deleted file mode 100644
index 320abe692..000000000
--- a/src/files-regular/add-readable-stream.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict'
-
-const SendFilesStream = require('../utils/send-files-stream')
-const FileResultStreamConverter = require('../utils/file-result-stream-converter')
-
-module.exports = (send) => {
-  return (options) => {
-    options = options || {}
-    options.converter = FileResultStreamConverter
-    return SendFilesStream(send, 'add')(options)
-  }
-}
diff --git a/src/files-regular/add.js b/src/files-regular/add.js
deleted file mode 100644
index c5506b48b..000000000
--- a/src/files-regular/add.js
+++ /dev/null
@@ -1,69 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const ConcatStream = require('concat-stream')
-const once = require('once')
-const isStream = require('is-stream')
-const isSource = require('is-pull-stream').isSource
-const FileResultStreamConverter = require('../utils/file-result-stream-converter')
-const SendFilesStream = require('../utils/send-files-stream')
-
-module.exports = (send) => {
-  const createAddStream = SendFilesStream(send, 'add')
-
-  const add = promisify((_files, options, _callback) => {
-    if (typeof options === 'function') {
-      _callback = options
-      options = null
-    }
-
-    const callback = once(_callback)
-
-    if (!options) {
-      options = {}
-    }
-    options.converter = FileResultStreamConverter
-
-    // Buffer, pull stream or Node.js stream
-    const isBufferOrStream = obj => Buffer.isBuffer(obj) || isStream.readable(obj) || isSource(obj)
-    // An object like { content?, path? }, where content isBufferOrStream and path isString
-    const isContentObject = obj => {
-      if (typeof obj !== 'object') return false
-      // path is optional if content is present
-      if (obj.content) return isBufferOrStream(obj.content)
-      // path must be a non-empty string if no content
-      return Boolean(obj.path) && typeof obj.path === 'string'
-    }
-    // An input atom: a buffer, stream or content object
-    const isInput = obj => isBufferOrStream(obj) || isContentObject(obj)
-    // All is ok if data isInput or data is an array of isInput
-    const ok = isInput(_files) || (Array.isArray(_files) && _files.every(isInput))
-
-    if (!ok) {
-      return callback(new Error('invalid input: expected buffer, readable stream, pull stream, object or array of objects'))
-    }
-
-    const files = [].concat(_files)
-
-    const stream = createAddStream({ qs: options })
-    const concat = ConcatStream((result) => callback(null, result))
-    stream.once('error', callback)
-    stream.pipe(concat)
-
-    files.forEach((file) => stream.write(file))
-    stream.end()
-  })
-
-  return function () {
-    const args = Array.from(arguments)
-
-    // If we files.add(<pull stream>), then promisify thinks the pull stream is
-    // a callback! Add an empty options object in this case so that a promise
-    // is returned.
-    if (args.length === 1 && isSource(args[0])) {
-      args.push({})
-    }
-
-    return add.apply(null, args)
-  }
-}
diff --git a/src/files-regular/cat-pull-stream.js b/src/files-regular/cat-pull-stream.js
deleted file mode 100644
index 364f566d2..000000000
--- a/src/files-regular/cat-pull-stream.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict'
-
-const cleanCID = require('../utils/clean-cid')
-const v = require('is-ipfs')
-const toPull = require('stream-to-pull-stream')
-const deferred = require('pull-defer')
-
-module.exports = (send) => {
-  return (hash, opts) => {
-    opts = opts || {}
-
-    const p = deferred.source()
-
-    try {
-      hash = cleanCID(hash)
-    } catch (err) {
-      if (!v.ipfsPath(hash)) {
-        return p.end(err)
-      }
-    }
-
-    const query = {
-      offset: opts.offset,
-      length: opts.length
-    }
-
-    send({ path: 'cat', args: hash, buffer: opts.buffer, qs: query }, (err, stream) => {
-      if (err) { return p.end(err) }
-
-      p.resolve(toPull(stream))
-    })
-
-    return p
-  }
-}
diff --git a/src/files-regular/cat-readable-stream.js b/src/files-regular/cat-readable-stream.js
deleted file mode 100644
index 58ca69c67..000000000
--- a/src/files-regular/cat-readable-stream.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict'
-
-const cleanCID = require('../utils/clean-cid')
-const v = require('is-ipfs')
-const Stream = require('readable-stream')
-const pump = require('pump')
-
-module.exports = (send) => {
-  return (hash, opts) => {
-    opts = opts || {}
-
-    const pt = new Stream.PassThrough()
-
-    try {
-      hash = cleanCID(hash)
-    } catch (err) {
-      if (!v.ipfsPath(hash)) {
-        return pt.destroy(err)
-      }
-    }
-
-    const query = {
-      offset: opts.offset,
-      length: opts.length
-    }
-
-    send({ path: 'cat', args: hash, buffer: opts.buffer, qs: query }, (err, stream) => {
-      if (err) { return pt.destroy(err) }
-
-      pump(stream, pt)
-    })
-
-    return pt
-  }
-}
diff --git a/src/files-regular/cat.js b/src/files-regular/cat.js
deleted file mode 100644
index ff468eb34..000000000
--- a/src/files-regular/cat.js
+++ /dev/null
@@ -1,38 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const cleanCID = require('../utils/clean-cid')
-const v = require('is-ipfs')
-const bl = require('bl')
-
-module.exports = (send) => {
-  return promisify((hash, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    try {
-      hash = cleanCID(hash)
-    } catch (err) {
-      if (!v.ipfsPath(hash)) {
-        return callback(err)
-      }
-    }
-
-    const query = {
-      offset: opts.offset,
-      length: opts.length
-    }
-
-    send({ path: 'cat', args: hash, buffer: opts.buffer, qs: query }, (err, stream) => {
-      if (err) { return callback(err) }
-
-      stream.pipe(bl((err, data) => {
-        if (err) { return callback(err) }
-
-        callback(null, data)
-      }))
-    })
-  })
-}
diff --git a/src/files-regular/get-pull-stream.js b/src/files-regular/get-pull-stream.js
deleted file mode 100644
index 4b2ede770..000000000
--- a/src/files-regular/get-pull-stream.js
+++ /dev/null
@@ -1,44 +0,0 @@
-'use strict'
-
-const cleanCID = require('../utils/clean-cid')
-const TarStreamToObjects = require('../utils/tar-stream-to-objects')
-const v = require('is-ipfs')
-const pull = require('pull-stream/pull')
-const map = require('pull-stream/throughs/map')
-const toPull = require('stream-to-pull-stream')
-const deferred = require('pull-defer')
-
-module.exports = (send) => {
-  return (path, opts) => {
-    opts = opts || {}
-
-    const p = deferred.source()
-
-    try {
-      path = cleanCID(path)
-    } catch (err) {
-      if (!v.ipfsPath(path)) {
-        return p.end(err)
-      }
-    }
-
-    const request = { path: 'get', args: path, qs: opts }
-
-    // Convert the response stream to TarStream objects
-    send.andTransform(request, TarStreamToObjects, (err, stream) => {
-      if (err) { return p.end(err) }
-
-      p.resolve(
-        pull(
-          toPull.source(stream),
-          map(file => {
-            const { path, content } = file
-            return content ? { path, content: toPull.source(content) } : file
-          })
-        )
-      )
-    })
-
-    return p
-  }
-}
diff --git a/src/files-regular/get-readable-stream.js b/src/files-regular/get-readable-stream.js
deleted file mode 100644
index 0bace519f..000000000
--- a/src/files-regular/get-readable-stream.js
+++ /dev/null
@@ -1,34 +0,0 @@
-'use strict'
-
-const cleanCID = require('../utils/clean-cid')
-const TarStreamToObjects = require('../utils/tar-stream-to-objects')
-const v = require('is-ipfs')
-const Stream = require('readable-stream')
-const pump = require('pump')
-
-module.exports = (send) => {
-  return (path, opts) => {
-    opts = opts || {}
-
-    const pt = new Stream.PassThrough({ objectMode: true })
-
-    try {
-      path = cleanCID(path)
-    } catch (err) {
-      if (!v.ipfsPath(path)) {
-        return pt.destroy(err)
-      }
-    }
-
-    const request = { path: 'get', args: path, qs: opts }
-
-    // Convert the response stream to TarStream objects
-    send.andTransform(request, TarStreamToObjects, (err, stream) => {
-      if (err) { return pt.destroy(err) }
-
-      pump(stream, pt)
-    })
-
-    return pt
-  }
-}
diff --git a/src/files-regular/get.js b/src/files-regular/get.js
deleted file mode 100644
index 045158d88..000000000
--- a/src/files-regular/get.js
+++ /dev/null
@@ -1,52 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const cleanCID = require('../utils/clean-cid')
-const TarStreamToObjects = require('../utils/tar-stream-to-objects')
-const concat = require('concat-stream')
-const through = require('through2')
-const v = require('is-ipfs')
-
-module.exports = (send) => {
-  return promisify((path, opts, callback) => {
-    if (typeof opts === 'function' && !callback) {
-      callback = opts
-      opts = {}
-    }
-
-    // opts is the real callback --
-    // 'callback' is being injected by promisify
-    if (typeof opts === 'function' && typeof callback === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    try {
-      path = cleanCID(path)
-    } catch (err) {
-      if (!v.ipfsPath(path)) {
-        return callback(err)
-      }
-    }
-
-    const request = { path: 'get', args: path, qs: opts }
-
-    // Convert the response stream to TarStream objects
-    send.andTransform(request, TarStreamToObjects, (err, stream) => {
-      if (err) { return callback(err) }
-
-      const files = []
-
-      stream.pipe(through.obj((file, enc, next) => {
-        if (file.content) {
-          file.content.pipe(concat((content) => {
-            files.push({ path: file.path, content: content })
-          }))
-        } else {
-          files.push(file)
-        }
-        next()
-      }, () => callback(null, files)))
-    })
-  })
-}
diff --git a/src/files-regular/index.js b/src/files-regular/index.js
deleted file mode 100644
index a52e7505a..000000000
--- a/src/files-regular/index.js
+++ /dev/null
@@ -1,25 +0,0 @@
-'use strict'
-
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    add: require('../files-regular/add')(send),
-    addReadableStream: require('../files-regular/add-readable-stream')(send),
-    addPullStream: require('../files-regular/add-pull-stream')(send),
-    addFromFs: require('../files-regular/add-from-fs')(send),
-    addFromURL: require('../files-regular/add-from-url')(send),
-    addFromStream: require('../files-regular/add')(send),
-    cat: require('../files-regular/cat')(send),
-    catReadableStream: require('../files-regular/cat-readable-stream')(send),
-    catPullStream: require('../files-regular/cat-pull-stream')(send),
-    get: require('../files-regular/get')(send),
-    getReadableStream: require('../files-regular/get-readable-stream')(send),
-    getPullStream: require('../files-regular/get-pull-stream')(send),
-    ls: require('../files-regular/ls')(send),
-    lsReadableStream: require('../files-regular/ls-readable-stream')(send),
-    lsPullStream: require('../files-regular/ls-pull-stream')(send)
-  }
-}
diff --git a/src/files-regular/ls-pull-stream.js b/src/files-regular/ls-pull-stream.js
deleted file mode 100644
index d1e238df0..000000000
--- a/src/files-regular/ls-pull-stream.js
+++ /dev/null
@@ -1,74 +0,0 @@
-'use strict'
-
-const moduleConfig = require('../utils/module-config')
-const values = require('pull-stream/sources/values')
-const deferred = require('pull-defer')
-const IsIpfs = require('is-ipfs')
-const cleanCID = require('../utils/clean-cid')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return (args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    try {
-      args = cleanCID(args)
-    } catch (err) {
-      if (!IsIpfs.ipfsPath(args)) {
-        return callback(err)
-      }
-    }
-
-    const p = deferred.source()
-
-    send({ path: 'ls', args: args, qs: opts }, (err, results) => {
-      if (err) {
-        return callback(err)
-      }
-
-      let result = results.Objects
-      if (!result) {
-        return callback(new Error('expected .Objects in results'))
-      }
-
-      result = result[0]
-      if (!result) {
-        return callback(new Error('expected one array in results.Objects'))
-      }
-
-      result = result.Links
-      if (!Array.isArray(result)) {
-        return callback(new Error('expected one array in results.Objects[0].Links'))
-      }
-
-      result = result.map((link) => ({
-        depth: 1,
-        name: link.Name,
-        path: args + '/' + link.Name,
-        size: link.Size,
-        hash: link.Hash,
-        type: typeOf(link)
-      }))
-
-      p.resolve(values(result))
-    })
-
-    return p
-  }
-}
-
-function typeOf (link) {
-  switch (link.Type) {
-    case 1:
-    case 5:
-      return 'dir'
-    case 2:
-      return 'file'
-    default:
-      return 'unknown'
-  }
-}
diff --git a/src/files-regular/ls-readable-stream.js b/src/files-regular/ls-readable-stream.js
deleted file mode 100644
index 7ee980e31..000000000
--- a/src/files-regular/ls-readable-stream.js
+++ /dev/null
@@ -1,72 +0,0 @@
-'use strict'
-
-const moduleConfig = require('../utils/module-config')
-const Stream = require('readable-stream')
-const IsIpfs = require('is-ipfs')
-const cleanCID = require('../utils/clean-cid')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return (args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    try {
-      args = cleanCID(args)
-    } catch (err) {
-      if (!IsIpfs.ipfsPath(args)) {
-        return callback(err)
-      }
-    }
-
-    const pt = new Stream.PassThrough({ objectMode: true })
-
-    send({ path: 'ls', args: args, qs: opts }, (err, results) => {
-      if (err) { return callback(err) }
-
-      let result = results.Objects
-      if (!result) {
-        return callback(new Error('expected .Objects in results'))
-      }
-
-      result = result[0]
-      if (!result) {
-        return callback(new Error('expected one array in results.Objects'))
-      }
-
-      result = result.Links
-      if (!Array.isArray(result)) {
-        return callback(new Error('expected one array in results.Objects[0].Links'))
-      }
-
-      result = result.map((link) => ({
-        depth: 1,
-        name: link.Name,
-        path: args + '/' + link.Name,
-        size: link.Size,
-        hash: link.Hash,
-        type: typeOf(link)
-      }))
-
-      result.forEach((item) => pt.write(item))
-      pt.end()
-    })
-
-    return pt
-  }
-}
-
-function typeOf (link) {
-  switch (link.Type) {
-    case 1:
-    case 5:
-      return 'dir'
-    case 2:
-      return 'file'
-    default:
-      return 'unknown'
-  }
-}
diff --git a/src/files-regular/ls.js b/src/files-regular/ls.js
deleted file mode 100644
index 8fbc2d16e..000000000
--- a/src/files-regular/ls.js
+++ /dev/null
@@ -1,73 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const IsIpfs = require('is-ipfs')
-const moduleConfig = require('../utils/module-config')
-const cleanCID = require('../utils/clean-cid')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    try {
-      args = cleanCID(args)
-    } catch (err) {
-      if (!IsIpfs.ipfsPath(args)) {
-        return callback(err)
-      }
-    }
-
-    send({
-      path: 'ls',
-      args: args,
-      qs: opts
-    }, (err, results) => {
-      if (err) {
-        return callback(err)
-      }
-
-      let result = results.Objects
-      if (!result) {
-        return callback(new Error('expected .Objects in results'))
-      }
-
-      result = result[0]
-      if (!result) {
-        return callback(new Error('expected one array in results.Objects'))
-      }
-
-      result = result.Links
-      if (!Array.isArray(result)) {
-        return callback(new Error('expected one array in results.Objects[0].Links'))
-      }
-
-      result = result.map((link) => ({
-        name: link.Name,
-        path: args + '/' + link.Name,
-        size: link.Size,
-        hash: link.Hash,
-        type: typeOf(link),
-        depth: link.Depth || 1
-      }))
-
-      callback(null, result)
-    })
-  })
-}
-
-function typeOf (link) {
-  switch (link.Type) {
-    case 1:
-    case 5:
-      return 'dir'
-    case 2:
-      return 'file'
-    default:
-      return 'unknown'
-  }
-}
diff --git a/src/files/chmod.js b/src/files/chmod.js
new file mode 100644
index 000000000..3979d4622
--- /dev/null
+++ b/src/files/chmod.js
@@ -0,0 +1,24 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const modeToString = require('../lib/mode-to-string')
+
+module.exports = configure(({ ky }) => {
+  return function chmod (path, mode, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.append('arg', path)
+    searchParams.append('mode', modeToString(mode))
+    if (options.flush != null) searchParams.set('flush', options.flush)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.parents != null) searchParams.set('parents', options.parents)
+
+    return ky.post('files/chmod', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/files/cp.js b/src/files/cp.js
new file mode 100644
index 000000000..ce68aa588
--- /dev/null
+++ b/src/files/cp.js
@@ -0,0 +1,25 @@
+'use strict'
+
+const CID = require('cids')
+const configure = require('../lib/configure')
+const { findSources } = require('./utils')
+
+module.exports = configure(({ ky }) => {
+  return (...args) => {
+    const { sources, options } = findSources(args)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    sources.forEach(src => searchParams.append('arg', CID.isCID(src) ? `/ipfs/${src}` : src))
+    if (options.flush != null) searchParams.set('flush', options.flush)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
+
+    return ky.post('files/cp', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/files/flush.js b/src/files/flush.js
new file mode 100644
index 000000000..34e725814
--- /dev/null
+++ b/src/files/flush.js
@@ -0,0 +1,27 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const CID = require('cids')
+
+module.exports = configure(({ ky }) => {
+  return async (path, options) => {
+    if (typeof path !== 'string') {
+      options = path
+      path = '/'
+    }
+
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', path)
+
+    const res = await ky.post('files/flush', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return new CID(res.Cid)
+  }
+})
diff --git a/src/files/index.js b/src/files/index.js
new file mode 100644
index 000000000..5dbf395a2
--- /dev/null
+++ b/src/files/index.js
@@ -0,0 +1,15 @@
+'use strict'
+
+module.exports = config => ({
+  chmod: require('./chmod')(config),
+  cp: require('./cp')(config),
+  mkdir: require('./mkdir')(config),
+  flush: require('./flush')(config),
+  stat: require('./stat')(config),
+  rm: require('./rm')(config),
+  ls: require('./ls')(config),
+  read: require('./read')(config),
+  touch: require('./touch')(config),
+  write: require('./write')(config),
+  mv: require('./mv')(config)
+})
diff --git a/src/files/ls.js b/src/files/ls.js
new file mode 100644
index 000000000..f07c65c09
--- /dev/null
+++ b/src/files/ls.js
@@ -0,0 +1,50 @@
+'use strict'
+
+const CID = require('cids')
+const ndjson = require('iterable-ndjson')
+const toIterable = require('stream-to-it/source')
+const configure = require('../lib/configure')
+const toCamelWithMetadata = require('../lib/object-to-camel-with-metadata')
+
+module.exports = configure(({ ky }) => {
+  return async function * ls (path, options) {
+    if (typeof path !== 'string') {
+      options = path
+      path = '/'
+    }
+
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', CID.isCID(path) ? `/ipfs/${path}` : path)
+    searchParams.set('stream', options.stream == null ? true : options.stream)
+    if (options.cidBase) searchParams.set('cid-base', options.cidBase)
+    searchParams.set('long', options.long == null ? true : options.long)
+    // TODO: remove after go-ipfs 0.5 is released
+    searchParams.set('l', options.long == null ? true : options.long)
+
+    const res = await ky.post('files/ls', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const result of ndjson(toIterable(res.body))) {
+      // go-ipfs does not yet support the "stream" option
+      if ('Entries' in result) {
+        for (const entry of result.Entries || []) {
+          yield toCoreInterface(toCamelWithMetadata(entry))
+        }
+      } else {
+        yield toCoreInterface(toCamelWithMetadata(result))
+      }
+    }
+  }
+})
+
+function toCoreInterface (entry) {
+  if (entry.hash) entry.cid = new CID(entry.hash)
+  delete entry.hash
+  return entry
+}
diff --git a/src/files/mkdir.js b/src/files/mkdir.js
new file mode 100644
index 000000000..7083d4b40
--- /dev/null
+++ b/src/files/mkdir.js
@@ -0,0 +1,35 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const modeToString = require('../lib/mode-to-string')
+const mtimeToObject = require('../lib/mtime-to-object')
+
+module.exports = configure(({ ky }) => {
+  return (path, options) => {
+    options = options || {}
+    const mtime = mtimeToObject(options.mtime)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.append('arg', path)
+    if (options.cidVersion != null) searchParams.set('cid-version', options.cidVersion)
+    if (options.flush != null) searchParams.set('flush', options.flush)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
+    if (mtime) {
+      searchParams.set('mtime', mtime.secs)
+
+      if (mtime.nsecs != null) {
+        searchParams.set('mtimeNsecs', mtime.nsecs)
+      }
+    }
+    if (options.mode != null) searchParams.set('mode', modeToString(options.mode))
+
+    return ky.post('files/mkdir', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/files/mv.js b/src/files/mv.js
new file mode 100644
index 000000000..5b0efbc89
--- /dev/null
+++ b/src/files/mv.js
@@ -0,0 +1,25 @@
+'use strict'
+
+const CID = require('cids')
+const configure = require('../lib/configure')
+const { findSources } = require('./utils')
+
+module.exports = configure(({ ky }) => {
+  return (...args) => {
+    const { sources, options } = findSources(args)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    sources.forEach(src => searchParams.append('arg', CID.isCID(src) ? `/ipfs/${src}` : src))
+    if (options.flush != null) searchParams.set('flush', options.flush)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
+
+    return ky.post('files/mv', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/files/read.js b/src/files/read.js
new file mode 100644
index 000000000..1800609d0
--- /dev/null
+++ b/src/files/read.js
@@ -0,0 +1,27 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+
+module.exports = configure(({ ky }) => {
+  return async function * read (path, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.append('arg', `${path}`)
+    if (options.length != null) searchParams.set('length', options.length)
+    if (options.offset != null) searchParams.set('offset', options.offset)
+
+    const res = await ky.post('files/read', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const chunk of toIterable(res.body)) {
+      yield Buffer.from(chunk)
+    }
+  }
+})
diff --git a/src/files/rm.js b/src/files/rm.js
new file mode 100644
index 000000000..ebfbd4061
--- /dev/null
+++ b/src/files/rm.js
@@ -0,0 +1,22 @@
+'use strict'
+
+const configure = require('../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return (path, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.append('arg', path)
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+    if (options.force != null) searchParams.set('force', options.force)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
+
+    return ky.post('files/rm', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/files/stat.js b/src/files/stat.js
new file mode 100644
index 000000000..0d8c9caa1
--- /dev/null
+++ b/src/files/stat.js
@@ -0,0 +1,39 @@
+'use strict'
+
+const CID = require('cids')
+const configure = require('../lib/configure')
+const toCamelWithMetadata = require('../lib/object-to-camel-with-metadata')
+
+module.exports = configure(({ ky }) => {
+  return async (path, options) => {
+    if (typeof path !== 'string') {
+      options = path
+      path = '/'
+    }
+
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', path)
+    if (options.cidBase) searchParams.set('cid-base', options.cidBase)
+    if (options.hash != null) searchParams.set('hash', options.hash)
+    if (options.size != null) searchParams.set('size', options.size)
+    if (options.withLocal != null) searchParams.set('with-local', options.withLocal)
+
+    const res = await ky.post('files/stat', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    res.WithLocality = res.WithLocality || false
+    return toCoreInterface(toCamelWithMetadata(res))
+  }
+})
+
+function toCoreInterface (entry) {
+  entry.cid = new CID(entry.hash)
+  delete entry.hash
+  return entry
+}
diff --git a/src/files/touch.js b/src/files/touch.js
new file mode 100644
index 000000000..c4189ecab
--- /dev/null
+++ b/src/files/touch.js
@@ -0,0 +1,28 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const mtimeToObject = require('../lib/mtime-to-object')
+
+module.exports = configure(({ ky }) => {
+  return function touch (path, options) {
+    options = options || {}
+    const mtime = mtimeToObject(options.mtime)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.append('arg', path)
+    if (mtime) {
+      searchParams.set('mtime', mtime.secs)
+      searchParams.set('mtimeNsecs', mtime.nsecs)
+    }
+    if (options.flush != null) searchParams.set('flush', options.flush)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.parents != null) searchParams.set('parents', options.parents)
+
+    return ky.post('files/touch', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/utils/find-sources.js b/src/files/utils.js
similarity index 50%
rename from src/utils/find-sources.js
rename to src/files/utils.js
index 2a862514a..6dc2c499d 100644
--- a/src/utils/find-sources.js
+++ b/src/files/utils.js
@@ -1,25 +1,23 @@
 'use strict'
 
-module.exports = (args) => {
-  const callback = args.pop()
-  let opts = {}
+exports.findSources = (args) => {
+  let options = {}
   let sources = []
 
   if (!Array.isArray(args[args.length - 1]) && typeof args[args.length - 1] === 'object') {
-    opts = args.pop()
+    options = args.pop()
   }
 
   if (args.length === 1 && Array.isArray(args[0])) {
-    // support ipfs.file.cp([src, dest], opts, cb)
+    // support ipfs.files.cp([src, dest], opts)
     sources = args[0]
   } else {
-    // support ipfs.file.cp(src, dest, opts, cb) and ipfs.file.cp(src1, src2, dest, opts, cb)
+    // support ipfs.files.cp(src, dest, opts) and ipfs.files.cp(src1, src2, dest, opts)
     sources = args
   }
 
   return {
-    callback,
     sources,
-    opts
+    options
   }
 }
diff --git a/src/files/write.js b/src/files/write.js
new file mode 100644
index 000000000..a91c920a7
--- /dev/null
+++ b/src/files/write.js
@@ -0,0 +1,47 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const toFormData = require('../lib/buffer-to-form-data')
+const modeToString = require('../lib/mode-to-string')
+const mtimeToObject = require('../lib/mtime-to-object')
+
+module.exports = configure(({ ky }) => {
+  return async (path, input, options) => {
+    options = options || {}
+    const mtime = mtimeToObject(options.mtime)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', path)
+    searchParams.set('stream-channels', true)
+    if (options.cidVersion) searchParams.set('cid-version', options.cidVersion)
+    if (options.create != null) searchParams.set('create', options.create)
+    if (options.hashAlg) searchParams.set('hash', options.hashAlg)
+    if (options.length != null) searchParams.set('length', options.length)
+    if (options.offset != null) searchParams.set('offset', options.offset)
+    if (options.parents != null) searchParams.set('parents', options.parents)
+    if (options.rawLeaves != null) searchParams.set('raw-leaves', options.rawLeaves)
+    if (options.truncate != null) searchParams.set('truncate', options.truncate)
+    if (options.shardSplitThreshold != null) searchParams.set('shardSplitThreshold', options.shardSplitThreshold)
+    if (mtime) {
+      searchParams.set('mtime', mtime.secs)
+
+      if (mtime.nsecs != null) {
+        searchParams.set('mtimeNsecs', mtime.nsecs)
+      }
+    }
+
+    const res = await ky.post('files/write', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams,
+      body: toFormData(input, {
+        mode: options.mode != null ? modeToString(options.mode) : undefined,
+        mtime: mtime ? mtime.secs : undefined,
+        mtimeNsecs: mtime ? mtime.nsecs : undefined
+      }) // TODO: support inputs other than buffer as per spec
+    })
+
+    return res.text()
+  }
+})
diff --git a/src/get-endpoint-config.js b/src/get-endpoint-config.js
index a4f0c80e1..cf7125e70 100644
--- a/src/get-endpoint-config.js
+++ b/src/get-endpoint-config.js
@@ -1,10 +1,13 @@
 'use strict'
 
-module.exports = (config) => {
+const configure = require('./lib/configure')
+
+module.exports = configure(({ apiAddr, apiPath }) => {
+  const url = new URL(apiAddr)
   return () => ({
-    host: config.host,
-    port: config.port,
-    protocol: config.protocol,
-    'api-path': config['api-path']
+    host: url.hostname,
+    port: url.port,
+    protocol: url.protocol.split(':')[0], // remove ":"
+    'api-path': apiPath
   })
-}
+})
diff --git a/src/get.js b/src/get.js
new file mode 100644
index 000000000..635f8b34f
--- /dev/null
+++ b/src/get.js
@@ -0,0 +1,54 @@
+'use strict'
+
+const configure = require('./lib/configure')
+const Tar = require('it-tar')
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const toIterable = require('stream-to-it/source')
+
+module.exports = configure(({ ky }) => {
+  return async function * get (path, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams()
+    searchParams.set('arg', `${Buffer.isBuffer(path) ? new CID(path) : path}`)
+
+    if (options.compress !== undefined) {
+      searchParams.set('compress', options.compress)
+    }
+
+    if (options.compressionLevel !== undefined) {
+      searchParams.set('compression-level', options.compressionLevel)
+    }
+
+    if (options.offset) {
+      searchParams.set('offset', options.offset)
+    }
+
+    if (options.length) {
+      searchParams.set('length', options.length)
+    }
+
+    const res = await ky.post('get', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    const extractor = Tar.extract()
+
+    for await (const { header, body } of extractor(toIterable(res.body))) {
+      if (header.type === 'directory') {
+        yield {
+          path: header.name
+        }
+      } else {
+        yield {
+          path: header.name,
+          content: body
+        }
+      }
+    }
+  }
+})
diff --git a/src/id.js b/src/id.js
index 1db0f7a0c..cfec69d3d 100644
--- a/src/id.js
+++ b/src/id.js
@@ -1,31 +1,26 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
+const configure = require('./lib/configure')
+const toCamel = require('./lib/object-to-camel')
+const multiaddr = require('multiaddr')
 
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-  return promisify((opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = undefined
+    const res = await ky.post('id', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+
+    const output = toCamel(res)
+
+    if (output.addresses) {
+      output.addresses = output.addresses.map(ma => multiaddr(ma))
     }
-    send({
-      path: 'id',
-      args: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-      const identity = {
-        id: result.ID,
-        publicKey: result.PublicKey,
-        addresses: result.Addresses,
-        agentVersion: result.AgentVersion,
-        protocolVersion: result.ProtocolVersion
-      }
-      callback(null, identity)
-    })
-  })
-}
+
+    return output
+  }
+})
diff --git a/src/index.js b/src/index.js
index ddd0e3e37..320a5a9a8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,75 +1,51 @@
 'use strict'
-/* global self */
 
-const isIPFS = require('is-ipfs')
+const { Buffer } = require('buffer')
 const CID = require('cids')
 const multiaddr = require('multiaddr')
 const multibase = require('multibase')
 const multicodec = require('multicodec')
 const multihash = require('multihashes')
-const PeerId = require('peer-id')
-const PeerInfo = require('peer-info')
-const loadCommands = require('./utils/load-commands')
-const getConfig = require('./utils/default-config')
-const sendRequest = require('./utils/send-request')
+const globSource = require('ipfs-utils/src/files/glob-source')
+const urlSource = require('ipfs-utils/src/files/url-source')
 
-function ipfsClient (hostOrMultiaddr, port, userOptions) {
-  // convert all three params to objects that we can merge.
-  let options = {}
-
-  if (!hostOrMultiaddr) {
-    // autoconfigure host and port in browser
-    if (typeof self !== 'undefined') {
-      options = urlToOptions(self.location)
-    }
-  } else if (multiaddr.isMultiaddr(hostOrMultiaddr)) {
-    options = maToOptions(hostOrMultiaddr)
-  } else if (typeof hostOrMultiaddr === 'object') {
-    options = hostOrMultiaddr
-  } else if (typeof hostOrMultiaddr === 'string') {
-    if (hostOrMultiaddr[0] === '/') {
-      // throws if multiaddr is malformed or can't be converted to a nodeAddress
-      options = maToOptions(multiaddr(hostOrMultiaddr))
-    } else {
-      // hostOrMultiaddr is domain or ip address as a string
-      options.host = hostOrMultiaddr
-    }
-  }
-
-  if (port && typeof port !== 'object') {
-    port = { port: port }
-  }
-
-  const config = Object.assign(getConfig(), options, port, userOptions)
-  const requestAPI = sendRequest(config)
-  const cmds = loadCommands(requestAPI, config)
-  cmds.send = requestAPI
-
-  return cmds
-}
-
-function maToOptions (multiaddr) {
-  // ma.nodeAddress() throws if multiaddr can't be converted to a nodeAddress
-  const nodeAddr = multiaddr.nodeAddress()
-  const protos = multiaddr.protos()
-  // only http and https are allowed as protocol,
-  // anything else will be replaced with http
-  const exitProtocol = protos[protos.length - 1].name
+function ipfsClient (config) {
   return {
-    host: nodeAddr.address,
-    port: nodeAddr.port,
-    protocol: exitProtocol.startsWith('http') ? exitProtocol : 'http'
+    add: require('./add')(config),
+    bitswap: require('./bitswap')(config),
+    block: require('./block')(config),
+    bootstrap: require('./bootstrap')(config),
+    cat: require('./cat')(config),
+    commands: require('./commands')(config),
+    config: require('./config')(config),
+    dag: require('./dag')(config),
+    dht: require('./dht')(config),
+    diag: require('./diag')(config),
+    dns: require('./dns')(config),
+    files: require('./files')(config),
+    get: require('./get')(config),
+    getEndpointConfig: require('./get-endpoint-config')(config),
+    id: require('./id')(config),
+    key: require('./key')(config),
+    log: require('./log')(config),
+    ls: require('./ls')(config),
+    mount: require('./mount')(config),
+    name: require('./name')(config),
+    object: require('./object')(config),
+    pin: require('./pin')(config),
+    ping: require('./ping')(config),
+    pubsub: require('./pubsub')(config),
+    refs: require('./refs')(config),
+    repo: require('./repo')(config),
+    resolve: require('./resolve')(config),
+    stats: require('./stats')(config),
+    stop: require('./stop')(config),
+    shutdown: require('./stop')(config),
+    swarm: require('./swarm')(config),
+    version: require('./version')(config)
   }
 }
 
-function urlToOptions (url) {
-  return {
-    host: url.hostname,
-    port: url.port || (url.protocol.startsWith('https') ? 443 : 80),
-    protocol: url.protocol.startsWith('http') ? url.protocol.split(':')[0] : 'http'
-  }
-}
+Object.assign(ipfsClient, { Buffer, CID, multiaddr, multibase, multicodec, multihash, globSource, urlSource })
 
 module.exports = ipfsClient
-
-Object.assign(module.exports, { isIPFS, Buffer, CID, multiaddr, multibase, multicodec, multihash, PeerId, PeerInfo })
diff --git a/src/key/export.js b/src/key/export.js
index f19db4022..b5f315580 100644
--- a/src/key/export.js
+++ b/src/key/export.js
@@ -1,16 +1,25 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((name, password, callback) => {
-    send({
-      path: 'key/export',
-      args: name,
-      qs: { password: password }
-    }, (err, pem) => {
-      if (err) return callback(err)
-      callback(null, pem.toString())
-    })
-  })
-}
+module.exports = configure(({ ky }) => {
+  return (name, password, options) => {
+    if (typeof password !== 'string') {
+      options = password
+      password = null
+    }
+
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', name)
+    if (password) searchParams.set('password', password)
+
+    return ky.post('key/export', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).text()
+  }
+})
diff --git a/src/key/gen.js b/src/key/gen.js
index 38612d9af..5fd6acb86 100644
--- a/src/key/gen.js
+++ b/src/key/gen.js
@@ -1,25 +1,24 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    id: res.Id,
-    name: res.Name
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (name, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', name)
+    if (options.type) searchParams.set('type', options.type)
+    if (options.size != null) searchParams.set('size', options.size)
 
-    send.andTransform({
-      path: 'key/gen',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
+    const res = await ky.post('key/gen', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/key/import.js b/src/key/import.js
index 9cea80e27..7cc8f5ddc 100644
--- a/src/key/import.js
+++ b/src/key/import.js
@@ -1,23 +1,29 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    id: res.Id,
-    name: res.Name
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (name, pem, password, options) => {
+    if (typeof password !== 'string') {
+      options = password
+      password = null
+    }
 
-module.exports = (send) => {
-  return promisify((name, pem, password, callback) => {
-    send.andTransform({
-      path: 'key/import',
-      args: name,
-      qs: {
-        pem: pem,
-        password: password
-      }
-    }, transform, callback)
-  })
-}
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', name)
+    searchParams.set('pem', pem)
+    if (password) searchParams.set('password', password)
+
+    const res = await ky.post('key/import', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/key/index.js b/src/key/index.js
index 717d719c3..de12c732c 100644
--- a/src/key/index.js
+++ b/src/key/index.js
@@ -1,16 +1,10 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    gen: require('./gen')(send),
-    list: require('./list')(send),
-    rename: require('./rename')(send),
-    rm: require('./rm')(send),
-    export: require('./export')(send),
-    import: require('./import')(send)
-  }
-}
+module.exports = config => ({
+  gen: require('./gen')(config),
+  list: require('./list')(config),
+  rename: require('./rename')(config),
+  rm: require('./rm')(config),
+  export: require('./export')(config),
+  import: require('./import')(config)
+})
diff --git a/src/key/list.js b/src/key/list.js
index bcd9bc8e2..80e5069aa 100644
--- a/src/key/list.js
+++ b/src/key/list.js
@@ -1,26 +1,19 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, res.Keys.map(key => {
-    return {
-      id: key.Id,
-      name: key.Name
-    }
-  }))
-}
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const res = await ky.post('key/list', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
 
-    send.andTransform({
-      path: 'key/list',
-      qs: opts
-    }, transform, callback)
-  })
-}
+    return (res.Keys || []).map(k => toCamel(k))
+  }
+})
diff --git a/src/key/rename.js b/src/key/rename.js
index 68b45f010..18e069768 100644
--- a/src/key/rename.js
+++ b/src/key/rename.js
@@ -1,21 +1,24 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    id: res.Id,
-    was: res.Was,
-    now: res.Now,
-    overwrite: res.Overwrite
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (oldName, newName, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((oldName, newName, callback) => {
-    send.andTransform({
-      path: 'key/rename',
-      args: [oldName, newName]
-    }, transform, callback)
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', oldName)
+    searchParams.append('arg', newName)
+    if (options.force != null) searchParams.set('force', options.force)
+
+    const res = await ky.post('key/rename', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/key/rm.js b/src/key/rm.js
index 7e4e98500..edab61060 100644
--- a/src/key/rm.js
+++ b/src/key/rm.js
@@ -1,19 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    id: res.Keys[0].Id,
-    name: res.Keys[0].Name
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (name, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((args, callback) => {
-    send.andTransform({
-      path: 'key/rm',
-      args: args
-    }, transform, callback)
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', name)
+
+    const res = await ky.post('key/rm', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res.Keys[0])
+  }
+})
diff --git a/src/lib/buffer-to-form-data.browser.js b/src/lib/buffer-to-form-data.browser.js
new file mode 100644
index 000000000..dab8da9ce
--- /dev/null
+++ b/src/lib/buffer-to-form-data.browser.js
@@ -0,0 +1,8 @@
+'use strict'
+/* eslint-env browser */
+
+module.exports = buf => {
+  const formData = new FormData()
+  formData.append('file', new Blob([buf], { type: 'application/octet-stream' }))
+  return formData
+}
diff --git a/src/lib/buffer-to-form-data.js b/src/lib/buffer-to-form-data.js
new file mode 100644
index 000000000..1a4830361
--- /dev/null
+++ b/src/lib/buffer-to-form-data.js
@@ -0,0 +1,33 @@
+'use strict'
+
+const FormData = require('form-data')
+const { isElectronRenderer } = require('ipfs-utils/src/env')
+
+module.exports = (buf, { mode, mtime, mtimeNsecs } = {}) => {
+  const headers = {}
+
+  if (mode != null) {
+    headers.mode = mode
+  }
+
+  if (mtime != null) {
+    headers.mtime = mtime
+
+    if (mtimeNsecs != null) {
+      headers['mtime-nsecs'] = mtimeNsecs
+    }
+  }
+
+  const formData = new FormData()
+  formData.append('file', buf, {
+    header: headers
+  })
+  return formData
+}
+
+// TODO remove this when upstream fix for ky-universal is merged
+// https://github.com/sindresorhus/ky-universal/issues/9
+// also this should only be necessary when nodeIntegration is false in electron renderer
+if (isElectronRenderer) {
+  module.exports = require('./buffer-to-form-data.browser')
+}
diff --git a/src/lib/configure.js b/src/lib/configure.js
new file mode 100644
index 000000000..9e6c9465f
--- /dev/null
+++ b/src/lib/configure.js
@@ -0,0 +1,96 @@
+'use strict'
+/* eslint-env browser */
+
+const ky = require('ky-universal').default
+const { isBrowser, isWebWorker } = require('ipfs-utils/src/env')
+const toUri = require('multiaddr-to-uri')
+const errorHandler = require('./error-handler')
+const mergeOptions = require('merge-options').bind({ ignoreUndefined: true })
+const parseDuration = require('parse-duration')
+
+// Set default configuration and call create function with them
+module.exports = create => config => {
+  config = config || {}
+
+  if (typeof config === 'string') {
+    config = { apiAddr: config }
+  } else if (config.constructor && config.constructor.isMultiaddr) {
+    config = { apiAddr: config }
+  } else {
+    config = { ...config }
+  }
+
+  config.apiAddr = (config.apiAddr || getDefaultApiAddr(config)).toString()
+  config.apiAddr = config.apiAddr.startsWith('/') ? toUri(config.apiAddr) : config.apiAddr
+  config.apiAddr = trimEnd(config.apiAddr, '/')
+
+  const apiAddrPath = getNonRootPath(config.apiAddr)
+
+  // Use configured apiPath, or path on the end of apiAddr (if there is one) or default to /api/v0
+  config.apiPath = config.apiPath || config['api-path'] || apiAddrPath || '/api/v0'
+  config.apiPath = trimEnd(config.apiPath, '/')
+
+  // If user passed apiAddr with a path, trim it from the end (it is now apiPath)
+  config.apiAddr = apiAddrPath ? trimEnd(config.apiAddr, apiAddrPath) : config.apiAddr
+
+  const defaults = {
+    prefixUrl: config.apiAddr + config.apiPath,
+    timeout: parseTimeout(config.timeout) || 60000 * 20,
+    headers: config.headers,
+    hooks: {
+      afterResponse: [errorHandler]
+    }
+  }
+  const k = ky.extend(defaults)
+  const client = ['get', 'post', 'put', 'delete', 'patch', 'head']
+    .reduce((client, key) => {
+      client[key] = wrap(k[key], defaults)
+
+      return client
+    }, wrap(k, defaults))
+
+  return create({
+    ky: client,
+    ...config
+  })
+}
+
+function getDefaultApiAddr ({ protocol, host, port }) {
+  if (isBrowser || isWebWorker) {
+    if (!protocol) {
+      protocol = location.protocol.startsWith('http')
+        ? trimEnd(location.protocol, ':')
+        : 'http'
+    }
+
+    host = host || location.hostname
+    port = port || location.port
+
+    return `${protocol}://${host}${port ? ':' + port : ''}`
+  }
+
+  return `${protocol || 'http'}://${host || 'localhost'}:${port || 5001}`
+}
+
+// returns the passed function wrapped in a function that ignores
+// undefined values in the passed `options` object
+function wrap (fn, defaults) {
+  return (input, options) => {
+    if (options.timeout) options.timeout = parseTimeout(options.timeout)
+    return fn(input, mergeOptions(defaults, options))
+  }
+}
+
+function parseTimeout (value) {
+  return typeof value === 'string' ? parseDuration(value) : value
+}
+
+const trimEnd = (str, end) => str.endsWith(end) ? str.slice(0, -end.length) : str
+
+// Get the path from a URL is it is not /
+function getNonRootPath (url) {
+  if (url) {
+    const { pathname } = new URL(url)
+    return pathname === '/' ? null : pathname
+  }
+}
diff --git a/src/lib/encode-buffer-uri-component.js b/src/lib/encode-buffer-uri-component.js
new file mode 100644
index 000000000..c231970cb
--- /dev/null
+++ b/src/lib/encode-buffer-uri-component.js
@@ -0,0 +1,25 @@
+'use strict'
+
+// https://github.com/ipfs/js-ipfs-http-client/issues/569
+module.exports = function encodeBuffer (buf) {
+  let uriEncoded = ''
+  for (const byte of buf) {
+    // https://tools.ietf.org/html/rfc3986#page-14
+    // ALPHA (%41-%5A and %61-%7A), DIGIT (%30-%39), hyphen (%2D), period (%2E),
+    // underscore (%5F), or tilde (%7E)
+    if (
+      (byte >= 0x41 && byte <= 0x5A) ||
+      (byte >= 0x61 && byte <= 0x7A) ||
+      (byte >= 0x30 && byte <= 0x39) ||
+      (byte === 0x2D) ||
+      (byte === 0x2E) ||
+      (byte === 0x5F) ||
+      (byte === 0x7E)
+    ) {
+      uriEncoded += String.fromCharCode(byte)
+    } else {
+      uriEncoded += `%${byte.toString(16).padStart(2, '0')}`
+    }
+  }
+  return uriEncoded
+}
diff --git a/src/lib/error-handler.js b/src/lib/error-handler.js
new file mode 100644
index 000000000..3aae8a41c
--- /dev/null
+++ b/src/lib/error-handler.js
@@ -0,0 +1,49 @@
+'use strict'
+
+const { HTTPError } = require('ky-universal')
+const log = require('debug')('ipfs-http-client:lib:error-handler')
+const { isNode, isElectronMain } = require('ipfs-utils/src/env')
+
+function isJsonResponse (res) {
+  return (res.headers.get('Content-Type') || '').startsWith('application/json')
+}
+
+module.exports = async function errorHandler (input, options, response) {
+  if (response.ok) {
+    // FIXME: remove when fixed https://github.com/sindresorhus/ky-universal/issues/8
+    //
+    // ky clones the response for each handler. In Node.js the response body is
+    // piped to 2 PassThroughs, one becomes the real body and the other is used
+    // in the clone.
+    //
+    // If the body in the clone is not consumed or destroyed the highwater mark
+    // will be reached (for large payloads) and stop the real body from flowing.
+    if (isNode || isElectronMain) response.body.destroy()
+    return
+  }
+
+  let msg
+
+  try {
+    if (isJsonResponse(response)) {
+      const data = await response.json()
+      log(data)
+      msg = data.Message || data.message
+    } else {
+      msg = await response.text()
+    }
+  } catch (err) {
+    log('Failed to parse error response', err)
+    // Failed to extract/parse error message from response
+    msg = err.message
+  }
+
+  const error = new HTTPError(response)
+
+  // If we managed to extract a message from the response, use it
+  if (msg) {
+    error.message = msg
+  }
+
+  throw error
+}
diff --git a/src/lib/mode-to-string.js b/src/lib/mode-to-string.js
new file mode 100644
index 000000000..ee2742b9a
--- /dev/null
+++ b/src/lib/mode-to-string.js
@@ -0,0 +1,13 @@
+'use strict'
+
+module.exports = (mode) => {
+  if (mode === undefined || mode === null) {
+    return undefined
+  }
+
+  if (typeof mode === 'string' || mode instanceof String) {
+    return mode
+  }
+
+  return mode.toString(8).padStart(4, '0')
+}
diff --git a/src/lib/mtime-to-object.js b/src/lib/mtime-to-object.js
new file mode 100644
index 000000000..be89148f6
--- /dev/null
+++ b/src/lib/mtime-to-object.js
@@ -0,0 +1,56 @@
+'use strict'
+
+module.exports = function parseMtime (mtime) {
+  if (mtime == null) {
+    return undefined
+  }
+
+  // Javascript Date
+  if (mtime instanceof Date) {
+    const ms = mtime.getTime()
+    const secs = Math.floor(ms / 1000)
+
+    return {
+      secs: secs,
+      nsecs: (ms - (secs * 1000)) * 1000
+    }
+  }
+
+  // { secs, nsecs }
+  if (Object.prototype.hasOwnProperty.call(mtime, 'secs')) {
+    return {
+      secs: mtime.secs,
+      nsecs: mtime.nsecs
+    }
+  }
+
+  // UnixFS TimeSpec
+  if (Object.prototype.hasOwnProperty.call(mtime, 'Seconds')) {
+    return {
+      secs: mtime.Seconds,
+      nsecs: mtime.FractionalNanoseconds
+    }
+  }
+
+  // process.hrtime()
+  if (Array.isArray(mtime)) {
+    return {
+      secs: mtime[0],
+      nsecs: mtime[1]
+    }
+  }
+  /*
+  TODO: https://github.com/ipfs/aegir/issues/487
+
+  // process.hrtime.bigint()
+  if (typeof mtime === 'bigint') {
+    const secs = mtime / BigInt(1e9)
+    const nsecs = mtime - (secs * BigInt(1e9))
+
+    return {
+      secs: parseInt(secs),
+      nsecs: parseInt(nsecs)
+    }
+  }
+  */
+}
diff --git a/src/lib/object-to-camel-with-metadata.js b/src/lib/object-to-camel-with-metadata.js
new file mode 100644
index 000000000..55f16d0bb
--- /dev/null
+++ b/src/lib/object-to-camel-with-metadata.js
@@ -0,0 +1,24 @@
+'use strict'
+
+const toCamel = require('./object-to-camel')
+
+function toCamelWithMetadata (entry) {
+  const file = toCamel(entry)
+
+  if (Object.prototype.hasOwnProperty.call(file, 'mode')) {
+    file.mode = parseInt(file.mode, 8)
+  }
+
+  if (Object.prototype.hasOwnProperty.call(file, 'mtime')) {
+    file.mtime = {
+      secs: file.mtime,
+      nsecs: file.mtimeNsecs || 0
+    }
+
+    delete file.mtimeNsecs
+  }
+
+  return file
+}
+
+module.exports = toCamelWithMetadata
diff --git a/src/lib/object-to-camel.js b/src/lib/object-to-camel.js
new file mode 100644
index 000000000..f13b2b6a1
--- /dev/null
+++ b/src/lib/object-to-camel.js
@@ -0,0 +1,21 @@
+'use strict'
+
+// Convert object properties to camel case.
+// NOT recursive!
+// e.g.
+// AgentVersion => agentVersion
+// ID => id
+module.exports = obj => {
+  if (obj == null) return obj
+  const caps = /^[A-Z]+$/
+  return Object.keys(obj).reduce((camelObj, k) => {
+    if (caps.test(k)) { // all caps
+      camelObj[k.toLowerCase()] = obj[k]
+    } else if (caps.test(k[0])) { // pascal
+      camelObj[k[0].toLowerCase() + k.slice(1)] = obj[k]
+    } else {
+      camelObj[k] = obj[k]
+    }
+    return camelObj
+  }, {})
+}
diff --git a/src/log/index.js b/src/log/index.js
index 94597bdc6..3eea39fd5 100644
--- a/src/log/index.js
+++ b/src/log/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    tail: require('./tail')(send),
-    ls: require('./ls')(send),
-    level: require('./level')(send)
-  }
-}
+module.exports = config => ({
+  tail: require('./tail')(config),
+  ls: require('./ls')(config),
+  level: require('./level')(config)
+})
diff --git a/src/log/level.js b/src/log/level.js
index 4304ff90f..dcc20c7bd 100644
--- a/src/log/level.js
+++ b/src/log/level.js
@@ -1,27 +1,23 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-module.exports = (send) => {
-  return promisify((subsystem, level, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
-    if (typeof subsystem !== 'string') {
-      return callback(new Error('Invalid subsystem type'))
-    }
+module.exports = configure(({ ky }) => {
+  return async (subsystem, level, options) => {
+    options = options || {}
 
-    if (typeof level !== 'string') {
-      return callback(new Error('Invalid level type'))
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', subsystem)
+    searchParams.append('arg', level)
 
-    send({
-      path: 'log/level',
-      args: [subsystem, level],
-      qs: opts,
-      files: undefined,
-      buffer: true
-    }, callback)
-  })
-}
+    const res = await ky.post('log/level', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/log/ls.js b/src/log/ls.js
index ab243605b..0a8d69c6c 100644
--- a/src/log/ls.js
+++ b/src/log/ls.js
@@ -1,17 +1,18 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((callback) => {
-    send({
-      path: 'log/ls'
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-      callback(null, result.Strings)
-    })
-  })
-}
+    const res = await ky.post('log/ls', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+
+    return res.Strings
+  }
+})
diff --git a/src/log/tail.js b/src/log/tail.js
index bad4e4d34..74b72b2c2 100644
--- a/src/log/tail.js
+++ b/src/log/tail.js
@@ -1,20 +1,20 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const pump = require('pump')
-const ndjson = require('ndjson')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
 
-module.exports = (send) => {
-  return promisify((callback) => {
-    return send({
-      path: 'log/tail'
-    }, (err, response) => {
-      if (err) {
-        return callback(err)
-      }
-      const outputStream = ndjson.parse()
-      pump(response, outputStream)
-      callback(null, outputStream)
+module.exports = configure(({ ky }) => {
+  return async function * tail (options) {
+    options = options || {}
+
+    const res = await ky.post('log/tail', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
     })
-  })
-}
+
+    yield * ndjson(toIterable(res.body))
+  }
+})
diff --git a/src/ls.js b/src/ls.js
new file mode 100644
index 000000000..ec7e37dfb
--- /dev/null
+++ b/src/ls.js
@@ -0,0 +1,85 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const ndjson = require('iterable-ndjson')
+const toIterable = require('stream-to-it/source')
+const configure = require('./lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async function * ls (path, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams()
+    searchParams.set('arg', `${Buffer.isBuffer(path) ? new CID(path) : path}`)
+    searchParams.set('stream', options.stream == null ? true : options.stream)
+
+    if (options.long != null) searchParams.set('long', options.long)
+    if (options.unsorted != null) searchParams.set('unsorted', options.unsorted)
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+
+    const res = await ky.post('ls', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (let result of ndjson(toIterable(res.body))) {
+      result = result.Objects
+
+      if (!result) {
+        throw new Error('expected .Objects in results')
+      }
+
+      result = result[0]
+      if (!result) {
+        throw new Error('expected one array in results.Objects')
+      }
+
+      result = result.Links
+      if (!Array.isArray(result)) {
+        throw new Error('expected one array in results.Objects[0].Links')
+      }
+
+      for (const link of result) {
+        const entry = {
+          name: link.Name,
+          path: path + '/' + link.Name,
+          size: link.Size,
+          cid: new CID(link.Hash),
+          type: typeOf(link),
+          depth: link.Depth || 1
+        }
+
+        if (link.Mode) {
+          entry.mode = parseInt(link.Mode, 8)
+        }
+
+        if (link.Mtime !== undefined && link.Mtime !== null) {
+          entry.mtime = {
+            secs: link.Mtime
+          }
+
+          if (link.MtimeNsecs !== undefined && link.MtimeNsecs !== null) {
+            entry.mtime.nsecs = link.MtimeNsecs
+          }
+        }
+
+        yield entry
+      }
+    }
+  }
+})
+
+function typeOf (link) {
+  switch (link.Type) {
+    case 1:
+    case 5:
+      return 'dir'
+    case 2:
+      return 'file'
+    default:
+      return 'unknown'
+  }
+}
diff --git a/src/mount.js b/src/mount.js
index 7c2e92cab..a5d2faef1 100644
--- a/src/mount.js
+++ b/src/mount.js
@@ -1,30 +1,23 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
+const configure = require('./lib/configure')
+const toCamel = require('./lib/object-to-camel')
 
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-  return promisify((ipfs, ipns, callback) => {
-    if (typeof ipfs === 'function') {
-      callback = ipfs
-      ipfs = null
-    } else if (typeof ipns === 'function') {
-      callback = ipns
-      ipns = null
-    }
-    const opts = {}
-    if (ipfs) {
-      opts.f = ipfs
-    }
-    if (ipns) {
-      opts.n = ipns
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.ipfsPath != null) searchParams.set('ipfs-path', options.ipfsPath)
+    if (options.ipnsPath != null) searchParams.set('ipns-path', options.ipnsPath)
 
-    send({
-      path: 'mount',
-      qs: opts
-    }, callback)
-  })
-}
+    const res = await ky.post('dns', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/name/index.js b/src/name/index.js
index 8f823311a..65d1acca2 100644
--- a/src/name/index.js
+++ b/src/name/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    publish: require('./publish')(send),
-    resolve: require('./resolve')(send),
-    pubsub: require('./pubsub')(send)
-  }
-}
+module.exports = config => ({
+  publish: require('./publish')(config),
+  resolve: require('./resolve')(config),
+  pubsub: require('./pubsub')(config)
+})
diff --git a/src/name/publish.js b/src/name/publish.js
index cfc7482e3..e470606f9 100644
--- a/src/name/publish.js
+++ b/src/name/publish.js
@@ -1,25 +1,28 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
+const toCamel = require('../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    name: res.Name,
-    value: res.Value
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (path, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', path)
+    if (options.allowOffline != null) searchParams.set('allow-offline', options.allowOffline)
+    if (options.key) searchParams.set('key', options.key)
+    if (options.lifetime) searchParams.set('lifetime', options.lifetime)
+    if (options.quieter != null) searchParams.set('quieter', options.quieter)
+    if (options.resolve != null) searchParams.set('resolve', options.resolve)
+    if (options.ttl) searchParams.set('ttl', options.ttl)
 
-    send.andTransform({
-      path: 'name/publish',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
+    const res = await ky.post('name/publish', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/name/pubsub/cancel.js b/src/name/pubsub/cancel.js
index 32dbbb3af..ea5391e64 100644
--- a/src/name/pubsub/cancel.js
+++ b/src/name/pubsub/cancel.js
@@ -1,24 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../../lib/configure')
+const toCamel = require('../../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    canceled: res.Canceled === undefined || res.Canceled === true
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (name, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', name)
 
-    send.andTransform({
-      path: 'name/pubsub/cancel',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
+    const res = await ky.post('name/pubsub/cancel', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return toCamel(res)
+  }
+})
diff --git a/src/name/pubsub/index.js b/src/name/pubsub/index.js
index aefc0f880..14ffd8852 100644
--- a/src/name/pubsub/index.js
+++ b/src/name/pubsub/index.js
@@ -1,7 +1,7 @@
 'use strict'
 
-module.exports = (send) => ({
-  cancel: require('./cancel')(send),
-  state: require('./state')(send),
-  subs: require('./subs')(send)
+module.exports = config => ({
+  cancel: require('./cancel')(config),
+  state: require('./state')(config),
+  subs: require('./subs')(config)
 })
diff --git a/src/name/pubsub/state.js b/src/name/pubsub/state.js
index cc9b0b369..03e18aa7f 100644
--- a/src/name/pubsub/state.js
+++ b/src/name/pubsub/state.js
@@ -1,23 +1,19 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../../lib/configure')
+const toCamel = require('../../lib/object-to-camel')
 
-const transform = function (res, callback) {
-  callback(null, {
-    enabled: res.Enabled
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const res = await ky.post('name/pubsub/state', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
 
-    send.andTransform({
-      path: 'name/pubsub/state',
-      qs: opts
-    }, transform, callback)
-  })
-}
+    return toCamel(res)
+  }
+})
diff --git a/src/name/pubsub/subs.js b/src/name/pubsub/subs.js
index 3a3a54c2a..9bc6c2208 100644
--- a/src/name/pubsub/subs.js
+++ b/src/name/pubsub/subs.js
@@ -1,21 +1,18 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../../lib/configure')
 
-const transform = function (res, callback) {
-  callback(null, res.Strings || [])
-}
+module.exports = configure(({ ky }) => {
+  return async (name, options) => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const res = await ky.post('name/pubsub/subs', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
 
-    send.andTransform({
-      path: 'name/pubsub/subs',
-      qs: opts
-    }, transform, callback)
-  })
-}
+    return res.Strings || []
+  }
+})
diff --git a/src/name/resolve.js b/src/name/resolve.js
index addb567d6..e7eb20b4f 100644
--- a/src/name/resolve.js
+++ b/src/name/resolve.js
@@ -1,22 +1,30 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
 
-const transform = function (res, callback) {
-  callback(null, res.Path)
-}
+module.exports = configure(({ ky }) => {
+  return async function * (path, options) {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', path)
+    searchParams.set('stream', options.stream == null ? true : options.stream)
+    if (options.dhtRecordCount != null) searchParams.set('dht-record-count', options.dhtRecordCount)
+    if (options.dhtTimeout != null) searchParams.set('dht-timeout', options.dhtTimeout)
+    if (options.noCache != null) searchParams.set('nocache', options.noCache)
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+
+    const res = await ky.post('name/resolve', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
 
-    send.andTransform({
-      path: 'name/resolve',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
+    for await (const result of ndjson(toIterable(res.body))) {
+      yield result.Path
+    }
+  }
+})
diff --git a/src/object/addLink.js b/src/object/addLink.js
deleted file mode 100644
index 75087578b..000000000
--- a/src/object/addLink.js
+++ /dev/null
@@ -1,36 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const CID = require('cids')
-
-module.exports = (send) => {
-  return promisify((cid, dLink, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
-    if (!opts) {
-      opts = {}
-    }
-
-    try {
-      cid = new CID(cid)
-    } catch (err) {
-      return callback(err)
-    }
-
-    send({
-      path: 'object/patch/add-link',
-      args: [
-        cid.toString(),
-        dLink.name,
-        dLink.cid.toString()
-      ]
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, new CID(result.Hash))
-    })
-  })
-}
diff --git a/src/object/appendData.js b/src/object/appendData.js
deleted file mode 100644
index 6c6cdb722..000000000
--- a/src/object/appendData.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const once = require('once')
-const CID = require('cids')
-const SendOneFile = require('../utils/send-one-file')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'object/patch/append-data')
-
-  return promisify((cid, data, opts, _callback) => {
-    if (typeof opts === 'function') {
-      _callback = opts
-      opts = {}
-    }
-    const callback = once(_callback)
-    if (!opts) {
-      opts = {}
-    }
-
-    try {
-      cid = new CID(cid)
-    } catch (err) {
-      return callback(err)
-    }
-
-    sendOneFile(data, { args: [cid.toString()] }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      callback(null, new CID(result.Hash))
-    })
-  })
-}
diff --git a/src/object/data.js b/src/object/data.js
index bbc43ebd6..5f40e0450 100644
--- a/src/object/data.js
+++ b/src/object/data.js
@@ -1,53 +1,23 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const streamToValue = require('../utils/stream-to-value')
+const { Buffer } = require('buffer')
 const CID = require('cids')
-const LRU = require('lru-cache')
-const lruOptions = {
-  max: 128
-}
+const configure = require('../lib/configure')
 
-const cache = new LRU(lruOptions)
+module.exports = configure(({ ky }) => {
+  return async function data (cid, options) {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((cid, options, callback) => {
-    if (typeof options === 'function') {
-      callback = options
-      options = {}
-    }
-    if (!options) {
-      options = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
 
-    let cidB58Str
+    const data = await ky.post('object/data', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).arrayBuffer()
 
-    try {
-      cid = new CID(cid)
-      cidB58Str = cid.toBaseEncodedString()
-    } catch (err) {
-      return callback(err)
-    }
-
-    const node = cache.get(cidB58Str)
-
-    if (node) {
-      return callback(null, node.data)
-    }
-
-    send({
-      path: 'object/data',
-      args: cidB58Str
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      if (typeof result.pipe === 'function') {
-        streamToValue(result, callback)
-      } else {
-        callback(null, result)
-      }
-    })
-  })
-}
+    return Buffer.from(data)
+  }
+})
diff --git a/src/object/get.js b/src/object/get.js
index a8d44db92..8dd2b638d 100644
--- a/src/object/get.js
+++ b/src/object/get.js
@@ -1,67 +1,28 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const dagPB = require('ipld-dag-pb')
-const DAGNode = dagPB.DAGNode
-const DAGLink = dagPB.DAGLink
+const { Buffer } = require('buffer')
 const CID = require('cids')
-const LRU = require('lru-cache')
-const lruOptions = {
-  max: 128
-}
-
-const cache = new LRU(lruOptions)
-
-module.exports = (send) => {
-  return promisify((cid, options, callback) => {
-    if (typeof options === 'function') {
-      callback = options
-      options = {}
-    }
-
-    if (!options) {
-      options = {}
-    }
-
-    let cidB58Str
-
-    try {
-      cid = new CID(cid)
-      cidB58Str = cid.toBaseEncodedString()
-    } catch (err) {
-      return callback(err)
-    }
-
-    const node = cache.get(cidB58Str)
-
-    if (node) {
-      return callback(null, node)
-    }
-
-    send({
-      path: 'object/get',
-      args: cidB58Str,
-      qs: {
-        'data-encoding': 'base64'
-      }
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      result.Data = Buffer.from(result.Data, 'base64')
-
-      const links = result.Links.map((l) => {
-        return new DAGLink(l.Name, l.Size, l.Hash)
-      })
-
-      DAGNode.create(result.Data, links, (err, node) => {
-        if (err) {
-          return callback(err)
-        }
-        cache.set(cidB58Str, node)
-        callback(null, node)
-      })
-    })
-  })
-}
+const { DAGNode, DAGLink } = require('ipld-dag-pb')
+const configure = require('../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
+    searchParams.set('data-encoding', 'base64')
+
+    const res = await ky.post('object/get', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return new DAGNode(
+      Buffer.from(res.Data, 'base64'),
+      (res.Links || []).map(l => new DAGLink(l.Name, l.Size, l.Hash))
+    )
+  }
+})
diff --git a/src/object/index.js b/src/object/index.js
index 2966232c4..ee7c85dd6 100644
--- a/src/object/index.js
+++ b/src/object/index.js
@@ -1,22 +1,11 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    get: require('./get')(send),
-    put: require('./put')(send),
-    data: require('./data')(send),
-    links: require('./links')(send),
-    stat: require('./stat')(send),
-    new: require('./new')(send),
-    patch: {
-      addLink: require('./addLink')(send),
-      rmLink: require('./rmLink')(send),
-      setData: require('./setData')(send),
-      appendData: require('./appendData')(send)
-    }
-  }
-}
+module.exports = config => ({
+  data: require('./data')(config),
+  get: require('./get')(config),
+  links: require('./links')(config),
+  new: require('./new')(config),
+  patch: require('./patch')(config),
+  put: require('./put')(config),
+  stat: require('./stat')(config)
+})
diff --git a/src/object/links.js b/src/object/links.js
index 41527d998..f05ddb630 100644
--- a/src/object/links.js
+++ b/src/object/links.js
@@ -1,52 +1,24 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const dagPB = require('ipld-dag-pb')
-const DAGLink = dagPB.DAGLink
+const { Buffer } = require('buffer')
 const CID = require('cids')
-const LRU = require('lru-cache')
-const lruOptions = {
-  max: 128
-}
-
-const cache = new LRU(lruOptions)
-
-module.exports = (send) => {
-  return promisify((cid, options, callback) => {
-    if (typeof options === 'function') {
-      callback = options
-      options = {}
-    }
-    if (!options) {
-      options = {}
-    }
-
-    try {
-      cid = new CID(cid)
-    } catch (err) {
-      return callback(err)
-    }
-
-    const node = cache.get(cid.toString())
-
-    if (node) {
-      return callback(null, node.links)
-    }
-
-    send({
-      path: 'object/links',
-      args: cid.toString()
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-
-      let links = []
-
-      if (result.Links) {
-        links = result.Links.map((l) => new DAGLink(l.Name, l.Size, l.Hash))
-      }
-      callback(null, links)
-    })
-  })
-}
+const { DAGLink } = require('ipld-dag-pb')
+const configure = require('../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
+
+    const res = await ky.post('object/links', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return (res.Links || []).map(l => new DAGLink(l.Name, l.Size, l.Hash))
+  }
+})
diff --git a/src/object/new.js b/src/object/new.js
index f9d8ddb35..d372812a5 100644
--- a/src/object/new.js
+++ b/src/object/new.js
@@ -1,23 +1,27 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const CID = require('cids')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((template, callback) => {
-    if (typeof template === 'function') {
-      callback = template
-      template = undefined
+module.exports = configure(({ ky }) => {
+  return async (template, options) => {
+    if (typeof template !== 'string') {
+      options = template
+      template = null
     }
-    send({
-      path: 'object/new',
-      args: template
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
 
-      callback(null, new CID(result.Hash))
-    })
-  })
-}
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (template) searchParams.set('arg', template)
+
+    const { Hash } = await ky.post('object/new', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return new CID(Hash)
+  }
+})
diff --git a/src/object/patch/add-link.js b/src/object/patch/add-link.js
new file mode 100644
index 000000000..55821751d
--- /dev/null
+++ b/src/object/patch/add-link.js
@@ -0,0 +1,25 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const configure = require('../../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, dLink, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
+    searchParams.append('arg', dLink.Name || dLink.name || null)
+    searchParams.append('arg', (dLink.Hash || dLink.cid || '').toString() || null)
+
+    const { Hash } = await ky.post('object/patch/add-link', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return new CID(Hash)
+  }
+})
diff --git a/src/object/patch/append-data.js b/src/object/patch/append-data.js
new file mode 100644
index 000000000..1ab8d1381
--- /dev/null
+++ b/src/object/patch/append-data.js
@@ -0,0 +1,25 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const configure = require('../../lib/configure')
+const toFormData = require('../../lib/buffer-to-form-data')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, data, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
+
+    const { Hash } = await ky.post('object/patch/append-data', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams,
+      body: toFormData(data)
+    }).json()
+
+    return new CID(Hash)
+  }
+})
diff --git a/src/object/patch/index.js b/src/object/patch/index.js
new file mode 100644
index 000000000..f886e288f
--- /dev/null
+++ b/src/object/patch/index.js
@@ -0,0 +1,8 @@
+'use strict'
+
+module.exports = config => ({
+  addLink: require('./add-link')(config),
+  appendData: require('./append-data')(config),
+  rmLink: require('./rm-link')(config),
+  setData: require('./set-data')(config)
+})
diff --git a/src/object/patch/rm-link.js b/src/object/patch/rm-link.js
new file mode 100644
index 000000000..39ea0ea3b
--- /dev/null
+++ b/src/object/patch/rm-link.js
@@ -0,0 +1,24 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const configure = require('../../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, dLink, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
+    searchParams.append('arg', dLink.Name || dLink.name || null)
+
+    const { Hash } = await ky.post('object/patch/rm-link', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return new CID(Hash)
+  }
+})
diff --git a/src/object/patch/set-data.js b/src/object/patch/set-data.js
new file mode 100644
index 000000000..7bb131fb7
--- /dev/null
+++ b/src/object/patch/set-data.js
@@ -0,0 +1,25 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const configure = require('../../lib/configure')
+const toFormData = require('../../lib/buffer-to-form-data')
+
+module.exports = configure(({ ky }) => {
+  return async (cid, data, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
+
+    const { Hash } = await ky.post('object/patch/set-data', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams,
+      body: toFormData(data)
+    }).json()
+
+    return new CID(Hash)
+  }
+})
diff --git a/src/object/put.js b/src/object/put.js
index 0b624f7f9..be8660a00 100644
--- a/src/object/put.js
+++ b/src/object/put.js
@@ -1,26 +1,14 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const CID = require('cids')
 const { DAGNode } = require('ipld-dag-pb')
+const { Buffer } = require('buffer')
+const configure = require('../lib/configure')
+const toFormData = require('../lib/buffer-to-form-data')
 
-const SendOneFile = require('../utils/send-one-file')
-const once = require('once')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'object/put')
-
-  return promisify((obj, options, _callback) => {
-    if (typeof options === 'function') {
-      _callback = options
-      options = {}
-    }
-
-    const callback = once(_callback)
-
-    if (!options) {
-      options = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async (obj, options) => {
+    options = options || {}
 
     let tmpObj = {
       Data: null,
@@ -36,18 +24,18 @@ module.exports = (send) => {
       }
     } else if (DAGNode.isDAGNode(obj)) {
       tmpObj = {
-        Data: obj.data.toString(),
-        Links: obj.links.map((l) => {
-          const link = l.toJSON()
-          link.hash = link.cid
-          return link
-        })
+        Data: obj.Data.toString(),
+        Links: obj.Links.map(l => ({
+          Name: l.Name,
+          Hash: l.Hash.toString(),
+          Size: l.Tsize
+        }))
       }
     } else if (typeof obj === 'object') {
       tmpObj.Data = obj.Data.toString()
       tmpObj.Links = obj.Links
     } else {
-      return callback(new Error('obj not recognized'))
+      throw new Error('obj not recognized')
     }
 
     let buf
@@ -56,18 +44,20 @@ module.exports = (send) => {
     } else {
       buf = Buffer.from(JSON.stringify(tmpObj))
     }
-    const enc = options.enc || 'json'
-
-    const sendOptions = {
-      qs: { inputenc: enc }
-    }
-
-    sendOneFile(buf, sendOptions, (err, result) => {
-      if (err) {
-        return callback(err) // early
-      }
 
-      callback(null, new CID(result.Hash))
-    })
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.enc) searchParams.set('inputenc', options.enc)
+    if (options.pin != null) searchParams.set('pin', options.pin)
+    if (options.quiet != null) searchParams.set('quiet', options.quiet)
+
+    const { Hash } = await ky.post('object/put', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams,
+      body: toFormData(buf)
+    }).json()
+
+    return new CID(Hash)
+  }
+})
diff --git a/src/object/rmLink.js b/src/object/rmLink.js
deleted file mode 100644
index 4726bb216..000000000
--- a/src/object/rmLink.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const CID = require('cids')
-
-module.exports = (send) => {
-  return promisify((cid, dLink, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
-    if (!opts) {
-      opts = {}
-    }
-
-    try {
-      cid = new CID(cid)
-    } catch (err) {
-      return callback(err)
-    }
-
-    send({
-      path: 'object/patch/rm-link',
-      args: [
-        cid.toString(),
-        dLink.name
-      ]
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, new CID(result.Hash))
-    })
-  })
-}
diff --git a/src/object/setData.js b/src/object/setData.js
deleted file mode 100644
index 5eb014474..000000000
--- a/src/object/setData.js
+++ /dev/null
@@ -1,34 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const once = require('once')
-const CID = require('cids')
-const SendOneFile = require('../utils/send-one-file')
-
-module.exports = (send) => {
-  const sendOneFile = SendOneFile(send, 'object/patch/set-data')
-
-  return promisify((cid, data, opts, _callback) => {
-    if (typeof opts === 'function') {
-      _callback = opts
-      opts = {}
-    }
-    const callback = once(_callback)
-    if (!opts) {
-      opts = {}
-    }
-
-    try {
-      cid = new CID(cid)
-    } catch (err) {
-      return callback(err)
-    }
-
-    sendOneFile(data, { args: [cid.toString()] }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, new CID(result.Hash))
-    })
-  })
-}
diff --git a/src/object/stat.js b/src/object/stat.js
index 280e9f8e1..c3d2d8edc 100644
--- a/src/object/stat.js
+++ b/src/object/stat.js
@@ -1,27 +1,31 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const { Buffer } = require('buffer')
 const CID = require('cids')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((cid, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
-    if (!opts) {
-      opts = {}
-    }
+module.exports = configure(({ ky }) => {
+  return async (cid, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${Buffer.isBuffer(cid) ? new CID(cid) : cid}`)
 
+    let res
     try {
-      cid = new CID(cid)
+      res = await ky.post('object/stat', {
+        timeout: options.timeout,
+        signal: options.signal,
+        headers: options.headers,
+        searchParams
+      }).json()
     } catch (err) {
-      return callback(err)
+      if (err.name === 'TimeoutError') {
+        err.message = `failed to get block for ${Buffer.isBuffer(cid) ? new CID(cid) : cid}: context deadline exceeded`
+      }
+      throw err
     }
 
-    send({
-      path: 'object/stat',
-      args: cid.toString()
-    }, callback)
-  })
-}
+    return res
+  }
+})
diff --git a/src/pin/add.js b/src/pin/add.js
index 7ef730eec..41b119fe8 100644
--- a/src/pin/add.js
+++ b/src/pin/add.js
@@ -1,22 +1,24 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const CID = require('cids')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((hash, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = null
-    }
-    send({
-      path: 'pin/add',
-      args: hash,
-      qs: opts
-    }, (err, res) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, res.Pins.map((hash) => ({ hash: hash })))
-    })
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (paths, options) => {
+    paths = Array.isArray(paths) ? paths : [paths]
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    paths.forEach(path => searchParams.append('arg', `${path}`))
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+
+    const res = await ky.post('pin/add', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return (res.Pins || []).map(cid => ({ cid: new CID(cid) }))
+  }
+})
diff --git a/src/pin/index.js b/src/pin/index.js
index 859052e2c..ad43057ec 100644
--- a/src/pin/index.js
+++ b/src/pin/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    add: require('./add')(send),
-    rm: require('./rm')(send),
-    ls: require('./ls')(send)
-  }
-}
+module.exports = config => ({
+  add: require('./add')(config),
+  rm: require('./rm')(config),
+  ls: require('./ls')(config)
+})
diff --git a/src/pin/ls.js b/src/pin/ls.js
index c8ad26a4b..f9e0968ac 100644
--- a/src/pin/ls.js
+++ b/src/pin/ls.js
@@ -1,33 +1,41 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const ndjson = require('iterable-ndjson')
+const CID = require('cids')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
 
-module.exports = (send) => {
-  return promisify((hash, opts, callback) => {
-    if (typeof hash === 'function') {
-      callback = hash
-      opts = null
-      hash = null
+module.exports = configure(({ ky }) => {
+  return async function * ls (path, options) {
+    if (path && path.type) {
+      options = path
+      path = null
     }
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = null
-    }
-    if (hash && hash.type) {
-      opts = hash
-      hash = null
-    }
-    send({
-      path: 'pin/ls',
-      args: hash,
-      qs: opts
-    }, (err, res) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, Object.keys(res.Keys).map(hash => (
-        { hash, type: res.Keys[hash].Type }
-      )))
+
+    path = path || []
+    path = Array.isArray(path) ? path : [path]
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('stream', options.stream == null ? true : options.stream)
+    path.forEach(p => searchParams.append('arg', `${p}`))
+    if (options.type) searchParams.set('type', options.type)
+
+    const res = await ky.post('pin/ls', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
     })
-  })
-}
+
+    for await (const pin of ndjson(toIterable(res.body))) {
+      if (pin.Keys) { // non-streaming response
+        for (const cid of Object.keys(pin.Keys)) {
+          yield { cid: new CID(cid), type: pin.Keys[cid].Type }
+        }
+        return
+      }
+      yield { cid: new CID(pin.Cid), type: pin.Type }
+    }
+  }
+})
diff --git a/src/pin/rm.js b/src/pin/rm.js
index 05aada109..83fbca93c 100644
--- a/src/pin/rm.js
+++ b/src/pin/rm.js
@@ -1,22 +1,23 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const CID = require('cids')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((hash, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = null
-    }
-    send({
-      path: 'pin/rm',
-      args: hash,
-      qs: opts
-    }, (err, res) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, res.Pins.map((hash) => ({ hash: hash })))
-    })
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (path, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${path}`)
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+
+    const res = await ky.post('pin/rm', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return (res.Pins || []).map(cid => ({ cid: new CID(cid) }))
+  }
+})
diff --git a/src/ping-pull-stream.js b/src/ping-pull-stream.js
deleted file mode 100644
index a7871faa3..000000000
--- a/src/ping-pull-stream.js
+++ /dev/null
@@ -1,34 +0,0 @@
-'use strict'
-
-const toPull = require('stream-to-pull-stream')
-const deferred = require('pull-defer')
-const pump = require('pump')
-const moduleConfig = require('./utils/module-config')
-const PingMessageStream = require('./utils/ping-message-stream')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return (id, opts = {}) => {
-    // Default number of packtes to 1
-    if (!opts.n && !opts.count) {
-      opts.n = 1
-    }
-    const request = {
-      path: 'ping',
-      args: id,
-      qs: opts
-    }
-    const p = deferred.source()
-    const response = new PingMessageStream()
-
-    send(request, (err, stream) => {
-      if (err) { return p.abort(err) }
-
-      pump(stream, response)
-      p.resolve(toPull.source(response))
-    })
-
-    return p
-  }
-}
diff --git a/src/ping-readable-stream.js b/src/ping-readable-stream.js
deleted file mode 100644
index df4f70401..000000000
--- a/src/ping-readable-stream.js
+++ /dev/null
@@ -1,30 +0,0 @@
-'use strict'
-
-const pump = require('pump')
-const moduleConfig = require('./utils/module-config')
-const PingMessageStream = require('./utils/ping-message-stream')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return (id, opts = {}) => {
-    // Default number of packtes to 1
-    if (!opts.n && !opts.count) {
-      opts.n = 1
-    }
-    const request = {
-      path: 'ping',
-      args: id,
-      qs: opts
-    }
-
-    const response = new PingMessageStream()
-
-    send(request, (err, stream) => {
-      if (err) { return response.emit('error', err) }
-      pump(stream, response)
-    })
-
-    return response
-  }
-}
diff --git a/src/ping.js b/src/ping.js
index f3ff63ec8..332120934 100644
--- a/src/ping.js
+++ b/src/ping.js
@@ -1,60 +1,27 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const pump = require('pump')
-const Writable = require('readable-stream').Writable
-const moduleConfig = require('./utils/module-config')
-const PingMessageStream = require('./utils/ping-message-stream')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return promisify((id, opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    if (opts.n && opts.count) {
-      return callback(new Error('Use either n or count, not both'))
-    }
-
-    // Default number of packtes to 1
-    if (!opts.n && !opts.count) {
-      opts.n = 1
+const ndjson = require('iterable-ndjson')
+const configure = require('./lib/configure')
+const toIterable = require('stream-to-it/source')
+const toCamel = require('./lib/object-to-camel')
+
+module.exports = configure(({ ky }) => {
+  return async function * ping (peerId, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${peerId}`)
+    if (options.count != null) searchParams.set('count', options.count)
+
+    const res = await ky.post('ping', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const chunk of ndjson(toIterable(res.body))) {
+      yield toCamel(chunk)
     }
-
-    const request = {
-      path: 'ping',
-      args: id,
-      qs: opts
-    }
-
-    // Transform the response stream to a value:
-    // [{ success: <boolean>, time: <number>, text: <string> }]
-    const transform = (stream, callback) => {
-      const messageConverter = new PingMessageStream()
-      const responses = []
-
-      pump(
-        stream,
-        messageConverter,
-        new Writable({
-          objectMode: true,
-          write (chunk, enc, cb) {
-            responses.push(chunk)
-            cb()
-          }
-        }),
-        (err) => {
-          if (err) {
-            return callback(err)
-          }
-          callback(null, responses)
-        }
-      )
-    }
-
-    send.andTransform(request, transform, callback)
-  })
-}
+  }
+})
diff --git a/src/pubsub.js b/src/pubsub.js
deleted file mode 100644
index 6b298351d..000000000
--- a/src/pubsub.js
+++ /dev/null
@@ -1,212 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const EventEmitter = require('events')
-const eos = require('end-of-stream')
-const isNode = require('detect-node')
-const setImmediate = require('async/setImmediate')
-const PubsubMessageStream = require('./utils/pubsub-message-stream')
-const stringlistToArray = require('./utils/stringlist-to-array')
-const moduleConfig = require('./utils/module-config')
-
-const NotSupportedError = () => new Error('pubsub is currently not supported when run in the browser')
-
-/* Public API */
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  /* Internal subscriptions state and functions */
-  const ps = new EventEmitter()
-  const subscriptions = {}
-  ps.id = Math.random()
-  return {
-    subscribe: (topic, handler, options, callback) => {
-      const defaultOptions = {
-        discover: false
-      }
-
-      if (typeof options === 'function') {
-        callback = options
-        options = defaultOptions
-      }
-
-      if (!options) {
-        options = defaultOptions
-      }
-
-      // Throw an error if ran in the browsers
-      if (!isNode) {
-        if (!callback) {
-          return Promise.reject(NotSupportedError())
-        }
-
-        return setImmediate(() => callback(NotSupportedError()))
-      }
-
-      // promisify doesn't work as we always pass a
-      // function as last argument (`handler`)
-      if (!callback) {
-        return new Promise((resolve, reject) => {
-          subscribe(topic, handler, options, (err) => {
-            if (err) {
-              return reject(err)
-            }
-            resolve()
-          })
-        })
-      }
-
-      subscribe(topic, handler, options, callback)
-    },
-    unsubscribe: (topic, handler, callback) => {
-      if (!isNode) {
-        if (!callback) {
-          return Promise.reject(NotSupportedError())
-        }
-
-        return setImmediate(() => callback(NotSupportedError()))
-      }
-
-      if (ps.listenerCount(topic) === 0 || !subscriptions[topic]) {
-        const err = new Error(`Not subscribed to '${topic}'`)
-
-        if (!callback) {
-          return Promise.reject(err)
-        }
-
-        return setImmediate(() => callback(err))
-      }
-
-      if (!handler && !callback) {
-        ps.removeAllListeners(topic)
-      } else {
-        ps.removeListener(topic, handler)
-      }
-
-      // Drop the request once we are actually done
-      if (ps.listenerCount(topic) === 0) {
-        if (!callback) {
-          return new Promise((resolve, reject) => {
-            // When the response stream has ended, resolve the promise
-            eos(subscriptions[topic].res, (err) => {
-              // FIXME: Artificial timeout needed to ensure unsubscribed
-              setTimeout(() => {
-                if (err) return reject(err)
-                resolve()
-              })
-            })
-            subscriptions[topic].req.abort()
-            subscriptions[topic] = null
-          })
-        }
-
-        // When the response stream has ended, call the callback
-        eos(subscriptions[topic].res, (err) => {
-          // FIXME: Artificial timeout needed to ensure unsubscribed
-          setTimeout(() => callback(err))
-        })
-        subscriptions[topic].req.abort()
-        subscriptions[topic] = null
-        return
-      }
-
-      if (!callback) {
-        return Promise.resolve()
-      }
-
-      setImmediate(() => callback())
-    },
-    publish: promisify((topic, data, callback) => {
-      if (!isNode) {
-        return callback(NotSupportedError())
-      }
-
-      if (!Buffer.isBuffer(data)) {
-        return callback(new Error('data must be a Buffer'))
-      }
-
-      const request = {
-        path: 'pubsub/pub',
-        args: [topic, data]
-      }
-
-      send(request, callback)
-    }),
-    ls: promisify((callback) => {
-      if (!isNode) {
-        return callback(NotSupportedError())
-      }
-
-      const request = {
-        path: 'pubsub/ls'
-      }
-
-      send.andTransform(request, stringlistToArray, callback)
-    }),
-    peers: promisify((topic, callback) => {
-      if (!isNode) {
-        return callback(NotSupportedError())
-      }
-
-      const request = {
-        path: 'pubsub/peers',
-        args: [topic]
-      }
-
-      send.andTransform(request, stringlistToArray, callback)
-    }),
-    setMaxListeners (n) {
-      return ps.setMaxListeners(n)
-    }
-  }
-
-  function subscribe (topic, handler, options, callback) {
-    ps.on(topic, handler)
-
-    if (subscriptions[topic]) {
-      // TODO: should a callback error be returned?
-      return callback()
-    }
-
-    // Request params
-    const request = {
-      path: 'pubsub/sub',
-      args: [topic],
-      qs: {
-        discover: options.discover
-      }
-    }
-
-    // Start the request and transform the response
-    // stream to Pubsub messages stream
-    subscriptions[topic] = {}
-    subscriptions[topic].req = send.andTransform(request, PubsubMessageStream.from, (err, stream) => {
-      if (err) {
-        subscriptions[topic] = null
-        ps.removeListener(topic, handler)
-        return callback(err)
-      }
-
-      subscriptions[topic].res = stream
-
-      stream.on('data', (msg) => {
-        ps.emit(topic, msg)
-      })
-
-      stream.on('error', (err) => {
-        ps.emit('error', err)
-      })
-
-      eos(stream, (err) => {
-        if (err) {
-          ps.emit('error', err)
-        }
-
-        subscriptions[topic] = null
-        ps.removeListener(topic, handler)
-      })
-
-      callback()
-    })
-  }
-}
diff --git a/src/pubsub/index.js b/src/pubsub/index.js
new file mode 100644
index 000000000..e369bb6f3
--- /dev/null
+++ b/src/pubsub/index.js
@@ -0,0 +1,9 @@
+'use strict'
+
+module.exports = config => ({
+  ls: require('./ls')(config),
+  peers: require('./peers')(config),
+  publish: require('./publish')(config),
+  subscribe: require('./subscribe')(config),
+  unsubscribe: require('./unsubscribe')(config)
+})
diff --git a/src/pubsub/ls.js b/src/pubsub/ls.js
new file mode 100644
index 000000000..d2bc8f68d
--- /dev/null
+++ b/src/pubsub/ls.js
@@ -0,0 +1,18 @@
+'use strict'
+
+const configure = require('../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (options) => {
+    options = options || {}
+
+    const { Strings } = await ky.post('pubsub/ls', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
+
+    return Strings || []
+  }
+})
diff --git a/src/pubsub/peers.js b/src/pubsub/peers.js
new file mode 100644
index 000000000..5fa5b2436
--- /dev/null
+++ b/src/pubsub/peers.js
@@ -0,0 +1,26 @@
+'use strict'
+
+const configure = require('../lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (topic, options) => {
+    if (!options && typeof topic === 'object') {
+      options = topic
+      topic = null
+    }
+
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', topic)
+
+    const { Strings } = await ky.post('pubsub/peers', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return Strings || []
+  }
+})
diff --git a/src/pubsub/publish.js b/src/pubsub/publish.js
new file mode 100644
index 000000000..10a5017cc
--- /dev/null
+++ b/src/pubsub/publish.js
@@ -0,0 +1,23 @@
+'use strict'
+
+const { Buffer } = require('buffer')
+const configure = require('../lib/configure')
+const encodeBuffer = require('../lib/encode-buffer-uri-component')
+
+module.exports = configure(({ ky }) => {
+  return async (topic, data, options) => {
+    options = options || {}
+    data = Buffer.from(data)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', topic)
+
+    const res = await ky.post(`pubsub/pub?${searchParams}&arg=${encodeBuffer(data)}`, {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers
+    }).text()
+
+    return res
+  }
+})
diff --git a/src/pubsub/subscribe.js b/src/pubsub/subscribe.js
new file mode 100644
index 000000000..188a91664
--- /dev/null
+++ b/src/pubsub/subscribe.js
@@ -0,0 +1,86 @@
+'use strict'
+
+const ndjson = require('iterable-ndjson')
+const bs58 = require('bs58')
+const { Buffer } = require('buffer')
+const log = require('debug')('ipfs-http-client:pubsub:subscribe')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
+const SubscriptionTracker = require('./subscription-tracker')
+
+module.exports = configure((config) => {
+  const ky = config.ky
+  const subsTracker = SubscriptionTracker.singleton()
+  const publish = require('./publish')(config)
+
+  return async (topic, handler, options) => {
+    options = options || {}
+    options.signal = subsTracker.subscribe(topic, handler, options.signal)
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', topic)
+    if (options.discover != null) searchParams.set('discover', options.discover)
+
+    let res
+
+    // In Firefox, the initial call to fetch does not resolve until some data
+    // is received. If this doesn't happen within 1 second send an empty message
+    // to kickstart the process.
+    const ffWorkaround = setTimeout(async () => {
+      log(`Publishing empty message to "${topic}" to resolve subscription request`)
+      try {
+        await publish(topic, Buffer.alloc(0), options)
+      } catch (err) {
+        log('Failed to publish empty message', err)
+      }
+    }, 1000)
+
+    try {
+      res = await ky.post('pubsub/sub', {
+        timeout: options.timeout,
+        signal: options.signal,
+        headers: options.headers,
+        searchParams
+      })
+    } catch (err) { // Initial subscribe fail, ensure we clean up
+      subsTracker.unsubscribe(topic, handler)
+      throw err
+    }
+
+    clearTimeout(ffWorkaround)
+
+    readMessages(ndjson(toIterable(res.body)), {
+      onMessage: handler,
+      onEnd: () => subsTracker.unsubscribe(topic, handler),
+      onError: options.onError
+    })
+  }
+})
+
+async function readMessages (msgStream, { onMessage, onEnd, onError }) {
+  onError = onError || log
+
+  try {
+    for await (const msg of msgStream) {
+      try {
+        onMessage({
+          from: bs58.encode(Buffer.from(msg.from, 'base64')).toString(),
+          data: Buffer.from(msg.data, 'base64'),
+          seqno: Buffer.from(msg.seqno, 'base64'),
+          topicIDs: msg.topicIDs
+        })
+      } catch (err) {
+        err.message = `Failed to parse pubsub message: ${err.message}`
+        onError(err, false, msg) // Not fatal
+      }
+    }
+  } catch (err) {
+    // FIXME: In testing with Chrome, err.type is undefined (should not be!)
+    // Temporarily use the name property instead.
+    if (err.type !== 'aborted' && err.name !== 'AbortError') {
+      onError(err, true) // Fatal
+    }
+  } finally {
+    onEnd()
+  }
+}
diff --git a/src/pubsub/subscription-tracker.js b/src/pubsub/subscription-tracker.js
new file mode 100644
index 000000000..bbd7c2d7a
--- /dev/null
+++ b/src/pubsub/subscription-tracker.js
@@ -0,0 +1,52 @@
+'use strict'
+
+const AbortController = require('abort-controller')
+
+class SubscriptionTracker {
+  constructor () {
+    this._subs = new Map()
+  }
+
+  static singleton () {
+    if (SubscriptionTracker.instance) return SubscriptionTracker.instance
+    SubscriptionTracker.instance = new SubscriptionTracker()
+    return SubscriptionTracker.instance
+  }
+
+  subscribe (topic, handler, signal) {
+    const topicSubs = this._subs.get(topic) || []
+
+    if (topicSubs.find(s => s.handler === handler)) {
+      throw new Error(`Already subscribed to ${topic} with this handler`)
+    }
+
+    // Create controller so a call to unsubscribe can cancel the request
+    const controller = new AbortController()
+
+    this._subs.set(topic, [{ handler, controller }].concat(topicSubs))
+
+    // If there is an external signal, forward the abort event
+    if (signal) {
+      signal.addEventListener('abort', () => this.unsubscribe(topic, handler))
+    }
+
+    return controller.signal
+  }
+
+  unsubscribe (topic, handler) {
+    const subs = this._subs.get(topic) || []
+    let unsubs
+
+    if (handler) {
+      this._subs.set(topic, subs.filter(s => s.handler !== handler))
+      unsubs = subs.filter(s => s.handler === handler)
+    } else {
+      this._subs.set(topic, [])
+      unsubs = subs
+    }
+
+    unsubs.forEach(s => s.controller.abort())
+  }
+}
+
+module.exports = SubscriptionTracker
diff --git a/src/pubsub/unsubscribe.js b/src/pubsub/unsubscribe.js
new file mode 100644
index 000000000..6e7c727f4
--- /dev/null
+++ b/src/pubsub/unsubscribe.js
@@ -0,0 +1,10 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const SubscriptionTracker = require('./subscription-tracker')
+
+module.exports = configure(({ ky }) => {
+  const subsTracker = SubscriptionTracker.singleton()
+  // eslint-disable-next-line require-await
+  return async (topic, handler) => subsTracker.unsubscribe(topic, handler)
+})
diff --git a/src/refs.js b/src/refs.js
deleted file mode 100644
index 97d204124..000000000
--- a/src/refs.js
+++ /dev/null
@@ -1,40 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const streamToValue = require('./utils/stream-to-value')
-const moduleConfig = require('./utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  const refs = promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    const request = {
-      path: 'refs',
-      args: args,
-      qs: opts
-    }
-
-    send.andTransform(request, streamToValue, callback)
-  })
-
-  refs.local = promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    const request = {
-      path: 'refs/local',
-      qs: opts
-    }
-
-    send.andTransform(request, streamToValue, callback)
-  })
-
-  return refs
-}
diff --git a/src/refs/index.js b/src/refs/index.js
new file mode 100644
index 000000000..05a636feb
--- /dev/null
+++ b/src/refs/index.js
@@ -0,0 +1,61 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const { Buffer } = require('buffer')
+const CID = require('cids')
+const ndjson = require('iterable-ndjson')
+const toIterable = require('stream-to-it/source')
+const toCamel = require('../lib/object-to-camel')
+
+module.exports = config => {
+  const refs = (configure(({ ky }) => {
+    return async function * refs (args, options) {
+      options = options || {}
+
+      const searchParams = new URLSearchParams()
+
+      if (options.format !== undefined) {
+        searchParams.set('format', options.format)
+      }
+
+      if (options.edges !== undefined) {
+        searchParams.set('edges', options.edges)
+      }
+
+      if (options.unique !== undefined) {
+        searchParams.set('unique', options.unique)
+      }
+
+      if (options.recursive !== undefined) {
+        searchParams.set('recursive', options.recursive)
+      }
+
+      if (options.maxDepth !== undefined) {
+        searchParams.set('max-depth', options.maxDepth)
+      }
+
+      if (!Array.isArray(args)) {
+        args = [args]
+      }
+
+      for (const arg of args) {
+        searchParams.append('arg', `${Buffer.isBuffer(arg) ? new CID(arg) : arg}`)
+      }
+
+      const res = await ky.post('refs', {
+        timeout: options.timeout,
+        signal: options.signal,
+        headers: options.headers,
+        searchParams
+      })
+
+      for await (const file of ndjson(toIterable(res.body))) {
+        yield toCamel(file)
+      }
+    }
+  }))(config)
+
+  refs.local = require('./local')(config)
+
+  return refs
+}
diff --git a/src/refs/local.js b/src/refs/local.js
new file mode 100644
index 000000000..98e0fce40
--- /dev/null
+++ b/src/refs/local.js
@@ -0,0 +1,22 @@
+'use strict'
+
+const configure = require('../lib/configure')
+const ndjson = require('iterable-ndjson')
+const toIterable = require('stream-to-it/source')
+const toCamel = require('../lib/object-to-camel')
+
+module.exports = configure(({ ky }) => {
+  return async function * refsLocal (options) {
+    options = options || {}
+
+    const res = await ky.post('refs/local', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers
+    })
+
+    for await (const file of ndjson(toIterable(res.body))) {
+      yield toCamel(file)
+    }
+  }
+})
diff --git a/src/repo/gc.js b/src/repo/gc.js
index 27a9d3ca8..fc60a46bc 100644
--- a/src/repo/gc.js
+++ b/src/repo/gc.js
@@ -1,16 +1,29 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const CID = require('cids')
+const ndjson = require('iterable-ndjson')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
+module.exports = configure(({ ky }) => {
+  return async function * gc (peerId, options) {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.streamErrors) searchParams.set('stream-errors', options.streamErrors)
+
+    const res = await ky.post('repo/gc', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
+
+    for await (const gcResult of ndjson(toIterable(res.body))) {
+      yield {
+        err: gcResult.Error ? new Error(gcResult.Error) : null,
+        cid: (gcResult.Key || {})['/'] ? new CID(gcResult.Key['/']) : null
+      }
     }
-    send({
-      path: 'repo/gc',
-      qs: opts
-    }, callback)
-  })
-}
+  }
+})
diff --git a/src/repo/index.js b/src/repo/index.js
index d3ac72785..4785f55db 100644
--- a/src/repo/index.js
+++ b/src/repo/index.js
@@ -1,13 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    gc: require('./gc')(send),
-    stat: require('./stat')(send),
-    version: require('./version')(send)
-  }
-}
+module.exports = config => ({
+  gc: require('./gc')(config),
+  stat: require('./stat')(config),
+  version: require('./version')(config)
+})
diff --git a/src/repo/stat.js b/src/repo/stat.js
index 2b922de03..17895e353 100644
--- a/src/repo/stat.js
+++ b/src/repo/stat.js
@@ -1,28 +1,28 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const Big = require('bignumber.js')
+const configure = require('../lib/configure')
 
-const transform = function (res, callback) {
-  callback(null, {
-    numObjects: new Big(res.NumObjects),
-    repoSize: new Big(res.RepoSize),
-    repoPath: res.RepoPath,
-    version: res.Version,
-    storageMax: new Big(res.StorageMax)
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.sizeOnly) searchParams.set('size-only', options.sizeOnly)
+
+    const res = await ky.post('repo/stat', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
 
-    send.andTransform({
-      path: 'repo/stat',
-      qs: opts
-    }, transform, callback)
-  })
-}
+    return {
+      numObjects: new Big(res.NumObjects),
+      repoSize: new Big(res.RepoSize),
+      repoPath: res.RepoPath,
+      version: res.Version,
+      storageMax: new Big(res.StorageMax)
+    }
+  }
+})
diff --git a/src/repo/version.js b/src/repo/version.js
index 84e2a0008..1bfc708e0 100644
--- a/src/repo/version.js
+++ b/src/repo/version.js
@@ -1,21 +1,21 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-const transform = function (res, callback) {
-  callback(null, res.Version)
-}
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.sizeOnly) searchParams.set('size-only', options.sizeOnly)
 
-    send.andTransform({
-      path: 'repo/version',
-      qs: opts
-    }, transform, callback)
-  })
-}
+    const res = await ky.post('repo/version', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return res.Version
+  }
+})
diff --git a/src/resolve.js b/src/resolve.js
index f48a3b02b..33c44b6e6 100644
--- a/src/resolve.js
+++ b/src/resolve.js
@@ -1,54 +1,25 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const multibase = require('multibase')
-const CID = require('cids')
-
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    opts = opts || {}
-
-    if (opts.cidBase) {
-      opts['cid-base'] = opts.cidBase
-      delete opts.cidBase
-    }
-
-    const transform = (res, callback) => {
-      if (!opts['cid-base']) {
-        return callback(null, res.Path)
-      }
-
-      // FIXME: remove when go-ipfs supports ?cid-base for /api/v0/resolve
-      // https://github.com/ipfs/go-ipfs/pull/5777#issuecomment-439838555
-      const parts = res.Path.split('/') // ['', 'ipfs', 'QmHash', ...]
-
-      if (multibase.isEncoded(parts[2]) !== opts['cid-base']) {
-        try {
-          let cid = new CID(parts[2])
-
-          if (cid.version === 0 && opts['cid-base'] !== 'base58btc') {
-            cid = cid.toV1()
-          }
-
-          parts[2] = cid.toBaseEncodedString(opts['cid-base'])
-          res.Path = parts.join('/')
-        } catch (err) {
-          return callback(err)
-        }
-      }
-
-      callback(null, res.Path)
-    }
-
-    send.andTransform({
-      path: 'resolve',
-      args: args,
-      qs: opts
-    }, transform, callback)
-  })
-}
+const configure = require('./lib/configure')
+
+module.exports = configure(({ ky }) => {
+  return async (path, options) => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    searchParams.set('arg', `${path}`)
+    if (options.cidBase) searchParams.set('cid-base', options.cidBase)
+    if (options.dhtRecordCount) searchParams.set('dht-record-count', options.dhtRecordCount)
+    if (options.dhtTimeout) searchParams.set('dht-timeout', options.dhtTimeout)
+    if (options.recursive != null) searchParams.set('recursive', options.recursive)
+
+    const res = await ky.post('resolve', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return res.Path
+  }
+})
diff --git a/src/stats/bitswap.js b/src/stats/bitswap.js
deleted file mode 100644
index 3f641f680..000000000
--- a/src/stats/bitswap.js
+++ /dev/null
@@ -1,32 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const Big = require('bignumber.js')
-
-const transform = function (res, callback) {
-  callback(null, {
-    provideBufLen: res.ProvideBufLen,
-    wantlist: res.Wantlist || [],
-    peers: res.Peers || [],
-    blocksReceived: new Big(res.BlocksReceived),
-    dataReceived: new Big(res.DataReceived),
-    blocksSent: new Big(res.BlocksSent),
-    dataSent: new Big(res.DataSent),
-    dupBlksReceived: new Big(res.DupBlksReceived),
-    dupDataReceived: new Big(res.DupDataReceived)
-  })
-}
-
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    send.andTransform({
-      path: 'stats/bitswap',
-      qs: opts
-    }, transform, callback)
-  })
-}
diff --git a/src/stats/bw-pull-stream.js b/src/stats/bw-pull-stream.js
deleted file mode 100644
index 26a4eb311..000000000
--- a/src/stats/bw-pull-stream.js
+++ /dev/null
@@ -1,31 +0,0 @@
-'use strict'
-
-const toPull = require('stream-to-pull-stream')
-const map = require('pull-stream/throughs/map')
-const pull = require('pull-stream/pull')
-const transformChunk = require('./bw-util')
-const deferred = require('pull-defer')
-
-module.exports = (send) => {
-  return (opts) => {
-    opts = opts || {}
-
-    const p = deferred.source()
-
-    send({
-      path: 'stats/bw',
-      qs: opts
-    }, (err, stream) => {
-      if (err) {
-        return p.end(err)
-      }
-
-      p.resolve(pull(
-        toPull.source(stream),
-        map(transformChunk)
-      ))
-    })
-
-    return p
-  }
-}
diff --git a/src/stats/bw-readable-stream.js b/src/stats/bw-readable-stream.js
deleted file mode 100644
index c36fea518..000000000
--- a/src/stats/bw-readable-stream.js
+++ /dev/null
@@ -1,31 +0,0 @@
-'use strict'
-
-const Stream = require('readable-stream')
-const pump = require('pump')
-const transformChunk = require('./bw-util')
-
-module.exports = (send) => {
-  return (opts) => {
-    opts = opts || {}
-
-    const pt = new Stream.Transform({
-      objectMode: true,
-      transform (chunk, encoding, cb) {
-        cb(null, transformChunk(chunk))
-      }
-    })
-
-    send({
-      path: 'stats/bw',
-      qs: opts
-    }, (err, stream) => {
-      if (err) {
-        return pt.destroy(err)
-      }
-
-      pump(stream, pt)
-    })
-
-    return pt
-  }
-}
diff --git a/src/stats/bw-util.js b/src/stats/bw-util.js
deleted file mode 100644
index 928ee0c3c..000000000
--- a/src/stats/bw-util.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict'
-
-const Big = require('bignumber.js')
-
-module.exports = (chunk) => {
-  return {
-    totalIn: new Big(chunk.TotalIn),
-    totalOut: new Big(chunk.TotalOut),
-    rateIn: new Big(chunk.RateIn),
-    rateOut: new Big(chunk.RateOut)
-  }
-}
diff --git a/src/stats/bw.js b/src/stats/bw.js
index 1db636a25..12bc6d44a 100644
--- a/src/stats/bw.js
+++ b/src/stats/bw.js
@@ -1,29 +1,34 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const streamToValue = require('../utils/stream-to-value')
-const transformChunk = require('./bw-util')
+const ndjson = require('iterable-ndjson')
+const Big = require('bignumber.js')
+const configure = require('../lib/configure')
+const toIterable = require('stream-to-it/source')
 
-const transform = (res, callback) => {
-  return streamToValue(res, (err, data) => {
-    if (err) {
-      return callback(err)
-    }
+module.exports = configure(({ ky }) => {
+  return async function * bw (options) {
+    options = options || {}
 
-    callback(null, transformChunk(data[0]))
-  })
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.interval) searchParams.set('interval', options.interval)
+    if (options.peer) searchParams.set('peer', options.peer)
+    if (options.poll != null) searchParams.set('poll', options.poll)
+    if (options.proto) searchParams.set('proto', options.proto)
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const res = await ky.post('stats/bw', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    })
 
-    send.andTransform({
-      path: 'stats/bw',
-      qs: opts
-    }, transform, callback)
-  })
-}
+    for await (const stats of ndjson(toIterable(res.body))) {
+      yield {
+        totalIn: new Big(stats.TotalIn),
+        totalOut: new Big(stats.TotalOut),
+        rateIn: new Big(stats.RateIn),
+        rateOut: new Big(stats.RateOut)
+      }
+    }
+  }
+})
diff --git a/src/stats/index.js b/src/stats/index.js
index 445a39835..d13a534a7 100644
--- a/src/stats/index.js
+++ b/src/stats/index.js
@@ -1,15 +1,7 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    bitswap: require('./bitswap')(send),
-    bw: require('./bw')(send),
-    bwReadableStream: require('./bw-readable-stream')(send),
-    bwPullStream: require('./bw-pull-stream')(send),
-    repo: require('./repo')(send)
-  }
-}
+module.exports = config => ({
+  bitswap: require('../bitswap/stat')(config),
+  bw: require('./bw')(config),
+  repo: require('../repo/stat')(config)
+})
diff --git a/src/stats/repo.js b/src/stats/repo.js
deleted file mode 100644
index 81f808951..000000000
--- a/src/stats/repo.js
+++ /dev/null
@@ -1,28 +0,0 @@
-'use strict'
-
-const promisify = require('promisify-es6')
-const Big = require('bignumber.js')
-
-const transform = function (res, callback) {
-  callback(null, {
-    numObjects: new Big(res.NumObjects),
-    repoSize: new Big(res.RepoSize),
-    repoPath: res.RepoPath,
-    version: res.Version,
-    storageMax: new Big(res.StorageMax)
-  })
-}
-
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-
-    send.andTransform({
-      path: 'stats/repo',
-      qs: opts
-    }, transform, callback)
-  })
-}
diff --git a/src/stop.js b/src/stop.js
index 0da69eaa1..7cae46880 100644
--- a/src/stop.js
+++ b/src/stop.js
@@ -1,12 +1,16 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
+const configure = require('./lib/configure')
 
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
+module.exports = configure(({ ky }) => {
+  return options => {
+    options = options || {}
 
-  return promisify((callback) => {
-    send({ path: 'shutdown' }, callback)
-  })
-}
+    return ky.post('shutdown', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).text()
+  }
+})
diff --git a/src/swarm/addrs.js b/src/swarm/addrs.js
index 103df148b..c4b6576f6 100644
--- a/src/swarm/addrs.js
+++ b/src/swarm/addrs.js
@@ -1,33 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const PeerInfo = require('peer-info')
-const PeerId = require('peer-id')
 const multiaddr = require('multiaddr')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    send({
-      path: 'swarm/addrs',
-      qs: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-      const peers = Object.keys(result.Addrs).map((id) => {
-        const peerInfo = new PeerInfo(PeerId.createFromB58String(id))
-        result.Addrs[id].forEach((addr) => {
-          peerInfo.multiaddrs.add(multiaddr(addr))
-        })
-        return peerInfo
-      })
+    const res = await ky.post('swarm/addrs', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
 
-      callback(null, peers)
-    })
-  })
-}
+    return Object.keys(res.Addrs).map(id => ({
+      id,
+      addrs: (res.Addrs[id] || []).map(a => multiaddr(a))
+    }))
+  }
+})
diff --git a/src/swarm/connect.js b/src/swarm/connect.js
index 9875af411..f47ae6974 100644
--- a/src/swarm/connect.js
+++ b/src/swarm/connect.js
@@ -1,17 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    send({
-      path: 'swarm/connect',
-      args: args,
-      qs: opts
-    }, callback)
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (addrs, options) => {
+    addrs = Array.isArray(addrs) ? addrs : [addrs]
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    addrs.forEach(addr => searchParams.append('arg', addr))
+
+    const res = await ky.post('swarm/connect', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return res.Strings || []
+  }
+})
diff --git a/src/swarm/disconnect.js b/src/swarm/disconnect.js
index 84b800f7e..e83ca0dd4 100644
--- a/src/swarm/disconnect.js
+++ b/src/swarm/disconnect.js
@@ -1,17 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((args, opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    send({
-      path: 'swarm/disconnect',
-      args: args,
-      qs: opts
-    }, callback)
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async (addrs, options) => {
+    addrs = Array.isArray(addrs) ? addrs : [addrs]
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    addrs.forEach(addr => searchParams.append('arg', `${addr}`))
+
+    const res = await ky.post('swarm/disconnect', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return res.Strings || []
+  }
+})
diff --git a/src/swarm/index.js b/src/swarm/index.js
index fe8c88b35..84648439d 100644
--- a/src/swarm/index.js
+++ b/src/swarm/index.js
@@ -1,15 +1,9 @@
 'use strict'
 
-const moduleConfig = require('../utils/module-config')
-
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
-
-  return {
-    peers: require('./peers')(send),
-    connect: require('./connect')(send),
-    disconnect: require('./disconnect')(send),
-    addrs: require('./addrs')(send),
-    localAddrs: require('./localAddrs')(send)
-  }
-}
+module.exports = config => ({
+  addrs: require('./addrs')(config),
+  connect: require('./connect')(config),
+  disconnect: require('./disconnect')(config),
+  localAddrs: require('./localAddrs')(config),
+  peers: require('./peers')(config)
+})
diff --git a/src/swarm/localAddrs.js b/src/swarm/localAddrs.js
index 4798aad52..41c32db2d 100644
--- a/src/swarm/localAddrs.js
+++ b/src/swarm/localAddrs.js
@@ -1,24 +1,22 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const multiaddr = require('multiaddr')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    send({
-      path: 'swarm/addrs/local',
-      qs: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, result.Strings.map((addr) => {
-        return multiaddr(addr)
-      }))
-    })
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
+
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.id != null) searchParams.append('id', options.id)
+
+    const res = await ky.post('swarm/addrs/local', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
+
+    return (res.Strings || []).map(a => multiaddr(a))
+  }
+})
diff --git a/src/swarm/peers.js b/src/swarm/peers.js
index 37d11cd7e..8388af49f 100644
--- a/src/swarm/peers.js
+++ b/src/swarm/peers.js
@@ -1,74 +1,47 @@
 'use strict'
 
-const promisify = require('promisify-es6')
 const multiaddr = require('multiaddr')
-const PeerId = require('peer-id')
+const configure = require('../lib/configure')
 
-module.exports = (send) => {
-  return promisify((opts, callback) => {
-    if (typeof (opts) === 'function') {
-      callback = opts
-      opts = {}
-    }
-    const verbose = opts.v || opts.verbose
-    send({
-      path: 'swarm/peers',
-      qs: opts
-    }, (err, response) => {
-      if (err) {
-        return callback(err)
-      }
-      const peerInfo = parsePeersResponse(verbose, response)
-      callback(null, peerInfo)
-    })
-  })
-}
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-function parsePeersResponse (verbose, response) {
-  // go-ipfs <= 0.4.4
-  if (Array.isArray(response.Strings)) {
-    return response.Strings.map(parseLegacyPeer.bind(null, verbose))
-  }
-  // go-ipfs >= 0.4.5
-  if (Array.isArray(response.Peers)) {
-    return response.Peers.map(parsePeer.bind(null, verbose))
-  }
-  return []
-}
+    const searchParams = new URLSearchParams(options.searchParams)
+    if (options.direction != null) searchParams.append('direction', options.direction)
+    if (options.latency != null) searchParams.append('latency', options.latency)
+    if (options.streams != null) searchParams.append('streams', options.streams)
+    if (options.verbose != null) searchParams.append('verbose', options.verbose)
 
-function parseLegacyPeer (verbose, peer) {
-  const res = {}
-  try {
-    if (verbose) {
-      const parts = peer.split(' ')
-      res.addr = multiaddr(parts[0])
-      res.latency = parts[1]
-    } else {
-      res.addr = multiaddr(peer)
-    }
-    res.peer = PeerId.createFromB58String(res.addr.getPeerId())
-  } catch (error) {
-    res.error = error
-    res.rawPeerInfo = peer
-  }
-  return res
-}
+    const res = await ky.post('swarm/peers', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams
+    }).json()
 
-function parsePeer (verbose, peer) {
-  const res = {}
-  try {
-    res.addr = multiaddr(peer.Addr)
-    res.peer = PeerId.createFromB58String(peer.Peer)
-    res.muxer = peer.Muxer
-  } catch (error) {
-    res.error = error
-    res.rawPeerInfo = peer
-  }
-  if (peer.Latency) {
-    res.latency = peer.Latency
-  }
-  if (peer.Streams) {
-    res.streams = peer.Streams
+    return (res.Peers || []).map(peer => {
+      const info = {}
+      try {
+        info.addr = multiaddr(peer.Addr)
+        info.peer = peer.Peer
+      } catch (error) {
+        info.error = error
+        info.rawPeerInfo = peer
+      }
+      if (peer.Muxer) {
+        info.muxer = peer.Muxer
+      }
+      if (peer.Latency) {
+        info.latency = peer.Latency
+      }
+      if (peer.Streams) {
+        info.streams = peer.Streams
+      }
+      if (peer.Direction != null) {
+        info.direction = peer.Direction
+      }
+      return info
+    })
   }
-  return res
-}
+})
diff --git a/src/update.js b/src/update.js
index aee1a64a6..91bea6f7f 100644
--- a/src/update.js
+++ b/src/update.js
@@ -1,41 +1,16 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
+const configure = require('./lib/configure')
 
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
+module.exports = configure(({ ky }) => {
+  return options => {
+    options = options || {}
 
-  return {
-    apply: promisify((opts, callback) => {
-      if (typeof (opts) === 'function') {
-        callback = opts
-        opts = {}
-      }
-      send({
-        path: 'update',
-        qs: opts
-      }, callback)
-    }),
-    check: promisify((opts, callback) => {
-      if (typeof (opts) === 'function') {
-        callback = opts
-        opts = {}
-      }
-      send({
-        path: 'update/check',
-        qs: opts
-      }, callback)
-    }),
-    log: promisify((opts, callback) => {
-      if (typeof (opts) === 'function') {
-        callback = opts
-        opts = {}
-      }
-      send({
-        path: 'update/log',
-        qs: opts
-      }, callback)
-    })
+    return ky.post('update', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).text()
   }
-}
+})
diff --git a/src/utils/clean-cid.js b/src/utils/clean-cid.js
deleted file mode 100644
index 1767c9ac2..000000000
--- a/src/utils/clean-cid.js
+++ /dev/null
@@ -1,17 +0,0 @@
-'use strict'
-
-const CID = require('cids')
-
-module.exports = function (cid) {
-  if (Buffer.isBuffer(cid)) {
-    return new CID(cid).toString()
-  }
-  if (CID.isCID(cid)) {
-    return cid.toString()
-  }
-  if (typeof cid !== 'string') {
-    throw new Error('unexpected cid type: ' + typeof cid)
-  }
-  new CID(cid.split('/')[0]) // eslint-disable-line no-new
-  return cid
-}
diff --git a/src/utils/clean-multihash.js b/src/utils/clean-multihash.js
deleted file mode 100644
index 230135ad7..000000000
--- a/src/utils/clean-multihash.js
+++ /dev/null
@@ -1,21 +0,0 @@
-'use strict'
-
-const bs58 = require('bs58')
-const CID = require('cids')
-const isIPFS = require('is-ipfs')
-
-module.exports = function (multihash) {
-  if (Buffer.isBuffer(multihash)) {
-    multihash = bs58.encode(multihash)
-  }
-  if (CID.isCID(multihash)) {
-    multihash = multihash.toBaseEncodedString()
-  }
-  if (typeof multihash !== 'string') {
-    throw new Error('unexpected multihash type: ' + typeof multihash)
-  }
-  if (!isIPFS.multihash(multihash.split('/')[0])) {
-    throw new Error('not valid multihash')
-  }
-  return multihash
-}
diff --git a/src/utils/default-config.js b/src/utils/default-config.js
deleted file mode 100644
index 5ae6ae82e..000000000
--- a/src/utils/default-config.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict'
-
-const pkg = require('../../package.json')
-
-exports = module.exports = () => {
-  return {
-    'api-path': '/api/v0/',
-    'user-agent': `/node-${pkg.name}/${pkg.version}/`,
-    host: 'localhost',
-    port: '5001',
-    protocol: 'http'
-  }
-}
diff --git a/src/utils/file-result-stream-converter.js b/src/utils/file-result-stream-converter.js
deleted file mode 100644
index 7f5b19aeb..000000000
--- a/src/utils/file-result-stream-converter.js
+++ /dev/null
@@ -1,44 +0,0 @@
-'use strict'
-
-const TransformStream = require('readable-stream').Transform
-
-/*
-  Transforms a stream of {Name, Hash} objects to include size
-  of the DAG object.
-
-  Usage: inputStream.pipe(new FileResultStreamConverter())
-
-  Input object format:
-  {
-    Name: '/path/to/file/foo.txt',
-    Hash: 'Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP'
-    Size: '20'
-  }
-
-  Output object format:
-  {
-    path: '/path/to/file/foo.txt',
-    hash: 'Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
-    size: 20
-  }
-*/
-class FileResultStreamConverter extends TransformStream {
-  constructor (options) {
-    const opts = Object.assign({}, options || {}, { objectMode: true })
-    super(opts)
-  }
-
-  _transform (obj, enc, callback) {
-    if (!obj.Hash) {
-      return callback()
-    }
-
-    callback(null, {
-      path: obj.Name,
-      hash: obj.Hash,
-      size: parseInt(obj.Size, 10)
-    })
-  }
-}
-
-module.exports = FileResultStreamConverter
diff --git a/src/utils/load-commands.js b/src/utils/load-commands.js
deleted file mode 100644
index 030aef5ab..000000000
--- a/src/utils/load-commands.js
+++ /dev/null
@@ -1,77 +0,0 @@
-'use strict'
-
-function requireCommands () {
-  return {
-    // Files Regular (not MFS)
-    add: require('../files-regular/add'),
-    addReadableStream: require('../files-regular/add-readable-stream'),
-    addPullStream: require('../files-regular/add-pull-stream'),
-    addFromFs: require('../files-regular/add-from-fs'),
-    addFromURL: require('../files-regular/add-from-url'),
-    addFromStream: require('../files-regular/add'),
-    cat: require('../files-regular/cat'),
-    catReadableStream: require('../files-regular/cat-readable-stream'),
-    catPullStream: require('../files-regular/cat-pull-stream'),
-    get: require('../files-regular/get'),
-    getReadableStream: require('../files-regular/get-readable-stream'),
-    getPullStream: require('../files-regular/get-pull-stream'),
-    ls: require('../files-regular/ls'),
-    lsReadableStream: require('../files-regular/ls-readable-stream'),
-    lsPullStream: require('../files-regular/ls-pull-stream'),
-
-    // Files MFS (Mutable Filesystem)
-    files: require('../files-mfs'),
-
-    // Block
-    block: require('../block'),
-    bitswap: require('../bitswap'),
-
-    // Graph
-    dag: require('../dag'),
-    object: require('../object'),
-    pin: require('../pin'),
-
-    // Network
-    bootstrap: require('../bootstrap'),
-    dht: require('../dht'),
-    name: require('../name'),
-    ping: require('../ping'),
-    pingReadableStream: require('../ping-readable-stream'),
-    pingPullStream: require('../ping-pull-stream'),
-    swarm: require('../swarm'),
-    pubsub: require('../pubsub'),
-    dns: require('../dns'),
-
-    // Miscellaneous
-    commands: require('../commands'),
-    config: require('../config'),
-    diag: require('../diag'),
-    id: require('../id'),
-    key: require('../key'),
-    log: require('../log'),
-    mount: require('../mount'),
-    refs: require('../refs'),
-    repo: require('../repo'),
-    stop: require('../stop'),
-    shutdown: require('../stop'),
-    stats: require('../stats'),
-    update: require('../update'),
-    version: require('../version'),
-    resolve: require('../resolve'),
-    // ipfs-http-client instance
-    getEndpointConfig: (send, config) => require('../get-endpoint-config')(config)
-  }
-}
-
-function loadCommands (send, config) {
-  const files = requireCommands()
-  const cmds = {}
-
-  Object.keys(files).forEach((file) => {
-    cmds[file] = files[file](send, config)
-  })
-
-  return cmds
-}
-
-module.exports = loadCommands
diff --git a/src/utils/module-config.js b/src/utils/module-config.js
deleted file mode 100644
index 4e1b0e6a1..000000000
--- a/src/utils/module-config.js
+++ /dev/null
@@ -1,22 +0,0 @@
-'use strict'
-
-const getConfig = require('./default-config')
-const sendRequest = require('./send-request')
-const multiaddr = require('multiaddr')
-
-module.exports = (arg) => {
-  const config = getConfig()
-
-  if (typeof arg === 'function') {
-    return arg
-  } else if (typeof arg === 'object') {
-    return sendRequest(arg)
-  } else if (typeof arg === 'string') {
-    const maddr = multiaddr(arg).nodeAddress()
-    config.host = maddr.address
-    config.port = maddr.port
-    return sendRequest(config)
-  } else {
-    throw new Error('Argument must be a send function or a config object.')
-  }
-}
diff --git a/src/utils/multipart.js b/src/utils/multipart.js
deleted file mode 100644
index 22006c435..000000000
--- a/src/utils/multipart.js
+++ /dev/null
@@ -1,128 +0,0 @@
-'use strict'
-
-const Transform = require('readable-stream').Transform
-const isNode = require('detect-node')
-const isSource = require('is-pull-stream').isSource
-const toStream = require('pull-to-stream')
-
-const PADDING = '--'
-const NEW_LINE = '\r\n'
-const NEW_LINE_BUFFER = Buffer.from(NEW_LINE)
-
-class Multipart extends Transform {
-  constructor (options) {
-    super(Object.assign({}, options, { objectMode: true, highWaterMark: 1 }))
-
-    this._boundary = this._generateBoundary()
-    this._files = []
-    this._draining = false
-  }
-
-  _flush () {
-    this.push(Buffer.from(PADDING + this._boundary + PADDING + NEW_LINE))
-    this.push(null)
-  }
-
-  _generateBoundary () {
-    var boundary = '--------------------------'
-    for (var i = 0; i < 24; i++) {
-      boundary += Math.floor(Math.random() * 10).toString(16)
-    }
-
-    return boundary
-  }
-
-  _transform (file, encoding, callback) {
-    if (Buffer.isBuffer(file)) {
-      this.push(file)
-      return callback() // early
-    }
-    // not a buffer, must be a file
-    this._files.push(file)
-    this._maybeDrain(callback)
-  }
-
-  _maybeDrain (callback) {
-    if (!this._draining) {
-      if (this._files.length) {
-        this._draining = true
-        const file = this._files.shift()
-        this._pushFile(file, (err) => {
-          this._draining = false
-          if (err) {
-            this.emit('error', err)
-          } else {
-            this._maybeDrain(callback)
-          }
-        })
-      } else {
-        this.emit('drained all files')
-        callback()
-      }
-    } else {
-      this.once('drained all files', callback)
-    }
-  }
-
-  _pushFile (file, callback) {
-    const leading = this._leading(file.headers || {})
-
-    this.push(leading)
-
-    let content = file.content || Buffer.alloc(0)
-
-    if (Buffer.isBuffer(content)) {
-      this.push(content)
-      this.push(NEW_LINE_BUFFER)
-      return callback() // early
-    }
-
-    if (isSource(content)) {
-      content = toStream.readable(content)
-    }
-
-    // From now on we assume content is a stream
-
-    content.once('error', this.emit.bind(this, 'error'))
-
-    content.once('end', () => {
-      this.push(NEW_LINE_BUFFER)
-      callback()
-
-      // TODO: backpressure!!! wait once self is drained so we can proceed
-      // This does not work
-      // this.once('drain', () => {
-      //   callback()
-      // })
-    })
-
-    content.on('data', (data) => {
-      const drained = this.push(data)
-      // Only do the drain dance on Node.js.
-      // In browserland, the underlying stream
-      // does NOT drain because the request is only sent
-      // once this stream ends.
-      if (!drained && isNode) {
-        content.pause()
-        this.once('drain', () => content.resume())
-      }
-    })
-  }
-
-  _leading (headers) {
-    var leading = [PADDING + this._boundary]
-
-    Object.keys(headers).forEach((header) => {
-      leading.push(header + ': ' + headers[header])
-    })
-
-    leading.push('')
-    leading.push('')
-
-    const leadingStr = leading.join(NEW_LINE)
-
-    return Buffer.from(leadingStr)
-  }
-}
-
-module.exports = Multipart
diff --git a/src/utils/ping-message-converter.js b/src/utils/ping-message-converter.js
deleted file mode 100644
index 79d9fc3be..000000000
--- a/src/utils/ping-message-converter.js
+++ /dev/null
@@ -1,23 +0,0 @@
-'use strict'
-
-// Converts IPFS API ping messages to lowercase
-//
-// {
-//  Success: true,
-//  Text: 'foobar',
-//  Time: 0
-// }
-//
-
-module.exports = function pingMessageConverter (obj) {
-  if (!isPingMessage(obj)) throw new Error('Invalid ping message received')
-  return {
-    success: obj.Success,
-    time: obj.Time,
-    text: obj.Text
-  }
-}
-
-function isPingMessage (obj) {
-  return obj && typeof obj.Success === 'boolean'
-}
diff --git a/src/utils/ping-message-stream.js b/src/utils/ping-message-stream.js
deleted file mode 100644
index 944e2d9cf..000000000
--- a/src/utils/ping-message-stream.js
+++ /dev/null
@@ -1,27 +0,0 @@
-'use strict'
-
-const TransformStream = require('readable-stream').Transform
-const pingMessageConverter = require('./ping-message-converter')
-
-class PingMessageStream extends TransformStream {
-  constructor (options) {
-    const opts = Object.assign(options || {}, { objectMode: true })
-    super(opts)
-  }
-
-  _transform (obj, enc, callback) {
-    try {
-      const msg = pingMessageConverter(obj)
-      this.push(msg)
-
-      if (!msg.success) {
-        throw new Error(msg.text)
-      }
-    } catch (err) {
-      return callback(err)
-    }
-    callback()
-  }
-}
-
-module.exports = PingMessageStream
diff --git a/src/utils/prepare-file.js b/src/utils/prepare-file.js
deleted file mode 100644
index 738c4a4c0..000000000
--- a/src/utils/prepare-file.js
+++ /dev/null
@@ -1,106 +0,0 @@
-'use strict'
-
-const isNode = require('detect-node')
-const flatmap = require('flatmap')
-
-function loadPaths (opts, file) {
-  const path = require('path')
-  const fs = require('fs')
-  const glob = require('glob')
-
-  const followSymlinks = opts.followSymlinks != null ? opts.followSymlinks : true
-
-  file = path.resolve(file)
-  const stats = fs.statSync(file)
-
-  if (stats.isDirectory() && !opts.recursive) {
-    throw new Error('Can only add directories using --recursive')
-  }
-
-  if (stats.isDirectory() && opts.recursive) {
-    // glob requires a POSIX filename
-    file = file.split(path.sep).join('/')
-    const fullDir = file + (file.endsWith('/') ? '' : '/')
-    let dirName = fullDir.split('/')
-    dirName = dirName[dirName.length - 2] + '/'
-    const mg = new glob.sync.GlobSync('**/*', {
-      cwd: file,
-      follow: followSymlinks,
-      dot: opts.hidden,
-      ignore: opts.ignore
-    })
-
-    return mg.found
-      .map((name) => {
-        const fqn = fullDir + name
-        // symlinks
-        if (mg.symlinks[fqn] === true) {
-          return {
-            path: dirName + name,
-            symlink: true,
-            dir: false,
-            content: fs.readlinkSync(fqn)
-          }
-        }
-
-        // files
-        if (mg.cache[fqn] === 'FILE') {
-          return {
-            path: dirName + name,
-            symlink: false,
-            dir: false,
-            content: fs.createReadStream(fqn)
-          }
-        }
-
-        // directories
-        if (mg.cache[fqn] === 'DIR' || mg.cache[fqn] instanceof Array) {
-          return {
-            path: dirName + name,
-            symlink: false,
-            dir: true
-          }
-        }
-        // files inside symlinks and others
-      })
-      // filter out null files
-      .filter(Boolean)
-  }
-
-  return {
-    path: path.basename(file),
-    content: fs.createReadStream(file)
-  }
-}
-
-function prepareFile (file, opts) {
-  let files = [].concat(file)
-
-  return flatmap(files, (file) => {
-    if (typeof file === 'string') {
-      if (!isNode) {
-        throw new Error('Can only add file paths in node')
-      }
-
-      return loadPaths(opts, file)
-    }
-
-    if (file.path && !file.content) {
-      file.dir = true
-      return file
-    }
-
-    if (file.content || file.dir) {
-      return file
-    }
-
-    return {
-      path: '',
-      symlink: false,
-      dir: false,
-      content: file
-    }
-  })
-}
-
-exports = module.exports = prepareFile
diff --git a/src/utils/progress-stream.js b/src/utils/progress-stream.js
deleted file mode 100644
index 272c47c6c..000000000
--- a/src/utils/progress-stream.js
+++ /dev/null
@@ -1,49 +0,0 @@
-'use strict'
-
-const Transform = require('readable-stream').Transform
-
-/*
-  A transform stream to track progress events on file upload
-
-  When the progress flag is passed to the HTTP api, the stream
-  emits progress events like such:
-
-  {
-    Name  string
-    Hash  string `json:",omitempty"`
-    Bytes int64  `json:",omitempty"`
-    Size  string `json:",omitempty"`
-  }
-
-  This class will take care of detecting such
-  events and calling the associated track method
-  with the bytes sent so far as parameter. It will
-  also skip them from the stream, emitting only
-  when the final object has been uploaded and we
-  got a hash.
-*/
-class ProgressStream extends Transform {
-  constructor (opts) {
-    opts = Object.assign(opts || {}, { objectMode: true })
-    super(opts)
-    this._track = opts.track || (() => {})
-  }
-
-  static fromStream (track, stream) {
-    const prog = new ProgressStream({ track })
-    return stream.pipe(prog)
-  }
-
-  _transform (chunk, encoding, callback) {
-    if (chunk &&
-      typeof chunk.Bytes !== 'undefined' &&
-      typeof chunk.Hash === 'undefined') {
-      this._track(chunk.Bytes)
-      return callback()
-    }
-
-    callback(null, chunk)
-  }
-}
-
-module.exports = ProgressStream
diff --git a/src/utils/pubsub-message-stream.js b/src/utils/pubsub-message-stream.js
deleted file mode 100644
index 992529213..000000000
--- a/src/utils/pubsub-message-stream.js
+++ /dev/null
@@ -1,34 +0,0 @@
-'use strict'
-
-const TransformStream = require('readable-stream').Transform
-const PubsubMessage = require('./pubsub-message-utils')
-
-class PubsubMessageStream extends TransformStream {
-  constructor (options) {
-    const opts = Object.assign(options || {}, { objectMode: true })
-    super(opts)
-  }
-
-  static from (inputStream, callback) {
-    let outputStream = inputStream.pipe(new PubsubMessageStream())
-    inputStream.on('end', () => outputStream.emit('end'))
-    callback(null, outputStream)
-  }
-
-  _transform (obj, enc, callback) {
-    // go-ipfs returns '{}' as the very first object atm, we skip that
-    if (Object.keys(obj).length === 0) {
-      return callback()
-    }
-
-    try {
-      const msg = PubsubMessage.deserialize(obj, 'base64')
-      this.push(msg)
-      callback()
-    } catch (err) {
-      return callback(err)
-    }
-  }
-}
-
-module.exports = PubsubMessageStream
diff --git a/src/utils/pubsub-message-utils.js b/src/utils/pubsub-message-utils.js
deleted file mode 100644
index 53d1e397a..000000000
--- a/src/utils/pubsub-message-utils.js
+++ /dev/null
@@ -1,39 +0,0 @@
-'use strict'
-
-const bs58 = require('bs58')
-
-module.exports = {
-  deserialize (data, enc) {
-    enc = enc ? enc.toLowerCase() : 'json'
-
-    if (enc === 'json') {
-      return deserializeFromJson(data)
-    } else if (enc === 'base64') {
-      return deserializeFromBase64(data)
-    }
-
-    throw new Error(`Unsupported encoding: '${enc}'`)
-  }
-}
-
-function deserializeFromJson (data) {
-  const json = JSON.parse(data)
-  return deserializeFromBase64(json)
-}
-
-function deserializeFromBase64 (obj) {
-  if (!isPubsubMessage(obj)) {
-    throw new Error(`Not a pubsub message`)
-  }
-
-  return {
-    from: bs58.encode(Buffer.from(obj.from, 'base64')).toString(),
-    seqno: Buffer.from(obj.seqno, 'base64'),
-    data: Buffer.from(obj.data, 'base64'),
-    topicIDs: obj.topicIDs || obj.topicCIDs
-  }
-}
-
-function isPubsubMessage (obj) {
-  return obj && obj.from && obj.seqno && obj.data && (obj.topicIDs || obj.topicCIDs)
-}
diff --git a/src/utils/send-files-stream.js b/src/utils/send-files-stream.js
deleted file mode 100644
index c2450d39e..000000000
--- a/src/utils/send-files-stream.js
+++ /dev/null
@@ -1,156 +0,0 @@
-'use strict'
-
-const { Duplex } = require('readable-stream')
-const eachSeries = require('async/eachSeries')
-const isStream = require('is-stream')
-const once = require('once')
-const prepareFile = require('./prepare-file')
-const Multipart = require('./multipart')
-
-function headers (file) {
-  const name = file.path
-    ? encodeURIComponent(file.path)
-    : ''
-
-  const header = { 'Content-Disposition': `file; filename="${name}"` }
-
-  if (!file.content) {
-    header['Content-Type'] = 'application/x-directory'
-  } else if (file.symlink) {
-    header['Content-Type'] = 'application/symlink'
-  } else {
-    header['Content-Type'] = 'application/octet-stream'
-  }
-
-  return header
-}
-
-module.exports = (send, path) => {
-  return (options) => {
-    let request
-    let ended = false
-    let writing = false
-
-    options = options ? Object.assign({}, options, options.qs) : {}
-
-    const multipart = new Multipart()
-
-    const retStream = new Duplex({ objectMode: true })
-
-    retStream._read = (n) => {}
-
-    retStream._write = (file, enc, _next) => {
-      const next = once(_next)
-      try {
-        const files = prepareFile(file, options)
-          .map((file) => Object.assign({ headers: headers(file) }, file))
-
-        writing = true
-        eachSeries(
-          files,
-          (file, cb) => multipart.write(file, enc, cb),
-          (err) => {
-            writing = false
-            if (err) {
-              return next(err)
-            }
-            if (ended) {
-              multipart.end()
-            }
-            next()
-          })
-      } catch (err) {
-        next(err)
-      }
-    }
-
-    retStream.once('finish', () => {
-      if (!ended) {
-        ended = true
-        if (!writing) {
-          multipart.end()
-        }
-      }
-    })
-
-    const qs = options.qs || {}
-
-    qs['cid-version'] = propOrProp(options, 'cid-version', 'cidVersion')
-    qs['raw-leaves'] = propOrProp(options, 'raw-leaves', 'rawLeaves')
-    qs['only-hash'] = propOrProp(options, 'only-hash', 'onlyHash')
-    qs['wrap-with-directory'] = propOrProp(options, 'wrap-with-directory', 'wrapWithDirectory')
-    qs.hash = propOrProp(options, 'hash', 'hashAlg')
-
-    const args = {
-      path: path,
-      qs: qs,
-      args: options.args,
-      multipart: true,
-      multipartBoundary: multipart._boundary,
-      stream: true,
-      recursive: true,
-      progress: options.progress
-    }
-
-    multipart.on('error', (err) => {
-      retStream.emit('error', err)
-    })
-
-    request = send(args, (err, response) => {
-      if (err) {
-        return retStream.emit('error', err)
-      }
-
-      if (!response) {
-        // no response, which means everything is ok, so we end the retStream
-        return retStream.push(null) // early
-      }
-
-      if (!isStream(response)) {
-        retStream.push(response)
-        retStream.push(null)
-        return
-      }
-
-      response.on('error', (err) => retStream.emit('error', err))
-
-      if (options.converter) {
-        response.on('data', (d) => {
-          if (d.Bytes && options.progress) {
-            options.progress(d.Bytes)
-          }
-        })
-
-        const Converter = options.converter
-        const convertedResponse = new Converter()
-        convertedResponse.once('end', () => retStream.push(null))
-        convertedResponse.on('data', (d) => retStream.push(d))
-        response.pipe(convertedResponse)
-      } else {
-        response.on('data', (d) => {
-          if (d.Bytes && options.progress) {
-            options.progress(d.Bytes)
-          }
-          retStream.push(d)
-        })
-        response.once('end', () => retStream.push(null))
-      }
-    })
-
-    // signal the multipart that the underlying stream has drained and that
-    // it can continue producing data..
-    request.on('drain', () => multipart.emit('drain'))
-
-    multipart.pipe(request)
-
-    return retStream
-  }
-}
-
-function propOrProp (source, prop1, prop2) {
-  if (prop1 in source) {
-    return source[prop1]
-  } else if (prop2 in source) {
-    return source[prop2]
-  }
-}
diff --git a/src/utils/send-one-file-multiple-results.js b/src/utils/send-one-file-multiple-results.js
deleted file mode 100644
index 180a9ad34..000000000
--- a/src/utils/send-one-file-multiple-results.js
+++ /dev/null
@@ -1,18 +0,0 @@
-'use strict'
-
-const once = require('once')
-const ConcatStream = require('concat-stream')
-const SendFilesStream = require('./send-files-stream')
-
-module.exports = (send, path) => {
-  const sendFilesStream = SendFilesStream(send, path)
-  return (file, options, _callback) => {
-    const callback = once(_callback)
-    const stream = sendFilesStream(options)
-    const concat = ConcatStream((results) => callback(null, results))
-    stream.once('error', callback)
-    stream.pipe(concat)
-    stream.write(file)
-    stream.end()
-  }
-}
diff --git a/src/utils/send-one-file.js b/src/utils/send-one-file.js
deleted file mode 100644
index 7b510f19d..000000000
--- a/src/utils/send-one-file.js
+++ /dev/null
@@ -1,15 +0,0 @@
-'use strict'
-
-const SendOneFileMultipleResults = require('./send-one-file-multiple-results')
-
-module.exports = (send, path) => {
-  const sendFile = SendOneFileMultipleResults(send, path)
-  return (file, options, callback) => {
-    sendFile(file, options, (err, results) => {
-      if (err) {
-        return callback(err)
-      }
-      callback(null, results[0])
-    })
-  }
-}
diff --git a/src/utils/send-request.js b/src/utils/send-request.js
deleted file mode 100644
index 219327adf..000000000
--- a/src/utils/send-request.js
+++ /dev/null
@@ -1,222 +0,0 @@
-'use strict'
-
-const Qs = require('qs')
-const qsDefaultEncoder = require('qs/lib/utils').encode
-const isNode = require('detect-node')
-const ndjson = require('ndjson')
-const pump = require('pump')
-const once = require('once')
-const { getRequest } = require('iso-stream-http')
-const streamToValue = require('./stream-to-value')
-const streamToJsonValue = require('./stream-to-json-value')
-const log = require('debug')('ipfs-http-client:request')
-
-// -- Internal
-
-function parseError (res, cb) {
-  const error = new Error(`Server responded with ${res.statusCode}`)
-
-  streamToJsonValue(res, (err, payload) => {
-    if (err) {
-      return cb(err)
-    }
-
-    if (payload) {
-      error.code = payload.Code
-      error.message = payload.Message || payload.toString()
-      error.type = payload.Type
-    }
-    cb(error)
-  })
-}
-
-function onRes (buffer, cb) {
-  return (res) => {
-    const stream = Boolean(res.headers['x-stream-output'])
-    const chunkedObjects = Boolean(res.headers['x-chunked-output'])
-    const isJson = res.headers['content-type'] &&
-                   res.headers['content-type'].indexOf('application/json') === 0
-
-    if (res.req) {
-      log(res.req.method, `${res.req.getHeaders().host}${res.req.path}`, res.statusCode, res.statusMessage)
-    } else {
-      log(res.url, res.statusCode, res.statusMessage)
-    }
-
-    if (res.statusCode >= 400 || !res.statusCode) {
-      return parseError(res, cb)
-    }
-
-    // Return the response stream directly
-    if (stream && !buffer) {
-      return cb(null, res)
-    }
-
-    // Return a stream of JSON objects
-    if (chunkedObjects && isJson) {
-      const outputStream = ndjson.parse()
-      pump(res, outputStream)
-      res.on('end', () => {
-        let err = res.trailers['x-stream-error']
-        if (err) {
-          // Not all errors are JSON
-          try {
-            err = JSON.parse(err)
-          } catch (e) {
-            err = { Message: err }
-          }
-          outputStream.emit('error', new Error(err.Message))
-        }
-      })
-      return cb(null, outputStream)
-    }
-
-    // Return a JSON object
-    if (isJson) {
-      return streamToJsonValue(res, cb)
-    }
-
-    // Return a value
-    return streamToValue(res, cb)
-  }
-}
-
-function requestAPI (config, options, callback) {
-  callback = once(callback)
-  options.qs = options.qs || {}
-
-  if (Array.isArray(options.path)) {
-    options.path = options.path.join('/')
-  }
-  if (options.args && !Array.isArray(options.args)) {
-    options.args = [options.args]
-  }
-  if (options.args) {
-    options.qs.arg = options.args
-  }
-  if (options.progress) {
-    options.qs.progress = true
-  }
-
-  if (options.qs.r) {
-    options.qs.recursive = options.qs.r
-    // From IPFS 0.4.0, it throws an error when both r and recursive are passed
-    delete options.qs.r
-  }
-
-  options.qs['stream-channels'] = true
-
-  if (options.stream) {
-    options.buffer = false
-  }
-
-  // this option is only used internally, not passed to daemon
-  delete options.qs.followSymlinks
-
-  const method = 'POST'
-  const headers = Object.assign({}, config.headers)
-
-  if (isNode) {
-    // Browsers do not allow you to modify the user agent
-    headers['User-Agent'] = config['user-agent']
-  }
-
-  if (options.multipart) {
-    if (!options.multipartBoundary) {
-      return callback(new Error('No multipartBoundary'))
-    }
-
-    headers['Content-Type'] = `multipart/form-data; boundary=${options.multipartBoundary}`
-  }
-
-  const qs = Qs.stringify(options.qs, {
-    arrayFormat: 'repeat',
-    encoder: data => {
-      // TODO: future releases of qs will provide the default
-      // encoder as a 2nd argument to this function; it will
-      // no longer be necessary to import qsDefaultEncoder
-      if (Buffer.isBuffer(data)) {
-        let uriEncoded = ''
-        for (const byte of data) {
-          // https://tools.ietf.org/html/rfc3986#page-14
-          // ALPHA (%41-%5A and %61-%7A), DIGIT (%30-%39), hyphen (%2D), period (%2E), underscore (%5F), or tilde (%7E)
-          if (
-            (byte >= 0x41 && byte <= 0x5A) ||
-            (byte >= 0x61 && byte <= 0x7A) ||
-            (byte >= 0x30 && byte <= 0x39) ||
-            (byte === 0x2D) ||
-            (byte === 0x2E) ||
-            (byte === 0x5F) ||
-            (byte === 0x7E)
-          ) {
-            uriEncoded += String.fromCharCode(byte)
-          } else {
-            const hex = byte.toString(16)
-            // String.prototype.padStart() not widely supported yet
-            const padded = hex.length === 1 ? `0${hex}` : hex
-            uriEncoded += `%${padded}`
-          }
-        }
-        return uriEncoded
-      }
-      return qsDefaultEncoder(data)
-    }
-  })
-  const reqOptions = {
-    hostname: config.host,
-    path: `${config['api-path']}${options.path}?${qs}`,
-    port: config.port,
-    method: method,
-    headers: headers,
-    protocol: `${config.protocol}:`
-  }
-
-  const req = getRequest(reqOptions, onRes(options.buffer, callback))
-
-  req.on('error', (err) => {
-    callback(err)
-  })
-
-  if (!options.stream) {
-    req.end()
-  }
-
-  return req
-}
-
-//
-// -- Module Interface
-
-exports = module.exports = (config) => {
-  /*
-   * options: {
-   *   path:   // API path (like /add or /config) - type: string
-   *   args:   // Arguments to the command - type: object
-   *   qs:     // Opts as query string opts to the command --something - type: object
-   *   files:  // files to be sent - type: string, buffer or array of strings or buffers
-   *   buffer: // buffer the request before sending it - type: bool
-   * }
-   */
-  const send = (options, callback) => {
-    if (typeof options !== 'object') {
-      return callback(new Error('no options were passed'))
-    }
-
-    return requestAPI(config, options, callback)
-  }
-
-  // Send a HTTP request and pass via a transform function
-  // to convert the response data to wanted format before
-  // returning it to the callback.
-  // Eg. send.andTransform({}, (e) => JSON.parse(e), (err, res) => ...)
-  send.andTransform = (options, transform, callback) => {
-    return send(options, (err, res) => {
-      if (err) {
-        return callback(err)
-      }
-      transform(res, callback)
-    })
-  }
-
-  return send
-}
diff --git a/src/utils/stream-to-json-value.js b/src/utils/stream-to-json-value.js
deleted file mode 100644
index e42de2fc6..000000000
--- a/src/utils/stream-to-json-value.js
+++ /dev/null
@@ -1,34 +0,0 @@
-'use strict'
-
-const streamToValue = require('./stream-to-value')
-
-/*
-  Converts a stream to a single JSON value
-*/
-function streamToJsonValue (res, cb) {
-  streamToValue(res, (err, data) => {
-    if (err) {
-      return cb(err)
-    }
-
-    if (!data || data.length === 0) {
-      return cb()
-    }
-
-    // TODO: check if needed, afaik JSON.parse can parse Buffers
-    if (Buffer.isBuffer(data)) {
-      data = data.toString()
-    }
-
-    let res
-    try {
-      res = JSON.parse(data)
-    } catch (err) {
-      return cb(err)
-    }
-
-    cb(null, res)
-  })
-}
-
-module.exports = streamToJsonValue
diff --git a/src/utils/stream-to-value-with-transformer.js b/src/utils/stream-to-value-with-transformer.js
deleted file mode 100644
index 402148667..000000000
--- a/src/utils/stream-to-value-with-transformer.js
+++ /dev/null
@@ -1,18 +0,0 @@
-'use strict'
-
-const streamToValue = require('./stream-to-value')
-
-function streamToValueWithTransformer (response, transformer, callback) {
-  if (typeof response.pipe === 'function') {
-    streamToValue(response, (err, res) => {
-      if (err) {
-        return callback(err)
-      }
-      transformer(res, callback)
-    })
-  } else {
-    transformer(response, callback)
-  }
-}
-
-module.exports = streamToValueWithTransformer
diff --git a/src/utils/stream-to-value.js b/src/utils/stream-to-value.js
deleted file mode 100644
index fa7068d46..000000000
--- a/src/utils/stream-to-value.js
+++ /dev/null
@@ -1,20 +0,0 @@
-'use strict'
-
-const pump = require('pump')
-const concat = require('concat-stream')
-
-/*
-  Concatenate a stream to a single value.
-*/
-function streamToValue (response, callback) {
-  pump(
-    response,
-    concat((data) => callback(null, data)),
-    (err) => {
-      if (err) {
-        callback(err)
-      }
-    })
-}
-
-module.exports = streamToValue
diff --git a/src/utils/stringlist-to-array.js b/src/utils/stringlist-to-array.js
deleted file mode 100644
index df28ee6df..000000000
--- a/src/utils/stringlist-to-array.js
+++ /dev/null
@@ -1,9 +0,0 @@
-'use strict'
-
-// Converts a go-ipfs "stringList" to an array
-// { Strings: ['A', 'B'] } --> ['A', 'B']
-function stringlistToArray (res, cb) {
-  cb(null, res.Strings || [])
-}
-
-module.exports = stringlistToArray
diff --git a/src/utils/tar-stream-to-objects.js b/src/utils/tar-stream-to-objects.js
deleted file mode 100644
index 6d7765a03..000000000
--- a/src/utils/tar-stream-to-objects.js
+++ /dev/null
@@ -1,48 +0,0 @@
-'use strict'
-
-const pump = require('pump')
-const tar = require('tar-stream')
-const ReadableStream = require('readable-stream').Readable
-
-class ObjectsStreams extends ReadableStream {
-  constructor (options) {
-    const opts = Object.assign(options || {}, { objectMode: true })
-    super(opts)
-  }
-
-  _read () {}
-}
-
-/*
-  Transform a tar stream into a stream of objects:
-
-  Output format:
-  { path: 'string', content: Stream<Readable> }
-*/
-const TarStreamToObjects = (inputStream, callback) => {
-  let outputStream = new ObjectsStreams()
-  let extractStream = tar.extract()
-
-  extractStream
-    .on('entry', (header, stream, next) => {
-      stream.on('end', next)
-
-      if (header.type !== 'directory') {
-        outputStream.push({
-          path: header.name,
-          content: stream
-        })
-      } else {
-        outputStream.push({
-          path: header.name
-        })
-        stream.resume()
-      }
-    })
-    .on('finish', () => outputStream.push(null))
-
-  pump(inputStream, extractStream)
-  callback(null, outputStream)
-}
-
-module.exports = TarStreamToObjects
diff --git a/src/version.js b/src/version.js
index 438cdd000..8faee147a 100644
--- a/src/version.js
+++ b/src/version.js
@@ -1,30 +1,19 @@
 'use strict'
 
-const promisify = require('promisify-es6')
-const moduleConfig = require('./utils/module-config')
+const configure = require('./lib/configure')
+const toCamel = require('./lib/object-to-camel')
 
-module.exports = (arg) => {
-  const send = moduleConfig(arg)
+module.exports = configure(({ ky }) => {
+  return async options => {
+    options = options || {}
 
-  return promisify((opts, callback) => {
-    if (typeof opts === 'function') {
-      callback = opts
-      opts = {}
-    }
+    const res = await ky.post('version', {
+      timeout: options.timeout,
+      signal: options.signal,
+      headers: options.headers,
+      searchParams: options.searchParams
+    }).json()
 
-    send({
-      path: 'version',
-      qs: opts
-    }, (err, result) => {
-      if (err) {
-        return callback(err)
-      }
-      const version = {
-        version: result.Version,
-        commit: result.Commit,
-        repo: result.Repo
-      }
-      callback(null, version)
-    })
-  })
-}
+    return toCamel(res)
+  }
+})
diff --git a/test/commands.spec.js b/test/commands.spec.js
index 3fb4f02e0..96f932b92 100644
--- a/test/commands.spec.js
+++ b/test/commands.spec.js
@@ -1,49 +1,23 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const ipfsClient = require('../src')
-
-const f = require('./utils/factory')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const f = require('./utils/factory')()
 
 describe('.commands', function () {
   this.timeout(60 * 1000)
 
-  let ipfsd
   let ipfs
 
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  it('lists commands', (done) => {
-    ipfs.commands((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      done()
-    })
-  })
+  it('lists commands', async () => {
+    const res = await ipfs.commands()
 
-  describe('promise', () => {
-    it('lists commands', () => {
-      return ipfs.commands()
-        .then((res) => {
-          expect(res).to.exist()
-        })
-    })
+    expect(res).to.exist()
   })
 })
diff --git a/test/constructor.spec.js b/test/constructor.spec.js
index af77d18e1..acffb11e7 100644
--- a/test/constructor.spec.js
+++ b/test/constructor.spec.js
@@ -2,12 +2,8 @@
 'use strict'
 
 const multiaddr = require('multiaddr')
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const f = require('./utils/factory')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const f = require('./utils/factory')()
 const ipfsClient = require('../src/index.js')
 
 describe('ipfs-http-client constructor tests', () => {
@@ -48,15 +44,6 @@ describe('ipfs-http-client constructor tests', () => {
       expectConfig(ipfs, { host, port, protocol })
     })
 
-    it('multiaddr dns4 string, explicit https in opts', () => {
-      const host = 'foo.com'
-      const port = '1001'
-      const protocol = 'https'
-      const addr = `/dns4/${host}/tcp/${port}`
-      const ipfs = ipfsClient(addr, { protocol })
-      expectConfig(ipfs, { host, port, protocol })
-    })
-
     it('multiaddr ipv4 string (implicit http)', () => {
       const host = '101.101.101.101'
       const port = '1001'
@@ -86,7 +73,7 @@ describe('ipfs-http-client constructor tests', () => {
     it('host and port strings', () => {
       const host = '1.1.1.1'
       const port = '9999'
-      const ipfs = ipfsClient(host, port)
+      const ipfs = ipfsClient({ host, port })
       expectConfig(ipfs, { host, port })
     })
 
@@ -94,57 +81,45 @@ describe('ipfs-http-client constructor tests', () => {
       const host = '10.100.100.255'
       const port = '9999'
       const apiPath = '/future/api/v1/'
-      const ipfs = ipfsClient(host, port, { 'api-path': apiPath })
-      expectConfig(ipfs, { host, port, apiPath })
+      const ipfs = ipfsClient({ host, port, apiPath })
+      expectConfig(ipfs, { host, port, apiPath: apiPath.slice(0, -1) })
     })
 
     it('throws on invalid multiaddr', () => {
       expect(() => ipfsClient('/dns4')).to.throw('invalid address')
       expect(() => ipfsClient('/hello')).to.throw('no protocol with name')
-      expect(() => ipfsClient('/dns4/ipfs.io')).to.throw('multiaddr must have a valid format')
+      expect(() => ipfsClient('/dns4/ipfs.io')).to.throw()
     })
   })
 
   describe('integration', () => {
-    let apiAddr
     let ipfsd
 
-    before(function (done) {
+    before(async function () {
       this.timeout(60 * 1000) // slow CI
 
-      f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, node) => {
-        expect(err).to.not.exist()
-        ipfsd = node
-        apiAddr = node.apiAddr.toString()
-        done()
-      })
+      ipfsd = await f.spawn()
     })
 
-    after((done) => {
-      if (!ipfsd) return done()
-      ipfsd.stop(done)
-    })
+    after(() => f.clean())
 
-    it('can connect to an ipfs http api', (done) => {
-      clientWorks(ipfsClient(apiAddr), done)
+    it('can connect to an ipfs http api', async () => {
+      await clientWorks(ipfsClient(ipfsd.apiAddr))
     })
   })
 })
 
-function clientWorks (client, done) {
-  client.id((err, id) => {
-    expect(err).to.not.exist()
+async function clientWorks (client) {
+  const id = await client.id()
 
-    expect(id).to.have.a.property('id')
-    expect(id).to.have.a.property('publicKey')
-    done()
-  })
+  expect(id).to.have.a.property('id')
+  expect(id).to.have.a.property('publicKey')
 }
 
 function expectConfig (ipfs, { host, port, protocol, apiPath }) {
   const conf = ipfs.getEndpointConfig()
-  expect(conf.host).to.equal(host || 'localhost')
-  expect(conf.port).to.equal(port || '5001')
+  expect(conf.host).to.be.oneOf([host, 'localhost', ''])
+  expect(conf.port).to.be.oneOf([port, '5001', '80'])
   expect(conf.protocol).to.equal(protocol || 'http')
-  expect(conf['api-path']).to.equal(apiPath || '/api/v0/')
+  expect(conf['api-path']).to.equal(apiPath || '/api/v0')
 }
diff --git a/test/custom-headers.spec.js b/test/custom-headers.spec.js
index 1e1748515..5e88b72a6 100644
--- a/test/custom-headers.spec.js
+++ b/test/custom-headers.spec.js
@@ -1,44 +1,33 @@
 /* eslint-env mocha */
 'use strict'
 
-const isNode = require('detect-node')
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
+const { isNode } = require('ipfs-utils/src/env')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 const ipfsClient = require('../src')
-const f = require('./utils/factory')
 
 describe('custom headers', function () {
   // do not test in browser
   if (!isNode) { return }
-  this.timeout(50 * 1000) // slow CI
   let ipfs
-  let ipfsd
   // initialize ipfs with custom headers
-  before(done => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient({
-        host: 'localhost',
-        port: 6001,
-        protocol: 'http',
-        headers: {
-          authorization: 'Bearer ' + 'YOLO'
-        }
-      })
-      done()
+  before(() => {
+    ipfs = ipfsClient({
+      host: 'localhost',
+      port: 6001,
+      protocol: 'http',
+      headers: {
+        authorization: 'Bearer ' + 'YOLO'
+      }
     })
   })
 
-  it('are supported', done => {
+  it('are supported', (done) => {
     // spin up a test http server to inspect the requests made by the library
     const server = require('http').createServer((req, res) => {
       req.on('data', () => {})
       req.on('end', () => {
         res.writeHead(200)
+        res.write(JSON.stringify({}))
         res.end()
         // ensure custom headers are present
         expect(req.headers.authorization).to.equal('Bearer ' + 'YOLO')
@@ -50,12 +39,10 @@ describe('custom headers', function () {
     server.listen(6001, () => {
       ipfs.id((err, res) => {
         if (err) {
-          throw new Error('Unexpected error.')
+          throw err
         }
         // this call is used to test that headers are being sent.
       })
     })
   })
-
-  after(done => ipfsd.stop(done))
 })
diff --git a/test/dag.spec.js b/test/dag.spec.js
index 0b1a2f314..fec5229f6 100644
--- a/test/dag.spec.js
+++ b/test/dag.spec.js
@@ -3,85 +3,55 @@
 
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-const series = require('async/series')
-const dagPB = require('ipld-dag-pb')
-const DAGNode = dagPB.DAGNode
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const { DAGNode } = require('ipld-dag-pb')
 const CID = require('cids')
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const f = require('./utils/factory')()
 
-let ipfsd
 let ipfs
 
 describe('.dag', function () {
   this.timeout(20 * 1000)
-  before(function (done) {
-    series([
-      (cb) => f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-        expect(err).to.not.exist()
-        ipfsd = _ipfsd
-        ipfs = ipfsClient(_ipfsd.apiAddr)
-        cb()
-      })
-    ], done)
+  before(async function () {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  it('should be able to put and get a DAG node with format dag-pb', (done) => {
+  it('should be able to put and get a DAG node with format dag-pb', async () => {
     const data = Buffer.from('some data')
-    DAGNode.create(data, (err, node) => {
-      expect(err).to.not.exist()
-      ipfs.dag.put(node, { format: 'dag-pb', hashAlg: 'sha2-256' }, (err, cid) => {
-        expect(err).to.not.exist()
-        cid = cid.toV0()
-        expect(cid.codec).to.equal('dag-pb')
-        cid = cid.toBaseEncodedString('base58btc')
-        // expect(cid).to.equal('bafybeig3t3eugdchignsgkou3ly2mmy4ic4gtfor7inftnqn3yq4ws3a5u')
-        expect(cid).to.equal('Qmd7xRhW5f29QuBFtqu3oSD27iVy35NRB91XFjmKFhtgMr')
-        ipfs.dag.get(cid, (err, result) => {
-          expect(err).to.not.exist()
-          expect(result.value.data).to.deep.equal(data)
-          done()
-        })
-      })
-    })
+    const node = new DAGNode(data)
+
+    let cid = await ipfs.dag.put(node, { format: 'dag-pb', hashAlg: 'sha2-256' })
+    cid = cid.toV0()
+    expect(cid.codec).to.equal('dag-pb')
+    cid = cid.toBaseEncodedString('base58btc')
+    // expect(cid).to.equal('bafybeig3t3eugdchignsgkou3ly2mmy4ic4gtfor7inftnqn3yq4ws3a5u')
+    expect(cid).to.equal('Qmd7xRhW5f29QuBFtqu3oSD27iVy35NRB91XFjmKFhtgMr')
+
+    const result = await ipfs.dag.get(cid)
+
+    expect(result.value.Data).to.deep.equal(data)
   })
 
-  it('should be able to put and get a DAG node with format dag-cbor', (done) => {
+  it('should be able to put and get a DAG node with format dag-cbor', async () => {
     const cbor = { foo: 'dag-cbor-bar' }
-    ipfs.dag.put(cbor, { format: 'dag-cbor', hashAlg: 'sha2-256' }, (err, cid) => {
-      expect(err).to.not.exist()
-      expect(cid.codec).to.equal('dag-cbor')
-      cid = cid.toBaseEncodedString('base32')
-      expect(cid).to.equal('bafyreic6f672hnponukaacmk2mmt7vs324zkagvu4hcww6yba6kby25zce')
-      ipfs.dag.get(cid, (err, result) => {
-        expect(err).to.not.exist()
-        expect(result.value).to.deep.equal(cbor)
-        done()
-      })
-    })
-  })
+    let cid = await ipfs.dag.put(cbor, { format: 'dag-cbor', hashAlg: 'sha2-256' })
+
+    expect(cid.codec).to.equal('dag-cbor')
+    cid = cid.toBaseEncodedString('base32')
+    expect(cid).to.equal('bafyreic6f672hnponukaacmk2mmt7vs324zkagvu4hcww6yba6kby25zce')
 
-  it('should callback with error when missing DAG resolver for raw multicodec', (done) => {
-    ipfs.dag.put(Buffer.from([0, 1, 2, 3]), {
-      // CIDv1 with multicodec = raw
-      cid: new CID('bafkreigh2akiscaildcqabsyg3dfr6chu3fgpregiymsck7e7aqa4s52zy')
-    }, (err, cid) => {
-      expect(err).to.not.exist()
+    const result = await ipfs.dag.get(cid)
 
-      ipfs.dag.get(cid, (err, result) => {
-        expect(result).to.not.exist()
-        expect(err.message).to.equal('ipfs-http-client is missing DAG resolver for "raw" multicodec')
-        done()
-      })
+    expect(result.value).to.deep.equal(cbor)
+  })
+
+  it('should callback with error when missing DAG resolver for multicodec from requested CID', async () => {
+    const block = await ipfs.block.put(Buffer.from([0, 1, 2, 3]), {
+      cid: new CID('z8mWaJ1dZ9fH5EetPuRsj8jj26pXsgpsr')
     })
+
+    await expect(ipfs.dag.get(block.cid)).to.be.rejectedWith('Missing IPLD format "git-raw"')
   })
 })
diff --git a/test/diag.spec.js b/test/diag.spec.js
index 3f12106e0..9f16d6932 100644
--- a/test/diag.spec.js
+++ b/test/diag.spec.js
@@ -1,14 +1,9 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 const platform = require('browser-process-platform')
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const f = require('./utils/factory')()
 
 describe('.diag', function () {
   this.timeout(50 * 1000)
@@ -16,71 +11,34 @@ describe('.diag', function () {
   // go-ipfs does not support these on Windows
   if (platform === 'win32') { return }
 
-  let ipfsd
   let ipfs
 
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  describe('Callback API', () => {
+  describe('api API', () => {
     // Disabled in go-ipfs 0.4.10
-    it.skip('.diag.net', (done) => {
-      ipfs.diag.net((err, res) => {
-        expect(err).to.not.exist()
-        expect(res).to.exist()
-        done()
-      })
-    })
+    it.skip('.diag.net', async () => {
+      const res = await ipfs.diag.net()
 
-    it('.diag.sys', (done) => {
-      ipfs.diag.sys((err, res) => {
-        expect(err).to.not.exist()
-        expect(res).to.exist()
-        expect(res).to.have.a.property('memory')
-        expect(res).to.have.a.property('diskinfo')
-        done()
-      })
+      expect(res).to.exist()
     })
 
-    it('.diag.cmds', (done) => {
-      ipfs.diag.cmds((err, res) => {
-        expect(err).to.not.exist()
-        expect(res).to.exist()
-        done()
-      })
-    })
-  })
+    it('.diag.sys', async () => {
+      const res = await ipfs.diag.sys()
 
-  describe('Promise API', () => {
-    // Disabled in go-ipfs 0.4.10
-    it.skip('.diag.net', () => {
-      return ipfs.diag.net()
-        .then((res) => expect(res).to.exist())
+      expect(res).to.exist()
+      expect(res).to.have.a.property('memory')
+      expect(res).to.have.a.property('diskinfo')
     })
 
-    it('.diag.sys', () => {
-      return ipfs.diag.sys()
-        .then((res) => {
-          expect(res).to.exist()
-          expect(res).to.have.a.property('memory')
-          expect(res).to.have.a.property('diskinfo')
-        })
-    })
+    it('.diag.cmds', async () => {
+      const res = await ipfs.diag.cmds()
 
-    it('.diag.cmds', () => {
-      return ipfs.diag.cmds()
-        .then((res) => expect(res).to.exist())
+      expect(res).to.exist()
     })
   })
 })
diff --git a/test/endpoint-config.spec.js b/test/endpoint-config.spec.js
index 8ff6532c7..a44de3e1c 100644
--- a/test/endpoint-config.spec.js
+++ b/test/endpoint-config.spec.js
@@ -2,45 +2,17 @@
 /* eslint max-nested-callbacks: ["error", 8] */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-const isNode = require('detect-node')
-
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 const ipfsClient = require('../src')
-const f = require('./utils/factory')
 
 describe('.getEndpointConfig', () => {
-  if (!isNode) { return }
-
-  let ipfsd
-  let ipfs
-
-  before(function (done) {
-    this.timeout(20 * 1000) // slow CI
-
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
-  })
-
-  after(function (done) {
-    this.timeout(10 * 1000)
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
-
   it('should return the endpoint configuration', function () {
+    const ipfs = ipfsClient('https://127.0.0.1:5501/ipfs/api/')
     const endpoint = ipfs.getEndpointConfig()
 
     expect(endpoint.host).to.equal('127.0.0.1')
-    expect(endpoint.protocol).to.equal('http')
-    expect(endpoint['api-path']).to.equal('/api/v0/')
-    // changes per test run so we just assert it exists.
-    expect(endpoint).to.have.property('port')
+    expect(endpoint.protocol).to.equal('https')
+    expect(endpoint['api-path']).to.equal('/ipfs/api')
+    expect(endpoint.port).to.equal('5501')
   })
 })
diff --git a/test/exports.spec.js b/test/exports.spec.js
index 44730c5cc..0df770da6 100644
--- a/test/exports.spec.js
+++ b/test/exports.spec.js
@@ -1,31 +1,22 @@
 /* eslint-env mocha, browser */
 'use strict'
 
-const isIPFS = require('is-ipfs')
 const CID = require('cids')
 const multiaddr = require('multiaddr')
 const multibase = require('multibase')
 const multicodec = require('multicodec')
 const multihash = require('multihashes')
-const PeerId = require('peer-id')
-const PeerInfo = require('peer-info')
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 
 const IpfsHttpClient = require('../')
 
 describe('exports', () => {
   it('should export the expected types and utilities', () => {
-    expect(IpfsHttpClient.isIPFS).to.equal(isIPFS)
     expect(IpfsHttpClient.Buffer).to.equal(Buffer)
     expect(IpfsHttpClient.CID).to.equal(CID)
     expect(IpfsHttpClient.multiaddr).to.equal(multiaddr)
     expect(IpfsHttpClient.multibase).to.equal(multibase)
     expect(IpfsHttpClient.multicodec).to.equal(multicodec)
     expect(IpfsHttpClient.multihash).to.equal(multihash)
-    expect(IpfsHttpClient.PeerId).to.equal(PeerId)
-    expect(IpfsHttpClient.PeerInfo).to.equal(PeerInfo)
   })
 })
diff --git a/test/files-mfs.spec.js b/test/files-mfs.spec.js
index f88e37ba9..4d7e0ea83 100644
--- a/test/files-mfs.spec.js
+++ b/test/files-mfs.spec.js
@@ -2,20 +2,14 @@
 /* eslint max-nested-callbacks: ["error", 8] */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 const loadFixture = require('aegir/fixtures')
 const mh = require('multihashes')
-const CID = require('cids')
-const values = require('pull-stream/sources/values')
-const pull = require('pull-stream/pull')
-const collect = require('pull-stream/sinks/collect')
+const all = require('it-all')
+const pipe = require('it-pipe')
+const { TimeoutError } = require('ky-universal')
 
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
-const expectTimeout = require('./utils/expect-timeout')
+const f = require('./utils/factory')()
 
 const testfile = loadFixture('test/fixtures/testfile.txt')
 
@@ -25,169 +19,129 @@ const HASH_ALGS = [
   'sha1',
   'sha2-256',
   'sha2-512',
-  'keccak-224',
+  // 'keccak-224', // go throws
   'keccak-256',
-  'keccak-384',
+  // 'keccak-384', // go throws
   'keccak-512'
 ]
 
 describe('.files (the MFS API part)', function () {
-  this.timeout(120 * 1000)
+  this.timeout(20 * 1000)
 
-  let ipfsd
   let ipfs
 
   const expectedMultihash = 'Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP'
 
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  it('.add file for testing', (done) => {
-    ipfs.add(testfile, (err, res) => {
-      expect(err).to.not.exist()
+  it('.add file for testing', async () => {
+    const res = await all(ipfs.add(testfile))
 
-      expect(res).to.have.length(1)
-      expect(res[0].hash).to.equal(expectedMultihash)
-      expect(res[0].path).to.equal(expectedMultihash)
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(res[0].cid.toString()).to.equal(expectedMultihash)
+    expect(res[0].path).to.equal(expectedMultihash)
   })
 
-  it('.add with Buffer module', (done) => {
-    let Buffer = require('buffer').Buffer
+  it('.add with Buffer module', async () => {
+    const { Buffer } = require('buffer')
 
-    let expectedBufferMultihash = 'QmWfVY9y3xjsixTgbd9AorQxH7VtMpzfx2HaWtsoUYecaX'
-    let file = Buffer.from('hello')
+    const expectedBufferMultihash = 'QmWfVY9y3xjsixTgbd9AorQxH7VtMpzfx2HaWtsoUYecaX'
+    const file = Buffer.from('hello')
 
-    ipfs.add(file, (err, res) => {
-      expect(err).to.not.exist()
+    const res = await all(ipfs.add(file))
 
-      expect(res).to.have.length(1)
-      expect(res[0].hash).to.equal(expectedBufferMultihash)
-      expect(res[0].path).to.equal(expectedBufferMultihash)
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(res[0].cid.toString()).to.equal(expectedBufferMultihash)
+    expect(res[0].path).to.equal(expectedBufferMultihash)
   })
 
-  it('.add with empty path and buffer content', (done) => {
+  it('.add with empty path and buffer content', async () => {
     const expectedHash = 'QmWfVY9y3xjsixTgbd9AorQxH7VtMpzfx2HaWtsoUYecaX'
     const content = Buffer.from('hello')
 
-    ipfs.add([{ path: '', content }], (err, res) => {
-      expect(err).to.not.exist()
+    const res = await all(ipfs.add([{ path: '', content }]))
 
-      expect(res).to.have.length(1)
-      expect(res[0].hash).to.equal(expectedHash)
-      expect(res[0].path).to.equal(expectedHash)
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(res[0].cid.toString()).to.equal(expectedHash)
+    expect(res[0].path).to.equal(expectedHash)
   })
 
-  it('.add with cid-version=1 and raw-leaves=false', (done) => {
-    const expectedCid = 'zdj7Wh9x6gXdg4UAqhRYnjBTw9eJF7hvzUU4HjpnZXHYQz9jK'
-    const options = { 'cid-version': 1, 'raw-leaves': false }
+  it('.add with cid-version=1 and raw-leaves=false', async () => {
+    const expectedCid = 'bafybeifogzovjqrcxvgt7g36y7g63hvwvoakledwk4b2fr2dl4wzawpnny'
+    const options = { cidVersion: 1, rawLeaves: false }
 
-    ipfs.add(testfile, options, (err, res) => {
-      expect(err).to.not.exist()
+    const res = await all(ipfs.add(testfile, options))
 
-      expect(res).to.have.length(1)
-      expect(res[0].hash).to.equal(expectedCid)
-      expect(res[0].path).to.equal(expectedCid)
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(res[0].cid.toString()).to.equal(expectedCid)
+    expect(res[0].path).to.equal(expectedCid)
   })
 
-  it('.add with only-hash=true', function () {
-    this.slow(10 * 1000)
+  it('.add with only-hash=true', async () => {
     const content = String(Math.random() + Date.now())
 
-    return ipfs.add(Buffer.from(content), { onlyHash: true })
-      .then(files => {
-        expect(files).to.have.length(1)
+    const files = await all(ipfs.add(Buffer.from(content), { onlyHash: true }))
+    expect(files).to.have.length(1)
 
-        // 'ipfs.object.get(<hash>)' should timeout because content wasn't actually added
-        return expectTimeout(ipfs.object.get(files[0].hash), 4000)
-      })
+    // 'ipfs.object.get(<hash>)' should timeout because content wasn't actually added
+    return expect(ipfs.object.get(files[0].cid, { timeout: 2000 }))
+      .to.be.rejectedWith(TimeoutError)
   })
 
-  it('.add with options', (done) => {
-    ipfs.add(testfile, { pin: false }, (err, res) => {
-      expect(err).to.not.exist()
+  it('.add with options', async () => {
+    const res = await all(ipfs.add(testfile, { pin: false }))
 
-      expect(res).to.have.length(1)
-      expect(res[0].hash).to.equal(expectedMultihash)
-      expect(res[0].path).to.equal(expectedMultihash)
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(res[0].cid.toString()).to.equal(expectedMultihash)
+    expect(res[0].path).to.equal(expectedMultihash)
   })
 
-  it('.add pins by default', (done) => {
+  it('.add pins by default', async () => {
     const newContent = Buffer.from(String(Math.random()))
 
-    ipfs.pin.ls((err, pins) => {
-      expect(err).to.not.exist()
-      const initialPinCount = pins.length
-      ipfs.add(newContent, (err, res) => {
-        expect(err).to.not.exist()
-
-        ipfs.pin.ls((err, pins) => {
-          expect(err).to.not.exist()
-          expect(pins.length).to.eql(initialPinCount + 1)
-          done()
-        })
-      })
-    })
+    const initialPins = await all(ipfs.pin.ls())
+
+    await all(ipfs.add(newContent))
+
+    const pinsAfterAdd = await all(ipfs.pin.ls())
+
+    expect(pinsAfterAdd.length).to.eql(initialPins.length + 1)
   })
 
-  it('.add with pin=false', (done) => {
+  it('.add with pin=false', async () => {
     const newContent = Buffer.from(String(Math.random()))
 
-    ipfs.pin.ls((err, pins) => {
-      expect(err).to.not.exist()
-      const initialPinCount = pins.length
-      ipfs.add(newContent, { pin: false }, (err, res) => {
-        expect(err).to.not.exist()
-
-        ipfs.pin.ls((err, pins) => {
-          expect(err).to.not.exist()
-          expect(pins.length).to.eql(initialPinCount)
-          done()
-        })
-      })
-    })
+    const initialPins = await all(ipfs.pin.ls())
+
+    await all(ipfs.add(newContent, { pin: false }))
+
+    const pinsAfterAdd = await all(ipfs.pin.ls())
+
+    expect(pinsAfterAdd.length).to.eql(initialPins.length)
   })
 
   HASH_ALGS.forEach((name) => {
-    it(`.add with hash=${name} and raw-leaves=false`, (done) => {
+    it(`.add with hash=${name} and raw-leaves=false`, async () => {
       const content = String(Math.random() + Date.now())
       const file = {
         path: content + '.txt',
         content: Buffer.from(content)
       }
-      const options = { hash: name, 'raw-leaves': false }
-
-      ipfs.add([file], options, (err, res) => {
-        if (err) return done(err)
-        expect(res).to.have.length(1)
-        const cid = new CID(res[0].hash)
-        expect(mh.decode(cid.multihash).name).to.equal(name)
-        done()
-      })
+      const options = { hashAlg: name, rawLeaves: false }
+
+      const res = await all(ipfs.add([file], options))
+
+      expect(res).to.have.length(1)
+      const { cid } = res[0]
+      expect(mh.decode(cid.multihash).name).to.equal(name)
     })
   })
 
-  it('.add file with progress option', (done) => {
+  it('.add file with progress option', async () => {
     let progress
     let progressCount = 0
 
@@ -196,18 +150,14 @@ describe('.files (the MFS API part)', function () {
       progress = p
     }
 
-    ipfs.add(testfile, { progress: progressHandler }, (err, res) => {
-      expect(err).to.not.exist()
-
-      expect(res).to.have.length(1)
-      expect(progress).to.be.equal(testfile.byteLength)
-      expect(progressCount).to.be.equal(1)
+    const res = await all(ipfs.add(testfile, { progress: progressHandler }))
 
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(progress).to.be.equal(testfile.byteLength)
+    expect(progressCount).to.be.equal(1)
   })
 
-  it('.add big file with progress option', (done) => {
+  it('.add big file with progress option', async () => {
     let progress = 0
     let progressCount = 0
 
@@ -217,18 +167,14 @@ describe('.files (the MFS API part)', function () {
     }
 
     // TODO: needs to be using a big file
-    ipfs.add(testfile, { progress: progressHandler }, (err, res) => {
-      expect(err).to.not.exist()
-
-      expect(res).to.have.length(1)
-      expect(progress).to.be.equal(testfile.byteLength)
-      expect(progressCount).to.be.equal(1)
+    const res = await all(ipfs.add(testfile, { progress: progressHandler }))
 
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(progress).to.be.equal(testfile.byteLength)
+    expect(progressCount).to.be.equal(1)
   })
 
-  it('.add directory with progress option', (done) => {
+  it('.add directory with progress option', async () => {
     let progress = 0
     let progressCount = 0
 
@@ -238,256 +184,206 @@ describe('.files (the MFS API part)', function () {
     }
 
     // TODO: needs to be using a directory
-    ipfs.add(testfile, { progress: progressHandler }, (err, res) => {
-      expect(err).to.not.exist()
-
-      expect(res).to.have.length(1)
-      expect(progress).to.be.equal(testfile.byteLength)
-      expect(progressCount).to.be.equal(1)
+    const res = await all(ipfs.add(testfile, { progress: progressHandler }))
 
-      done()
-    })
+    expect(res).to.have.length(1)
+    expect(progress).to.be.equal(testfile.byteLength)
+    expect(progressCount).to.be.equal(1)
   })
 
-  it('.add without progress options', (done) => {
-    ipfs.add(testfile, (err, res) => {
-      expect(err).to.not.exist()
+  it('.add without progress options', async () => {
+    const res = await all(ipfs.add(testfile))
 
-      expect(res).to.have.length(1)
-      done()
-    })
+    expect(res).to.have.length(1)
   })
 
   HASH_ALGS.forEach((name) => {
-    it(`.add with hash=${name} and raw-leaves=false`, (done) => {
+    it(`.add with hash=${name} and raw-leaves=false`, async () => {
       const content = String(Math.random() + Date.now())
       const file = {
         path: content + '.txt',
         content: Buffer.from(content)
       }
-      const options = { hash: name, 'raw-leaves': false }
+      const options = { hashAlg: name, rawLeaves: false }
 
-      ipfs.add([file], options, (err, res) => {
-        expect(err).to.not.exist()
+      const res = await all(ipfs.add([file], options))
 
-        expect(res).to.have.length(1)
-        const cid = new CID(res[0].hash)
-        expect(mh.decode(cid.multihash).name).to.equal(name)
-        done()
-      })
+      expect(res).to.have.length(1)
+      const { cid } = res[0]
+      expect(mh.decode(cid.multihash).name).to.equal(name)
     })
   })
 
-  it('.addPullStream with object chunks and pull stream content', (done) => {
+  it('.add with object chunks and iterable content', async () => {
     const expectedCid = 'QmRf22bZar3WKmojipms22PkXH1MZGmvsqzQtuSvQE3uhm'
 
-    pull(
-      values([{ content: values([Buffer.from('test')]) }]),
-      ipfs.addPullStream(),
-      collect((err, res) => {
-        expect(err).to.not.exist()
-
-        expect(res).to.have.length(1)
-        expect(res[0]).to.deep.equal({ path: expectedCid, hash: expectedCid, size: 12 })
-        done()
-      })
+    const res = await pipe(
+      [{ content: [Buffer.from('test')] }],
+      ipfs.add,
+      all
     )
-  })
-
-  it('.add with pull stream (callback)', (done) => {
-    const expectedCid = 'QmRf22bZar3WKmojipms22PkXH1MZGmvsqzQtuSvQE3uhm'
-
-    ipfs.add(values([Buffer.from('test')]), (err, res) => {
-      expect(err).to.not.exist()
 
-      expect(res).to.have.length(1)
-      expect(res[0]).to.deep.equal({ path: expectedCid, hash: expectedCid, size: 12 })
-      done()
-    })
-  })
-
-  it('.add with pull stream (promise)', () => {
-    const expectedCid = 'QmRf22bZar3WKmojipms22PkXH1MZGmvsqzQtuSvQE3uhm'
-
-    return ipfs.add(values([Buffer.from('test')]))
-      .then((res) => {
-        expect(res).to.have.length(1)
-        expect(res[0]).to.deep.equal({ path: expectedCid, hash: expectedCid, size: 12 })
-      })
+    expect(res).to.have.length(1)
+    res[0].cid = res[0].cid.toString()
+    expect(res[0]).to.deep.equal({ path: expectedCid, cid: expectedCid, size: 12 })
   })
 
-  it('.add with array of objects with pull stream content', () => {
+  it('.add with iterable', async () => {
     const expectedCid = 'QmRf22bZar3WKmojipms22PkXH1MZGmvsqzQtuSvQE3uhm'
+    const res = await all(ipfs.add([Buffer.from('test')]))
 
-    return ipfs.add([{ content: values([Buffer.from('test')]) }])
-      .then((res) => {
-        expect(res).to.have.length(1)
-        expect(res[0]).to.eql({ path: expectedCid, hash: expectedCid, size: 12 })
-      })
+    expect(res).to.have.length(1)
+    res[0].cid = res[0].cid.toString()
+    expect(res[0]).to.deep.equal({ path: expectedCid, cid: expectedCid, size: 12 })
   })
 
-  it('files.mkdir', (done) => {
-    ipfs.files.mkdir('/test-folder', done)
+  it('files.mkdir', async () => {
+    await ipfs.files.mkdir('/test-folder')
   })
 
-  it('files.flush', (done) => {
-    ipfs.files.flush('/', done)
+  it('files.flush', async () => {
+    await ipfs.files.flush('/')
   })
 
-  it('files.cp', () => {
+  it('files.cp', async () => {
     const folder = `/test-folder-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.cp([
-        '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
-        `${folder}/test-file-${Math.random()}`
-      ]))
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.cp([
+      '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
+      `${folder}/test-file-${Math.random()}`
+    ])
   })
 
-  it('files.cp with non-array arguments', () => {
+  it('files.cp with non-array arguments', async () => {
     const folder = `/test-folder-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.cp(
-        '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
-        `${folder}/test-file-${Math.random()}`
-      ))
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.cp(
+      '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
+      `${folder}/test-file-${Math.random()}`
+    )
   })
 
-  it('files.mv', () => {
+  it('files.mv', async () => {
     const folder = `/test-folder-${Math.random()}`
     const source = `${folder}/test-file-${Math.random()}`
     const dest = `${folder}/test-file-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.cp(
-        '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
-        source
-      ))
-      .then(() => ipfs.files.mv([
-        source,
-        dest
-      ]))
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.cp(
+      '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
+      source
+    )
+    await ipfs.files.mv([
+      source,
+      dest
+    ])
   })
 
-  it('files.mv with non-array arguments', () => {
+  it('files.mv with non-array arguments', async () => {
     const folder = `/test-folder-${Math.random()}`
     const source = `${folder}/test-file-${Math.random()}`
     const dest = `${folder}/test-file-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.cp(
-        '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
-        source
-      ))
-      .then(() => ipfs.files.mv(
-        source,
-        dest
-      ))
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.cp(
+      '/ipfs/Qma4hjFTnCasJ8PVp3mZbZK5g2vGDT4LByLJ7m8ciyRFZP',
+      source
+    )
+    await ipfs.files.mv(
+      source,
+      dest
+    )
   })
 
-  it('files.ls', () => {
+  it('files.ls', async () => {
     const folder = `/test-folder-${Math.random()}`
     const file = `${folder}/test-file-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.write(file, Buffer.from('Hello, world'), {
-        create: true
-      }))
-      .then(() => ipfs.files.ls(folder))
-      .then(files => {
-        expect(files.length).to.equal(1)
-      })
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.write(file, Buffer.from('Hello, world'), {
+      create: true
+    })
+    const files = await all(ipfs.files.ls(folder))
+
+    expect(files.length).to.equal(1)
   })
 
-  it('files.ls mfs root by default', () => {
+  it('files.ls mfs root by default', async () => {
     const folder = `test-folder-${Math.random()}`
 
-    return ipfs.files.mkdir(`/${folder}`)
-      .then(() => ipfs.files.ls())
-      .then(files => {
-        expect(files.find(file => file.name === folder)).to.be.ok()
-      })
+    await ipfs.files.mkdir(`/${folder}`)
+    const files = await all(ipfs.files.ls())
+
+    expect(files.find(file => file.name === folder)).to.be.ok()
   })
 
-  it('files.write', (done) => {
-    ipfs.files
-      .write('/test-folder/test-file-2.txt', Buffer.from('hello world'), { create: true }, (err) => {
-        expect(err).to.not.exist()
+  it('files.write', async () => {
+    await ipfs.files.write('/test-folder/test-file-2.txt', Buffer.from('hello world'), {
+      create: true
+    })
+
+    const buf = Buffer.concat(await all(ipfs.files.read('/test-folder/test-file-2.txt')))
 
-        ipfs.files.read('/test-folder/test-file-2.txt', (err, buf) => {
-          expect(err).to.not.exist()
-          expect(buf.toString()).to.be.equal('hello world')
-          done()
-        })
-      })
+    expect(buf.toString()).to.be.equal('hello world')
   })
 
-  it('files.write without options', (done) => {
-    ipfs.files
-      .write('/test-folder/test-file-2.txt', Buffer.from('hello world'), (err) => {
-        expect(err).to.not.exist()
+  it('files.write without options', async () => {
+    await ipfs.files.write('/test-folder/test-file-2.txt', Buffer.from('hello world'))
+
+    const buf = Buffer.concat(await all(ipfs.files.read('/test-folder/test-file-2.txt')))
 
-        ipfs.files.read('/test-folder/test-file-2.txt', (err, buf) => {
-          expect(err).to.not.exist()
-          expect(buf.toString()).to.be.equal('hello world')
-          done()
-        })
-      })
+    expect(buf.toString()).to.be.equal('hello world')
   })
 
-  it('files.stat', () => {
+  it('files.stat', async () => {
     const folder = `/test-folder-${Math.random()}`
     const file = `${folder}/test-file-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.write(file, testfile, {
-        create: true
-      }))
-      .then(() => ipfs.files.stat(file))
-      .then((stats) => {
-        expect(stats).to.deep.equal({
-          hash: 'QmQhouoDPAnzhVM148yCa9CbUXK65wSEAZBtgrLGHtmdmP',
-          size: 12,
-          cumulativeSize: 70,
-          blocks: 1,
-          type: 'file',
-          withLocality: false,
-          local: undefined,
-          sizeLocal: undefined
-        })
-      })
-  })
-
-  it('files.stat file that does not exist()', (done) => {
-    ipfs.files.stat('/test-folder/does-not-exist()', (err, res) => {
-      expect(err).to.exist()
-      expect(err.code).to.equal(0)
-      expect(err.type).to.equal('error')
-
-      done()
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.write(file, testfile, {
+      create: true
+    })
+
+    const stats = await ipfs.files.stat(file)
+    stats.cid = stats.cid.toString()
+
+    expect(stats).to.deep.equal({
+      cid: 'QmQhouoDPAnzhVM148yCa9CbUXK65wSEAZBtgrLGHtmdmP',
+      size: 12,
+      cumulativeSize: 70,
+      blocks: 1,
+      type: 'file',
+      withLocality: false
+    })
+  })
+
+  it('files.stat file that does not exist()', async () => {
+    await expect(ipfs.files.stat('/test-folder/does-not-exist()')).to.be.rejectedWith({
+      code: 0,
+      type: 'error'
     })
   })
 
-  it('files.read', () => {
+  it('files.read', async () => {
     const folder = `/test-folder-${Math.random()}`
     const file = `${folder}/test-file-${Math.random()}`
 
-    return ipfs.files.mkdir(folder)
-      .then(() => ipfs.files.write(file, testfile, {
-        create: true
-      }))
-      .then(() => ipfs.files.read(file))
-      .then((buf) => {
-        expect(Buffer.from(buf)).to.deep.equal(testfile)
-      })
+    await ipfs.files.mkdir(folder)
+    await ipfs.files.write(file, testfile, {
+      create: true
+    })
+    const buf = Buffer.concat(await all(ipfs.files.read(file)))
+
+    expect(Buffer.from(buf)).to.deep.equal(testfile)
   })
 
-  it('files.rm without options', (done) => {
-    ipfs.files.rm('/test-folder/test-file-2.txt', done)
+  it('files.rm without options', async () => {
+    await ipfs.files.rm('/test-folder/test-file-2.txt')
   })
 
-  it('files.rm', (done) => {
-    ipfs.files.rm('/test-folder', { recursive: true }, done)
+  it('files.rm', async () => {
+    await ipfs.files.rm('/test-folder', { recursive: true })
   })
 })
diff --git a/test/get.spec.js b/test/get.spec.js
index 2c5adb6d9..5c64e3bf2 100644
--- a/test/get.spec.js
+++ b/test/get.spec.js
@@ -3,19 +3,15 @@
 
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-const isNode = require('detect-node')
-const series = require('async/series')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 const loadFixture = require('aegir/fixtures')
+const all = require('it-all')
+const concat = require('it-concat')
 
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const f = require('./utils/factory')()
 
 describe('.get (specific go-ipfs features)', function () {
-  this.timeout(20 * 1000)
+  this.timeout(60 * 1000)
 
   function fixture (path) {
     return loadFixture(path, 'interface-ipfs-core')
@@ -26,92 +22,63 @@ describe('.get (specific go-ipfs features)', function () {
     data: fixture('test/fixtures/testfile.txt')
   }
 
-  let ipfsd
   let ipfs
 
-  before(function (done) {
-    series([
-      (cb) => f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-        expect(err).to.not.exist()
-        ipfsd = _ipfsd
-        ipfs = ipfsClient(_ipfsd.apiAddr)
-        cb()
-      }),
-      (cb) => ipfs.add(smallFile.data, cb)
-    ], done)
+  before(async () => {
+    ipfs = (await f.spawn()).api
+    await all(ipfs.add(smallFile.data))
   })
 
-  after((done) => {
-    if (!ipfsd) { return done() }
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  it('no compression args', (done) => {
-    ipfs.get(smallFile.cid, (err, files) => {
-      expect(err).to.not.exist()
+  it('no compression args', async () => {
+    const files = await all(ipfs.get(smallFile.cid))
 
-      expect(files).to.be.length(1)
-      expect(files[0].content.toString()).to.contain(smallFile.data.toString())
-      done()
-    })
+    expect(files).to.be.length(1)
+    const content = await concat(files[0].content)
+    expect(content.toString()).to.contain(smallFile.data.toString())
   })
 
-  it('archive true', (done) => {
-    ipfs.get(smallFile.cid, { archive: true }, (err, files) => {
-      expect(err).to.not.exist()
+  it('archive true', async () => {
+    const files = await all(ipfs.get(smallFile.cid, { archive: true }))
 
-      expect(files).to.be.length(1)
-      expect(files[0].content.toString()).to.contain(smallFile.data.toString())
-      done()
-    })
+    expect(files).to.be.length(1)
+    const content = await concat(files[0].content)
+    expect(content.toString()).to.contain(smallFile.data.toString())
   })
 
-  it('err with out of range compression level', (done) => {
-    ipfs.get(smallFile.cid, {
+  it('err with out of range compression level', async () => {
+    await expect(all(ipfs.get(smallFile.cid, {
       compress: true,
-      'compression-level': 10
-    }, (err, files) => {
-      expect(err).to.exist()
-      expect(err.toString()).to.equal('Error: compression level must be between 1 and 9')
-      done()
-    })
+      compressionLevel: 10
+    }))).to.be.rejectedWith('compression level must be between 1 and 9')
   })
 
   // TODO Understand why this test started failing
-  it.skip('with compression level', (done) => {
-    ipfs.get(smallFile.cid, { compress: true, 'compression-level': 1 }, done)
+  it.skip('with compression level', async () => {
+    await all(ipfs.get(smallFile.cid, { compress: true, 'compression-level': 1 }))
   })
 
-  it('add path containing "+"s (for testing get)', (done) => {
-    if (!isNode) { return done() }
-
+  it('add path containing "+"s (for testing get)', async () => {
     const filename = 'ti,c64x+mega++mod-pic.txt'
     const subdir = 'tmp/c++files'
     const expectedCid = 'QmPkmARcqjo5fqK1V1o8cFsuaXxWYsnwCNLJUYS4KeZyff'
-    ipfs.add([{
-      path: subdir + '/' + filename,
-      content: Buffer.from(subdir + '/' + filename, 'utf-8')
-    }], (err, files) => {
-      expect(err).to.not.exist()
-      expect(files[2].hash).to.equal(expectedCid)
-      done()
-    })
-  })
+    const path = `${subdir}/${filename}`
+    const files = await all(ipfs.add([{
+      path,
+      content: Buffer.from(path)
+    }]))
 
-  it('get path containing "+"s', (done) => {
-    if (!isNode) { return done() }
+    expect(files[2].cid.toString()).to.equal(expectedCid)
+  })
 
+  it('get path containing "+"s', async () => {
     const cid = 'QmPkmARcqjo5fqK1V1o8cFsuaXxWYsnwCNLJUYS4KeZyff'
-    let count = 0
-    ipfs.get(cid, (err, files) => {
-      expect(err).to.not.exist()
-      files.forEach((file) => {
-        if (file.path !== cid) {
-          count++
-          expect(file.path).to.contain('+')
-          if (count === 2) done()
-        }
-      })
-    })
+    const files = await all(ipfs.get(cid))
+
+    expect(files).to.be.an('array').with.lengthOf(3)
+    expect(files[0]).to.have.property('path', cid)
+    expect(files[1]).to.have.property('path', `${cid}/c++files`)
+    expect(files[2]).to.have.property('path', `${cid}/c++files/ti,c64x+mega++mod-pic.txt`)
   })
 })
diff --git a/test/interface.spec.js b/test/interface.spec.js
index a5eed428c..72cc86cfb 100644
--- a/test/interface.spec.js
+++ b/test/interface.spec.js
@@ -2,58 +2,92 @@
 'use strict'
 
 const tests = require('interface-ipfs-core')
-const isNode = require('detect-node')
-const CommonFactory = require('./utils/interface-common-factory')
-const ipfsClient = require('../src')
+const factory = require('./utils/factory')
 const isWindows = process.platform && process.platform === 'win32'
 
+/** @typedef {import("ipfsd-ctl").ControllerOptions} ControllerOptions */
+
 describe('interface-ipfs-core tests', () => {
-  const defaultCommonFactory = CommonFactory.create()
+  const commonFactory = factory()
 
-  tests.bitswap(defaultCommonFactory, {
+  tests.root(commonFactory, {
     skip: [
-      // bitswap.stat
       {
-        name: 'should not get bitswap stats when offline',
-        reason: 'FIXME go-ipfs returns an error https://github.com/ipfs/go-ipfs/issues/4078'
+        name: 'should add with mode as string',
+        reason: 'TODO not implemented in go-ipfs yet'
       },
-      // bitswap.wantlist
       {
-        name: 'should not get the wantlist when offline',
-        reason: 'FIXME go-ipfs returns an error https://github.com/ipfs/go-ipfs/issues/4078'
+        name: 'should add with mode as number',
+        reason: 'TODO not implemented in go-ipfs yet'
       },
-      // bitswap.unwant
       {
-        name: 'should remove a key from the wantlist',
-        reason: 'FIXME why is this skipped?'
+        name: 'should add with mtime as Date',
+        reason: 'TODO not implemented in go-ipfs yet'
       },
       {
-        name: 'should not remove a key from the wantlist when offline',
-        reason: 'FIXME go-ipfs returns an error https://github.com/ipfs/go-ipfs/issues/4078'
+        name: 'should add with mtime as { nsecs, secs }',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should add with mtime as timespec',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should add with mtime as hrtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should export a chunk of a file',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should ls with metadata',
+        reason: 'TODO not implemented in go-ipfs yet'
       }
     ]
   })
 
-  tests.block(defaultCommonFactory, {
+  tests.bitswap(commonFactory)
+
+  tests.block(commonFactory, {
     skip: [{
       name: 'should get a block added as CIDv1 with a CIDv0',
       reason: 'go-ipfs does not support the `version` param'
     }]
   })
 
-  tests.bootstrap(defaultCommonFactory)
+  tests.bootstrap(commonFactory, {
+    skip: [{
+      name: 'should return a list containing the bootstrap peer when called with a valid arg (ip4)',
+      reason: 'TODO unskip when go-ipfs switches to p2p for libp2p keys'
+    }, {
+      name: 'should prevent duplicate inserts of bootstrap peers',
+      reason: 'TODO unskip when go-ipfs switches to p2p for libp2p keys'
+    }, {
+      name: 'should return a list containing the peer removed when called with a valid arg (ip4)',
+      reason: 'TODO unskip when go-ipfs switches to p2p for libp2p keys'
+    }]
+  })
 
-  tests.config(defaultCommonFactory, {
+  tests.config(commonFactory, {
     skip: [
       // config.replace
       {
         name: 'replace',
         reason: 'FIXME Waiting for fix on go-ipfs https://github.com/ipfs/js-ipfs-http-client/pull/307#discussion_r69281789 and https://github.com/ipfs/go-ipfs/issues/2927'
+      },
+      {
+        name: 'should list config profiles',
+        reason: 'TODO: Not implemented in go-ipfs'
+      },
+      {
+        name: 'should strip private key from diff output',
+        reason: 'TODO: Not implemented in go-ipfs'
       }
     ]
   })
 
-  tests.dag(defaultCommonFactory, {
+  tests.dag(commonFactory, {
     skip: [
       // dag.tree
       {
@@ -80,106 +114,182 @@ describe('interface-ipfs-core tests', () => {
     ]
   })
 
-  tests.dht(defaultCommonFactory, {
+  tests.dht(commonFactory)
+
+  tests.files(commonFactory, {
     skip: [
-      // dht.findpeer
       {
-        name: 'should fail to find other peer if peer does not exist',
-        reason: 'FIXME checking what is exactly go-ipfs returning https://github.com/ipfs/go-ipfs/issues/3862#issuecomment-294168090'
+        name: 'should ls directory',
+        reason: 'TODO unskip when go-ipfs supports --long https://github.com/ipfs/go-ipfs/pull/6528'
       },
-      // dht.findprovs
       {
-        name: 'should provide from one node and find it through another node',
-        reason: 'FIXME go-ipfs endpoint doesn\'t conform with the others https://github.com/ipfs/go-ipfs/issues/5047'
+        name: 'should list a file directly',
+        reason: 'TODO unskip when go-ipfs supports --long https://github.com/ipfs/go-ipfs/pull/6528'
       },
-      // dht.get
       {
-        name: 'should get a value after it was put on another node',
-        reason: 'FIXME go-ipfs errors with  Error: key was not found (type 6) https://github.com/ipfs/go-ipfs/issues/3862'
-      }
-    ]
-  })
-
-  tests.filesRegular(defaultCommonFactory, {
-    skip: [
-      // .add
-      isNode ? null : {
-        name: 'should add a nested directory as array of tupples',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
-      },
-      isNode ? null : {
-        name: 'should add a nested directory as array of tupples with progress',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
-      },
-      // .addPullStream
-      isNode ? null : {
-        name: 'should add pull stream of valid files and dirs',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
-      },
-      // .addReadableStream
-      isNode ? null : {
-        name: 'should add readable stream of valid files and dirs',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
-      },
-      // .addFromStream
-      isNode ? null : {
-        name: 'addFromStream',
-        reason: 'Not designed to run in the browser'
-      },
-      // .addFromFs
-      isNode ? null : {
-        name: 'addFromFs',
-        reason: 'Not designed to run in the browser'
-      },
-      // .addFromURL
-      isNode ? null : {
-        name: 'addFromURL',
-        reason: 'Not designed to run in the browser'
-      },
-      // TODO: remove when interface-ipfs-core updated
-      isNode ? null : {
-        name: 'addFromUrl',
-        reason: 'Not designed to run in the browser'
-      },
-      // .catPullStream
+        name: 'should ls directory and include metadata',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
       {
-        name: 'should export a chunk of a file',
+        name: 'should read from outside of mfs',
         reason: 'TODO not implemented in go-ipfs yet'
       },
       {
-        name: 'should export a chunk of a file in a Pull Stream',
+        name: 'should ls from outside of mfs',
         reason: 'TODO not implemented in go-ipfs yet'
       },
       {
-        name: 'should export a chunk of a file in a Readable Stream',
+        name: 'should change file mode',
         reason: 'TODO not implemented in go-ipfs yet'
       },
-      // .get
-      isNode ? null : {
-        name: 'should get a directory',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
+      {
+        name: 'should change directory mode',
+        reason: 'TODO not implemented in go-ipfs yet'
       },
-      // .ls
-      isNode ? null : {
-        name: 'should ls with a base58 encoded CID',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
+      {
+        name: 'should change file mode as string',
+        reason: 'TODO not implemented in go-ipfs yet'
       },
-      // .lsPullStream
-      isNode ? null : {
-        name: 'should pull stream ls with a base58 encoded CID',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
+      {
+        name: 'should change file mode to 0',
+        reason: 'TODO not implemented in go-ipfs yet'
       },
-      // .lsReadableStream
-      isNode ? null : {
-        name: 'should readable stream ls with a base58 encoded CID',
-        reason: 'FIXME https://github.com/ipfs/js-ipfs-http-client/issues/339'
+      {
+        name: 'should update file mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should update directory mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should respect metadata when copying files',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should respect metadata when copying directories',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should respect metadata when copying from outside of mfs',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should have default mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should set mtime as Date',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should set mtime as { nsecs, secs }',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should set mtime as timespec',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should set mtime as hrtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and have default mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mode as string',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mode as number',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mtime as Date',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mtime as { nsecs, secs }',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mtime as timespec',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should make directory and specify mtime as hrtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mode as a string',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mode as a number',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mtime as Date',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mtime as { nsecs, secs }',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mtime as timespec',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should write file and specify mtime as hrtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat file with mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat file with mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat dir with mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat dir with mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat sharded dir with mode',
+        reason: 'TODO not implemented in go-ipfs yet'
+      },
+      {
+        name: 'should stat sharded dir with mtime',
+        reason: 'TODO not implemented in go-ipfs yet'
       }
     ]
   })
 
-  tests.filesMFS(defaultCommonFactory)
-
-  tests.key(defaultCommonFactory, {
+  tests.key(commonFactory, {
     skip: [
       // key.export
       {
@@ -194,23 +304,32 @@ describe('interface-ipfs-core tests', () => {
     ]
   })
 
-  tests.miscellaneous(defaultCommonFactory, {
+  tests.miscellaneous(commonFactory)
+
+  tests.name(factory(
+    {
+      ipfsOptions: {
+        offline: true
+      }
+    }
+  ), {
     skip: [
-      // stop
       {
-        name: 'should stop the node',
-        reason: 'FIXME go-ipfs returns an error https://github.com/ipfs/go-ipfs/issues/4078'
+        name: 'should resolve a record from peerid as cidv1 in base32',
+        reason: 'TODO not implemented in go-ipfs yet: https://github.com/ipfs/go-ipfs/issues/5287'
       }
     ]
   })
 
-  // TODO: uncomment after https://github.com/ipfs/interface-ipfs-core/pull/361 being merged and a new release
-  tests.namePubsub(CommonFactory.create({
-    spawnOptions: {
-      args: ['--enable-namesys-pubsub'],
-      initOptions: { bits: 1024 }
+  tests.namePubsub(factory(
+    {
+      ipfsOptions: {
+        EXPERIMENTAL: {
+          ipnsPubsub: true
+        }
+      }
     }
-  }), {
+  ), {
     skip: [
       // name.pubsub.cancel
       {
@@ -225,65 +344,40 @@ describe('interface-ipfs-core tests', () => {
     ]
   })
 
-  tests.object(defaultCommonFactory)
+  tests.object(commonFactory)
 
-  tests.pin(defaultCommonFactory)
+  tests.pin(commonFactory)
 
-  tests.ping(defaultCommonFactory)
+  tests.ping(commonFactory, {
+    skip: [
+      {
+        name: 'should fail when pinging a peer that is not available',
+        reason: 'FIXME go-ipfs return success with text: Looking up peer <cid>'
+      }
+    ]
+  })
 
-  tests.pubsub(CommonFactory.create({
-    spawnOptions: {
-      args: ['--enable-pubsub-experiment'],
-      initOptions: { bits: 1024 }
+  tests.pubsub(factory({}, {
+    go: {
+      args: ['--enable-pubsub-experiment']
     }
   }), {
-    skip: isNode ? [
+    skip: isWindows ? [
       // pubsub.subscribe
-      isWindows ? {
+      {
         name: 'should send/receive 100 messages',
         reason: 'FIXME https://github.com/ipfs/interface-ipfs-core/pull/188#issuecomment-354673246 and https://github.com/ipfs/go-ipfs/issues/4778'
-      } : null,
-      isWindows ? {
+      },
+      {
         name: 'should receive multiple messages',
         reason: 'FIXME https://github.com/ipfs/interface-ipfs-core/pull/188#issuecomment-354673246 and https://github.com/ipfs/go-ipfs/issues/4778'
-      } : null
-    ] : {
-      reason: 'FIXME pubsub is not supported in the browser https://github.com/ipfs/js-ipfs-http-client/issues/518'
-    }
+      }
+    ] : null
   })
 
-  tests.repo(defaultCommonFactory)
-
-  tests.stats(defaultCommonFactory)
+  tests.repo(commonFactory)
 
-  tests.swarm(CommonFactory.create({
-    createSetup ({ ipfsFactory, nodes }) {
-      return callback => {
-        callback(null, {
-          spawnNode (repoPath, config, cb) {
-            if (typeof repoPath === 'function') {
-              cb = repoPath
-              repoPath = undefined
-            }
+  tests.stats(commonFactory)
 
-            if (typeof config === 'function') {
-              cb = config
-              config = undefined
-            }
-
-            const spawnOptions = { repoPath, config, initOptions: { bits: 1024 } }
-
-            ipfsFactory.spawn(spawnOptions, (err, _ipfsd) => {
-              if (err) {
-                return cb(err)
-              }
-
-              nodes.push(_ipfsd)
-              cb(null, ipfsClient(_ipfsd.apiAddr))
-            })
-          }
-        })
-      }
-    }
-  }))
+  tests.swarm(commonFactory)
 })
diff --git a/test/key.spec.js b/test/key.spec.js
index 8ed35d42b..eb53b8293 100644
--- a/test/key.spec.js
+++ b/test/key.spec.js
@@ -1,88 +1,40 @@
 /* eslint-env mocha */
-/* eslint max-nested-callbacks: ["error", 8] */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const f = require('./utils/factory')()
 
 describe('.key', function () {
   this.timeout(50 * 1000)
 
-  let ipfsd
   let ipfs
 
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  describe('Callback API', () => {
-    describe('.gen', () => {
-      it('create a new rsa key', (done) => {
-        ipfs.key.gen('foobarsa', { type: 'rsa', size: 2048 }, (err, res) => {
-          expect(err).to.not.exist()
-          expect(res).to.exist()
-          done()
-        })
-      })
+  describe('.gen', () => {
+    it('create a new rsa key', async () => {
+      const res = await ipfs.key.gen('foobarsa', { type: 'rsa', size: 2048 })
 
-      it('create a new ed25519 key', (done) => {
-        ipfs.key.gen('bazed', { type: 'ed25519' }, (err, res) => {
-          expect(err).to.not.exist()
-          expect(res).to.exist()
-          done()
-        })
-      })
+      expect(res).to.exist()
     })
 
-    describe('.list', () => {
-      it('both keys show up + self', (done) => {
-        ipfs.key.list((err, res) => {
-          expect(err).to.not.exist()
-          expect(res).to.exist()
-          expect(res.length).to.equal(3)
-          done()
-        })
-      })
+    it('create a new ed25519 key', async () => {
+      const res = await ipfs.key.gen('bazed', { type: 'ed25519' })
+
+      expect(res).to.exist()
     })
   })
 
-  describe('Promise API', () => {
-    describe('.gen', () => {
-      it('create a new rsa key', () => {
-        return ipfs.key.gen('foobarsa2', { type: 'rsa', size: 2048 }).then((res) => {
-          expect(res).to.exist()
-        })
-      })
-
-      it('create a new ed25519 key', () => {
-        return ipfs.key.gen('bazed2', { type: 'ed25519' }).then((res) => {
-          expect(res).to.exist()
-        })
-      })
-    })
+  describe('.list', () => {
+    it('both keys show up + self', async () => {
+      const res = await ipfs.key.list()
 
-    describe('.list', () => {
-      it('4 keys to show up + self', () => {
-        return ipfs.key.list().then((res) => {
-          expect(res).to.exist()
-          expect(res.length).to.equal(5)
-        })
-      })
+      expect(res).to.exist()
+      expect(res.length).to.equal(3)
     })
   })
 })
diff --git a/test/lib.configure.spec.js b/test/lib.configure.spec.js
new file mode 100644
index 000000000..550165035
--- /dev/null
+++ b/test/lib.configure.spec.js
@@ -0,0 +1,80 @@
+/* eslint-env mocha, browser */
+'use strict'
+
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const Multiaddr = require('multiaddr')
+const { isBrowser, isWebWorker } = require('ipfs-utils/src/env')
+const configure = require('../src/lib/configure')
+
+describe('lib/configure', () => {
+  it('should accept no config', () => {
+    configure(config => {
+      if (isBrowser || isWebWorker) {
+        expect(config.apiAddr).to.eql(location.origin)
+      } else {
+        expect(config.apiAddr).to.eql('http://localhost:5001')
+      }
+    })()
+  })
+
+  it('should accept string multiaddr', () => {
+    const input = '/ip4/127.0.0.1/tcp/5001'
+    configure(config => {
+      expect(config.apiAddr).to.eql('http://127.0.0.1:5001')
+    })(input)
+  })
+
+  it('should accept string url', () => {
+    const input = 'http://127.0.0.1:5001'
+    configure(config => {
+      expect(config.apiAddr).to.eql('http://127.0.0.1:5001')
+    })(input)
+  })
+
+  it('should accept multiaddr instance', () => {
+    const input = Multiaddr('/ip4/127.0.0.1/tcp/5001')
+    configure(config => {
+      expect(config.apiAddr).to.eql('http://127.0.0.1:5001')
+    })(input)
+  })
+
+  it('should accept object with protocol, host and port', () => {
+    const input = { protocol: 'https', host: 'ipfs.io', port: 138 }
+    configure(config => {
+      expect(config.apiAddr).to.eql('https://ipfs.io:138')
+    })(input)
+  })
+
+  it('should accept object with protocol only', () => {
+    const input = { protocol: 'https' }
+    configure(config => {
+      if (isBrowser || isWebWorker) {
+        expect(config.apiAddr).to.eql(`https://${location.host}`)
+      } else {
+        expect(config.apiAddr).to.eql('https://localhost:5001')
+      }
+    })(input)
+  })
+
+  it('should accept object with host only', () => {
+    const input = { host: 'ipfs.io' }
+    configure(config => {
+      if (isBrowser || isWebWorker) {
+        expect(config.apiAddr).to.eql(`http://ipfs.io:${location.port}`)
+      } else {
+        expect(config.apiAddr).to.eql('http://ipfs.io:5001')
+      }
+    })(input)
+  })
+
+  it('should accept object with port only', () => {
+    const input = { port: 138 }
+    configure(config => {
+      if (isBrowser || isWebWorker) {
+        expect(config.apiAddr).to.eql(`http://${location.hostname}:138`)
+      } else {
+        expect(config.apiAddr).to.eql('http://localhost:138')
+      }
+    })(input)
+  })
+})
diff --git a/test/lib.error-handler.spec.js b/test/lib.error-handler.spec.js
new file mode 100644
index 000000000..c39e3040d
--- /dev/null
+++ b/test/lib.error-handler.spec.js
@@ -0,0 +1,52 @@
+/* eslint-env mocha */
+'use strict'
+
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const { HTTPError } = require('ky-universal')
+const throwsAsync = require('./utils/throws-async')
+const errorHandler = require('../src/lib/error-handler')
+
+describe('lib/error-handler', () => {
+  it('should parse json error response', async () => {
+    const res = {
+      ok: false,
+      headers: { get: () => 'application/json' },
+      json: () => Promise.resolve({
+        Message: 'boom',
+        Code: 0,
+        Type: 'error'
+      }),
+      status: 500
+    }
+
+    const err = await throwsAsync(errorHandler(null, null, res))
+
+    expect(err instanceof HTTPError).to.be.true()
+    expect(err.message).to.eql('boom')
+    expect(err.response.status).to.eql(500)
+  })
+
+  it('should gracefully fail on parse json', async () => {
+    const res = {
+      ok: false,
+      headers: { get: () => 'application/json' },
+      json: () => 'boom', // not valid json!
+      status: 500
+    }
+
+    const err = await throwsAsync(errorHandler(null, null, res))
+    expect(err instanceof HTTPError).to.be.true()
+  })
+
+  it('should gracefully fail on read text', async () => {
+    const res = {
+      ok: false,
+      headers: { get: () => 'text/plain' },
+      text: () => Promise.reject(new Error('boom')),
+      status: 500
+    }
+
+    const err = await throwsAsync(errorHandler(null, null, res))
+    expect(err instanceof HTTPError).to.be.true()
+  })
+})
diff --git a/test/log.spec.js b/test/log.spec.js
index 16782d66a..cfa18582c 100644
--- a/test/log.spec.js
+++ b/test/log.spec.js
@@ -2,72 +2,50 @@
 /* eslint max-nested-callbacks: ["error", 8] */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const all = require('it-all')
+const f = require('./utils/factory')()
 
 describe('.log', function () {
   this.timeout(100 * 1000)
 
-  let ipfsd
   let ipfs
 
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
+  after(() => f.clean())
 
-  it('.log.tail', (done) => {
-    let i = setInterval(() => {
-      ipfs.add(Buffer.from('just adding some data to generate logs'))
+  it('.log.tail', async () => {
+    const i = setInterval(async () => {
+      try {
+        await all(ipfs.add(Buffer.from('just adding some data to generate logs')))
+      } catch (_) {
+        // this can error if the test has finished and we're shutting down the node
+      }
     }, 1000)
 
-    const req = ipfs.log.tail((err, res) => {
-      expect(err).to.not.exist()
-      expect(req).to.exist()
-
-      res.once('data', (obj) => {
-        clearInterval(i)
-        expect(obj).to.be.an('object')
-        done()
-      })
-    })
+    for await (const message of ipfs.log.tail()) {
+      clearInterval(i)
+      expect(message).to.be.an('object')
+      break
+    }
   })
 
-  it('.log.ls', (done) => {
-    ipfs.log.ls((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
+  it('.log.ls', async () => {
+    const res = await ipfs.log.ls()
 
-      expect(res).to.be.an('array')
-
-      done()
-    })
+    expect(res).to.exist()
+    expect(res).to.be.an('array')
   })
 
-  it('.log.level', (done) => {
-    ipfs.log.level('all', 'error', (err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-
-      expect(res).to.be.an('object')
-      expect(res).to.not.have.property('Error')
-      expect(res).to.have.property('Message')
+  it('.log.level', async () => {
+    const res = await ipfs.log.level('all', 'error')
 
-      done()
-    })
+    expect(res).to.exist()
+    expect(res).to.be.an('object')
+    expect(res).to.not.have.property('error')
+    expect(res).to.have.property('message')
   })
 })
diff --git a/test/name.spec.js b/test/name.spec.js
deleted file mode 100644
index 67c19f94a..000000000
--- a/test/name.spec.js
+++ /dev/null
@@ -1,101 +0,0 @@
-/* eslint-env mocha */
-'use strict'
-
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const parallel = require('async/parallel')
-const series = require('async/series')
-const loadFixture = require('aegir/fixtures')
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
-
-const testfile = loadFixture('test/fixtures/testfile.txt')
-
-describe('.name', () => {
-  let ipfs
-  let ipfsd
-  let other
-  let otherd
-  let name
-  let testFileCid
-
-  before(function (done) {
-    this.timeout(30 * 1000)
-
-    series([
-      (cb) => {
-        f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-          expect(err).to.not.exist()
-          ipfsd = _ipfsd
-          ipfs = ipfsClient(_ipfsd.apiAddr)
-          cb()
-        })
-      },
-      (cb) => {
-        f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, node) => {
-          expect(err).to.not.exist()
-          other = node.api
-          otherd = node
-          cb()
-        })
-      },
-      (cb) => {
-        parallel([
-          (cb) => {
-            ipfs.id((err, id) => {
-              expect(err).to.not.exist()
-              const ma = id.addresses[0]
-              other.swarm.connect(ma, cb)
-            })
-          },
-          (cb) => {
-            ipfs.add(testfile, (err, res) => {
-              expect(err).to.not.exist()
-              testFileCid = res[0].hash
-              cb()
-            })
-          }
-        ], cb)
-      }
-    ], done)
-  })
-
-  after(function (done) {
-    this.timeout(10 * 1000)
-
-    parallel([
-      (cb) => {
-        if (!ipfsd) return cb()
-        ipfsd.stop(cb)
-      },
-      (cb) => {
-        if (!otherd) return cb()
-        otherd.stop(cb)
-      }
-    ], done)
-  })
-
-  it('.name.publish', function (done) {
-    this.timeout(5 * 60 * 1000)
-
-    ipfs.name.publish(testFileCid, (err, res) => {
-      expect(err).to.not.exist()
-      name = res
-      expect(name).to.exist()
-      done()
-    })
-  })
-
-  it('.name.resolve', (done) => {
-    ipfs.name.resolve(name.name, (err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      expect(res).to.be.eql(name.value)
-      done()
-    })
-  })
-})
diff --git a/test/node/swarm.js b/test/node/swarm.js
index 0ba0fe73f..89315f2fe 100644
--- a/test/node/swarm.js
+++ b/test/node/swarm.js
@@ -1,12 +1,8 @@
 /* eslint-env mocha */
 'use strict'
 
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 const nock = require('nock')
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
 const ipfsClient = require('../../src')
 
 describe('.swarm.peers', function () {
@@ -15,7 +11,7 @@ describe('.swarm.peers', function () {
   const ipfs = ipfsClient('/ip4/127.0.0.1/tcp/5001')
   const apiUrl = 'http://127.0.0.1:5001'
 
-  it('handles a peer response', (done) => {
+  it('handles a peer response', async () => {
     const response = { Peers: [{ Addr: '/ip4/104.131.131.82/tcp/4001', Peer: 'QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ', Latency: '', Muxer: '', Streams: null }] }
 
     const scope = nock(apiUrl)
@@ -23,39 +19,17 @@ describe('.swarm.peers', function () {
       .query(true)
       .reply(200, response)
 
-    ipfs.swarm.peers((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.a('array')
-      expect(res.length).to.equal(1)
-      expect(res[0].error).to.not.exist()
-      expect(res[0].addr.toString()).to.equal(response.Peers[0].Addr)
-      expect(res[0].peer.toB58String()).to.equal(response.Peers[0].Peer)
-      expect(scope.isDone()).to.equal(true)
-      done()
-    })
-  })
-
-  it('handles a go-ipfs <= 0.4.4 peer response', (done) => {
-    const response = { Strings: ['/ip4/73.109.217.59/tcp/49311/ipfs/QmWjxEGC7BthJrCf7QTModrcsRweHbupdPTY4oGMVoDZXm'] }
+    const res = await ipfs.swarm.peers()
 
-    const scope = nock(apiUrl)
-      .post('/api/v0/swarm/peers')
-      .query(true)
-      .reply(200, response)
-
-    ipfs.swarm.peers((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.a('array')
-      expect(res.length).to.equal(1)
-      expect(res[0].error).to.not.exist()
-      expect(res[0].addr.toString()).to.equal('/ip4/73.109.217.59/tcp/49311/ipfs/QmWjxEGC7BthJrCf7QTModrcsRweHbupdPTY4oGMVoDZXm')
-      expect(res[0].peer.toB58String()).to.equal('QmWjxEGC7BthJrCf7QTModrcsRweHbupdPTY4oGMVoDZXm')
-      expect(scope.isDone()).to.equal(true)
-      done()
-    })
+    expect(res).to.be.a('array')
+    expect(res.length).to.equal(1)
+    expect(res[0].error).to.not.exist()
+    expect(res[0].addr.toString()).to.equal(response.Peers[0].Addr)
+    expect(res[0].peer.toString()).to.equal(response.Peers[0].Peer)
+    expect(scope.isDone()).to.equal(true)
   })
 
-  it('handles an ip6 quic peer', (done) => {
+  it('handles an ip6 quic peer', async () => {
     const response = { Peers: [{ Addr: '/ip6/2001:8a0:7ac5:4201:3ac9:86ff:fe31:7095/udp/4001/quic', Peer: 'QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC', Latency: '', Muxer: '', Streams: null }] }
 
     const scope = nock(apiUrl)
@@ -63,19 +37,17 @@ describe('.swarm.peers', function () {
       .query(true)
       .reply(200, response)
 
-    ipfs.swarm.peers((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.a('array')
-      expect(res.length).to.equal(1)
-      expect(res[0].error).to.not.exist()
-      expect(res[0].addr.toString()).to.equal(response.Peers[0].Addr)
-      expect(res[0].peer.toB58String()).to.equal(response.Peers[0].Peer)
-      expect(scope.isDone()).to.equal(true)
-      done()
-    })
+    const res = await ipfs.swarm.peers()
+
+    expect(res).to.be.a('array')
+    expect(res.length).to.equal(1)
+    expect(res[0].error).to.not.exist()
+    expect(res[0].addr.toString()).to.equal(response.Peers[0].Addr)
+    expect(res[0].peer.toString()).to.equal(response.Peers[0].Peer)
+    expect(scope.isDone()).to.equal(true)
   })
 
-  it('handles unvalidatable peer addr', (done) => {
+  it('handles unvalidatable peer addr', async () => {
     const response = { Peers: [{ Addr: '/ip4/104.131.131.82/future-tech', Peer: 'QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC', Latency: '', Muxer: '', Streams: null }] }
 
     const scope = nock(apiUrl)
@@ -83,28 +55,23 @@ describe('.swarm.peers', function () {
       .query(true)
       .reply(200, response)
 
-    ipfs.swarm.peers((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.a('array')
-      expect(res.length).to.equal(1)
-      expect(res[0].error).to.exist()
-      expect(res[0].rawPeerInfo).to.deep.equal(response.Peers[0])
-      expect(scope.isDone()).to.equal(true)
-      done()
-    })
+    const res = await ipfs.swarm.peers()
+
+    expect(res).to.be.a('array')
+    expect(res.length).to.equal(1)
+    expect(res[0].error).to.exist()
+    expect(res[0].rawPeerInfo).to.deep.equal(response.Peers[0])
+    expect(scope.isDone()).to.equal(true)
   })
 
-  it('handles an error response', (done) => {
+  it('handles an error response', async () => {
     const scope = nock(apiUrl)
       .post('/api/v0/swarm/peers')
       .query(true)
       .replyWithError('something awful happened')
 
-    ipfs.swarm.peers((err, res) => {
-      expect(err.message).to.equal('something awful happened')
-      expect(res).to.not.exist()
-      expect(scope.isDone()).to.equal(true)
-      done()
-    })
+    await expect(ipfs.swarm.peers()).to.be.rejectedWith('something awful happened')
+
+    expect(scope.isDone()).to.equal(true)
   })
 })
diff --git a/test/ping.spec.js b/test/ping.spec.js
index 5f6ecd3ea..b464062bb 100644
--- a/test/ping.spec.js
+++ b/test/ping.spec.js
@@ -1,19 +1,10 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const pull = require('pull-stream/pull')
-const collect = require('pull-stream/sinks/collect')
-const expect = chai.expect
-chai.use(dirtyChai)
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const all = require('it-all')
 
-const parallel = require('async/parallel')
-const series = require('async/series')
-
-const ipfsClient = require('../src')
-const PingMessageStream = require('../src/utils/ping-message-stream')
-const f = require('./utils/factory')
+const f = require('./utils/factory')()
 
 // Determine if a ping response object is a pong, or something else, like a status message
 function isPong (pingResponse) {
@@ -24,172 +15,44 @@ describe('.ping', function () {
   this.timeout(20 * 1000)
 
   let ipfs
-  let ipfsd
   let other
-  let otherd
   let otherId
 
-  before(function (done) {
+  before(async function () {
     this.timeout(30 * 1000) // slow CI
 
-    series([
-      (cb) => {
-        f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-          expect(err).to.not.exist()
-          ipfsd = _ipfsd
-          ipfs = ipfsClient(_ipfsd.apiAddr)
-          cb()
-        })
-      },
-      (cb) => {
-        f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, node) => {
-          expect(err).to.not.exist()
-          other = node.api
-          otherd = node
-          cb()
-        })
-      },
-      (cb) => {
-        parallel([
-          (cb) => {
-            ipfs.id((err, id) => {
-              expect(err).to.not.exist()
-              const ma = id.addresses[0]
-              other.swarm.connect(ma, cb)
-            })
-          },
-          (cb) => {
-            other.id((err, id) => {
-              expect(err).to.not.exist()
-              otherId = id.id
-              cb()
-            })
-          }
-        ], cb)
-      }
-    ], done)
-  })
+    ipfs = (await f.spawn()).api
+    other = (await f.spawn()).api
 
-  after((done) => {
-    parallel([
-      (cb) => {
-        if (!ipfsd) return cb()
-        ipfsd.stop(cb)
-      },
-      (cb) => {
-        if (!otherd) return cb()
-        otherd.stop(cb)
-      }
-    ], done)
-  })
+    const ma = (await ipfs.id()).addresses[0]
+    await other.swarm.connect(ma)
 
-  it('.ping with default n', (done) => {
-    ipfs.ping(otherId, (err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.an('array')
-      expect(res.filter(isPong)).to.have.lengthOf(1)
-      res.forEach(packet => {
-        expect(packet).to.have.keys('success', 'time', 'text')
-        expect(packet.time).to.be.a('number')
-      })
-      const resultMsg = res.find(packet => packet.text.includes('Average latency'))
-      expect(resultMsg).to.exist()
-      done()
-    })
+    otherId = (await other.id()).id
   })
 
-  it('.ping with count = 2', (done) => {
-    ipfs.ping(otherId, { count: 2 }, (err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.an('array')
-      expect(res.filter(isPong)).to.have.lengthOf(2)
-      res.forEach(packet => {
-        expect(packet).to.have.keys('success', 'time', 'text')
-        expect(packet.time).to.be.a('number')
-      })
-      const resultMsg = res.find(packet => packet.text.includes('Average latency'))
-      expect(resultMsg).to.exist()
-      done()
-    })
-  })
+  after(() => f.clean())
 
-  it('.ping with n = 2', (done) => {
-    ipfs.ping(otherId, { n: 2 }, (err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.be.an('array')
-      expect(res.filter(isPong)).to.have.lengthOf(2)
-      res.forEach(packet => {
-        expect(packet).to.have.keys('success', 'time', 'text')
-        expect(packet.time).to.be.a('number')
-      })
-      const resultMsg = res.find(packet => packet.text.includes('Average latency'))
-      expect(resultMsg).to.exist()
-      done()
+  it('.ping with default count', async () => {
+    const res = await all(ipfs.ping(otherId))
+    expect(res).to.be.an('array')
+    expect(res.filter(isPong)).to.have.lengthOf(10)
+    res.forEach(packet => {
+      expect(packet).to.have.keys('success', 'time', 'text')
+      expect(packet.time).to.be.a('number')
     })
+    const resultMsg = res.find(packet => packet.text.includes('Average latency'))
+    expect(resultMsg).to.exist()
   })
 
-  it('.ping fails with count & n', function (done) {
-    this.timeout(20 * 1000)
-
-    ipfs.ping(otherId, { count: 2, n: 2 }, (err, res) => {
-      expect(err).to.exist()
-      done()
+  it('.ping with count = 2', async () => {
+    const res = await all(ipfs.ping(otherId, { count: 2 }))
+    expect(res).to.be.an('array')
+    expect(res.filter(isPong)).to.have.lengthOf(2)
+    res.forEach(packet => {
+      expect(packet).to.have.keys('success', 'time', 'text')
+      expect(packet.time).to.be.a('number')
     })
-  })
-
-  it('.ping with Promises', () => {
-    return ipfs.ping(otherId)
-      .then((res) => {
-        expect(res).to.be.an('array')
-        expect(res.filter(isPong)).to.have.lengthOf(1)
-        res.forEach(packet => {
-          expect(packet).to.have.keys('success', 'time', 'text')
-          expect(packet.time).to.be.a('number')
-        })
-        const resultMsg = res.find(packet => packet.text.includes('Average latency'))
-        expect(resultMsg).to.exist()
-      })
-  })
-
-  it('.pingPullStream', (done) => {
-    pull(
-      ipfs.pingPullStream(otherId),
-      collect((err, data) => {
-        expect(err).to.not.exist()
-        expect(data).to.be.an('array')
-        expect(data.filter(isPong)).to.have.lengthOf(1)
-        data.forEach(packet => {
-          expect(packet).to.have.keys('success', 'time', 'text')
-          expect(packet.time).to.be.a('number')
-        })
-        const resultMsg = data.find(packet => packet.text.includes('Average latency'))
-        expect(resultMsg).to.exist()
-        done()
-      })
-    )
-  })
-
-  it('.pingReadableStream', (done) => {
-    let packetNum = 0
-    ipfs.pingReadableStream(otherId)
-      .on('data', data => {
-        expect(data).to.be.an('object')
-        expect(data).to.have.keys('success', 'time', 'text')
-        if (isPong(data)) packetNum++
-      })
-      .on('error', err => {
-        expect(err).not.to.exist()
-      })
-      .on('end', () => {
-        expect(packetNum).to.equal(1)
-        done()
-      })
-  })
-
-  it('message conversion fails if invalid message is received', () => {
-    const messageConverter = new PingMessageStream()
-    expect(() => {
-      messageConverter.write({ some: 'InvalidMessage' })
-    }).to.throw('Invalid ping message received')
+    const resultMsg = res.find(packet => packet.text.includes('Average latency'))
+    expect(resultMsg).to.exist()
   })
 })
diff --git a/test/pubsub-in-browser.spec.js b/test/pubsub-in-browser.spec.js
deleted file mode 100644
index ff1a22347..000000000
--- a/test/pubsub-in-browser.spec.js
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
-  We currently don't support pubsub when run in the browser,
-  and we test it with separate set of tests to make sure
-  if it's being used in the browser, pubsub errors.
-
-  More info: https://github.com/ipfs/js-ipfs-http-client/issues/518
-
-  This means:
-  - You can use pubsub from js-ipfs-http-client in Node.js
-  - You can use pubsub from js-ipfs-http-client in Electron
-    (when js-ipfs-http-client is ran in the main process of Electron)
-
-  - You can't use pubsub from js-ipfs-http-client in the browser
-  - You can't use pubsub from js-ipfs-http-client in Electron's
-    renderer process
-
-  - You can use pubsub from js-ipfs in the browsers
-  - You can use pubsub from js-ipfs in Node.js
-  - You can use pubsub from js-ipfs in Electron
-    (in both the main process and the renderer process)
-  - See https://github.com/ipfs/js-ipfs for details on
-    pubsub in js-ipfs
-*/
-
-/* eslint-env mocha */
-/* eslint max-nested-callbacks: ['error', 8] */
-'use strict'
-
-const isNode = require('detect-node')
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
-
-const expectedError = 'pubsub is currently not supported when run in the browser'
-
-describe('.pubsub is not supported in the browser, yet!', function () {
-  this.timeout(50 * 1000)
-
-  if (isNode) { return }
-
-  const topic = 'pubsub-tests'
-  let ipfs
-  let ipfsd
-
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
-  })
-
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
-
-  describe('everything errors', () => {
-    describe('Callback API', () => {
-      describe('.publish', () => {
-        it('throws an error if called in the browser', (done) => {
-          ipfs.pubsub.publish(topic, 'hello friend', (err, topics) => {
-            expect(err).to.exist()
-            expect(err.message).to.equal(expectedError)
-            done()
-          })
-        })
-      })
-
-      describe('.subscribe', () => {
-        const handler = () => {}
-        it('throws an error if called in the browser', (done) => {
-          ipfs.pubsub.subscribe(topic, handler, {}, (err, topics) => {
-            expect(err).to.exist()
-            expect(err.message).to.equal(expectedError)
-            done()
-          })
-        })
-      })
-
-      describe('.peers', () => {
-        it('throws an error if called in the browser', (done) => {
-          ipfs.pubsub.peers(topic, (err, topics) => {
-            expect(err).to.exist()
-            expect(err.message).to.equal(expectedError)
-            done()
-          })
-        })
-      })
-
-      describe('.ls', () => {
-        it('throws an error if called in the browser', (done) => {
-          ipfs.pubsub.ls((err, topics) => {
-            expect(err).to.exist()
-            expect(err.message).to.equal(expectedError)
-            done()
-          })
-        })
-      })
-    })
-
-    describe('Promise API', () => {
-      describe('.publish', () => {
-        it('throws an error if called in the browser', () => {
-          return ipfs.pubsub.publish(topic, 'hello friend')
-            .catch((err) => {
-              expect(err).to.exist()
-              expect(err.message).to.equal(expectedError)
-            })
-        })
-      })
-
-      describe('.subscribe', () => {
-        const handler = () => {}
-        it('throws an error if called in the browser', (done) => {
-          ipfs.pubsub.subscribe(topic, handler, {})
-            .catch((err) => {
-              expect(err).to.exist()
-              expect(err.message).to.equal(expectedError)
-              done()
-            })
-        })
-      })
-
-      describe('.peers', () => {
-        it('throws an error if called in the browser', (done) => {
-          ipfs.pubsub.peers(topic)
-            .catch((err) => {
-              expect(err).to.exist()
-              expect(err.message).to.equal(expectedError)
-              done()
-            })
-        })
-      })
-
-      describe('.ls', () => {
-        it('throws an error if called in the browser', () => {
-          return ipfs.pubsub.ls()
-            .catch((err) => {
-              expect(err).to.exist()
-              expect(err.message).to.equal(expectedError)
-            })
-        })
-      })
-    })
-
-    describe('.unsubscribe', () => {
-      it('throws an error if called in the browser', (done) => {
-        ipfs.pubsub.unsubscribe('test', () => {}, (err) => {
-          expect(err).to.exist()
-          expect(err.message).to.equal(expectedError)
-          done()
-        })
-      })
-    })
-  })
-})
diff --git a/test/refs.spec.js b/test/refs.spec.js
deleted file mode 100644
index 9ffcf4ebe..000000000
--- a/test/refs.spec.js
+++ /dev/null
@@ -1,100 +0,0 @@
-/* eslint-env mocha */
-'use strict'
-
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-const isNode = require('detect-node')
-const waterfall = require('async/waterfall')
-const path = require('path')
-const fs = require('fs')
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
-
-describe('.refs', function () {
-  this.timeout(80 * 1000)
-
-  if (!isNode) { return }
-
-  let ipfs
-  let ipfsd
-  let folder
-
-  before((done) => {
-    const filesPath = path.join(__dirname, '/fixtures/test-folder')
-
-    // Symlinks in a repo don't always clone well, especially on Windows.
-    // So if the 'hello-link' is not a symlink, then make it one.
-    const symlinkPath = filesPath + '/hello-link'
-    const symlinkTarget = 'files/hello.txt'
-    if (!fs.lstatSync(symlinkPath).isSymbolicLink()) {
-      fs.unlinkSync(symlinkPath)
-      fs.symlinkSync(symlinkTarget, symlinkPath)
-    }
-
-    waterfall([
-      (cb) => f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, cb),
-      (_ipfsd, cb) => {
-        ipfsd = _ipfsd
-        ipfs = ipfsClient(_ipfsd.apiAddr)
-        ipfs.addFromFs(filesPath, { recursive: true }, cb)
-      },
-      (hashes, cb) => {
-        folder = hashes[hashes.length - 1].hash
-        expect(folder).to.be.eql('QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh')
-        cb()
-      }
-    ], done)
-  })
-
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
-  })
-
-  const result = [
-    {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmcUYKmQxmTcFom4R4UZP7FWeQzgJkwcFn51XrvsMy7PE9 add',
-      Err: ''
-    }, {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmNeHxDfQfjVFyYj2iruvysLH9zpp78v3cu1s3BZq1j5hY cat',
-      Err: ''
-    }, {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmTYFLz5vsdMpq4XXw1a1pSxujJc9Z5V3Aw1Qg64d849Zy files',
-      Err: ''
-    }, {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmY9cxiHqTFoWamkQVkpmmqzBrY3hCBEL2XNu3NtX74Fuu hello-link',
-      Err: ''
-    }, {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmU7wetVaAqc3Meurif9hcYBHGvQmL5QdpPJYBoZizyTNL ipfs-add',
-      Err: ''
-    }, {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmctZfSuegbi2TMFY2y3VQjxsH5JbRBu7XmiLfHNvshhio ls',
-      Err: ''
-    }, {
-      Ref: 'QmQao3KNcpCsdXaLGpjieFGMfXzsSXgsf6Rnc5dJJA3QMh QmbkMNB6rwfYAxRvnG9CWJ6cKKHEdq2ZKTozyF5FQ7H8Rs version',
-      Err: ''
-    }
-  ]
-
-  describe('Callback API', () => {
-    it('refs', (done) => {
-      ipfs.refs(folder, { format: '<src> <dst> <linkname>' }, (err, objs) => {
-        expect(err).to.not.exist()
-        expect(objs).to.eql(result)
-        done()
-      })
-    })
-  })
-
-  describe('Promise API', () => {
-    it('refs', () => {
-      return ipfs.refs(folder, { format: '<src> <dst> <linkname>' })
-        .then((objs) => {
-          expect(objs).to.eql(result)
-        })
-    })
-  })
-})
diff --git a/test/repo.spec.js b/test/repo.spec.js
index e01868810..7a1b643d7 100644
--- a/test/repo.spec.js
+++ b/test/repo.spec.js
@@ -1,57 +1,37 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const f = require('./utils/factory')()
 
 describe('.repo', function () {
   this.timeout(50 * 1000) // slow CI
 
   let ipfs
-  let ipfsd
-
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
-  })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  it('.repo.gc', (done) => {
-    ipfs.repo.gc((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      done()
-    })
+  after(() => f.clean())
+
+  it('.repo.gc', async () => {
+    const res = await ipfs.repo.gc()
+
+    expect(res).to.exist()
   })
 
-  it('.repo.stat', (done) => {
-    ipfs.repo.stat((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      expect(res).to.have.a.property('numObjects')
-      expect(res).to.have.a.property('repoSize')
-      done()
-    })
+  it('.repo.stat', async () => {
+    const res = await ipfs.repo.stat()
+
+    expect(res).to.exist()
+    expect(res).to.have.a.property('numObjects')
+    expect(res).to.have.a.property('repoSize')
   })
 
-  it('.repo.version', (done) => {
-    ipfs.repo.version((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      done()
-    })
+  it('.repo.version', async () => {
+    const res = await ipfs.repo.version()
+
+    expect(res).to.exist()
   })
 })
diff --git a/test/request-api.spec.js b/test/request-api.spec.js
index 02f342e53..1767b5914 100644
--- a/test/request-api.spec.js
+++ b/test/request-api.spec.js
@@ -1,20 +1,13 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-const isNode = require('detect-node')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const { isNode } = require('ipfs-utils/src/env')
 const ipfsClient = require('../src/index.js')
-const ndjson = require('ndjson')
-const pump = require('pump')
 
 describe('\'deal with HTTP weirdness\' tests', () => {
-  it('does not crash if no content-type header is provided', (done) => {
-    if (!isNode) {
-      return done()
-    }
+  it('does not crash if no content-type header is provided', async function () {
+    if (!isNode) return this.skip()
 
     // go-ipfs always (currently) adds a content-type header, even if no content is present,
     // the standard behaviour for an http-api is to omit this header if no content is present
@@ -27,12 +20,10 @@ describe('\'deal with HTTP weirdness\' tests', () => {
       })
     })
 
-    server.listen(6001, () => {
-      ipfsClient('/ip4/127.0.0.1/tcp/6001').config.replace('test/fixtures/r-config.json', (err) => {
-        expect(err).to.not.exist()
-        server.close(done)
-      })
-    })
+    await new Promise(resolve => server.listen(6001, resolve))
+    await ipfsClient('/ip4/127.0.0.1/tcp/6001').config.replace('test/fixtures/r-config.json')
+
+    server.close()
   })
 })
 
@@ -42,12 +33,11 @@ describe('trailer headers', () => {
     if (!isNode) { return done() }
 
     const server = require('http').createServer((req, res) => {
-      const resStream = pump(res, ndjson.stringify())
       res.setHeader('x-chunked-output', '1')
       res.setHeader('content-type', 'application/json')
       res.setHeader('Trailer', 'X-Stream-Error')
       res.addTrailers({ 'X-Stream-Error': JSON.stringify({ Message: 'ups, something went wrong', Code: 500 }) })
-      resStream.write({ Bytes: 1 })
+      res.write(JSON.stringify({ Bytes: 1 }))
       res.end()
     })
 
@@ -65,3 +55,74 @@ describe('trailer headers', () => {
     })
   })
 })
+
+describe('error handling', () => {
+  it('should handle plain text error response', async function () {
+    if (!isNode) return this.skip()
+
+    const server = require('http').createServer((req, res) => {
+      // Consume the entire request, before responding.
+      req.on('data', () => {})
+      req.on('end', () => {
+        // Write a text/plain response with a 403 (forbidden) status
+        res.writeHead(403, { 'Content-Type': 'text/plain' })
+        res.write('ipfs method not allowed')
+        res.end()
+      })
+    })
+
+    await new Promise(resolve => server.listen(6001, resolve))
+
+    await expect(ipfsClient('/ip4/127.0.0.1/tcp/6001').config.replace('test/fixtures/r-config.json'))
+      .to.eventually.be.rejectedWith('ipfs method not allowed')
+      .and.to.have.nested.property('response.status').that.equals(403)
+
+    server.close()
+  })
+
+  it('should handle JSON error response', async function () {
+    if (!isNode) return this.skip()
+
+    const server = require('http').createServer((req, res) => {
+      // Consume the entire request, before responding.
+      req.on('data', () => {})
+      req.on('end', () => {
+        // Write a application/json response with a 400 (bad request) header
+        res.writeHead(400, { 'Content-Type': 'application/json' })
+        res.write(JSON.stringify({ Message: 'client error', Code: 1 }))
+        res.end()
+      })
+    })
+
+    await new Promise(resolve => server.listen(6001, resolve))
+
+    await expect(ipfsClient('/ip4/127.0.0.1/tcp/6001').config.replace('test/fixtures/r-config.json'))
+      .to.eventually.be.rejectedWith('client error')
+      .and.to.have.nested.property('response.status').that.equals(400)
+
+    server.close()
+  })
+
+  it('should handle JSON error response with invalid JSON', async function () {
+    if (!isNode) return this.skip()
+
+    const server = require('http').createServer((req, res) => {
+      // Consume the entire request, before responding.
+      req.on('data', () => {})
+      req.on('end', () => {
+        // Write a application/json response with a 400 (bad request) header
+        res.writeHead(400, { 'Content-Type': 'application/json' })
+        res.write('{ Message: ')
+        res.end()
+      })
+    })
+
+    await new Promise(resolve => server.listen(6001, resolve))
+
+    await expect(ipfsClient('/ip4/127.0.0.1/tcp/6001').config.replace('test/fixtures/r-config.json'))
+      .to.eventually.be.rejected()
+      .and.to.have.property('message').that.includes('Unexpected token M in JSON at position 2')
+
+    server.close()
+  })
+})
diff --git a/test/stats.spec.js b/test/stats.spec.js
index 4597e0397..6b1530bee 100644
--- a/test/stats.spec.js
+++ b/test/stats.spec.js
@@ -1,73 +1,54 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const ipfsClient = require('../src')
-const f = require('./utils/factory')
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
+const all = require('it-all')
+const f = require('./utils/factory')()
 
 describe('stats', function () {
   this.timeout(50 * 1000) // slow CI
 
   let ipfs
-  let ipfsd
 
-  before((done) => {
-    f.spawn({ initOptions: { bits: 1024, profile: 'test' } }, (err, _ipfsd) => {
-      expect(err).to.not.exist()
-      ipfsd = _ipfsd
-      ipfs = ipfsClient(_ipfsd.apiAddr)
-      done()
-    })
+  before(async () => {
+    ipfs = (await f.spawn()).api
   })
 
-  after((done) => {
-    if (!ipfsd) return done()
-    ipfsd.stop(done)
+  after(() => f.clean())
+
+  it('.stats.bitswap', async () => {
+    const res = await ipfs.stats.bitswap()
+
+    expect(res).to.exist()
+    expect(res).to.have.a.property('provideBufLen')
+    expect(res).to.have.a.property('wantlist')
+    expect(res).to.have.a.property('peers')
+    expect(res).to.have.a.property('blocksReceived')
+    expect(res).to.have.a.property('dataReceived')
+    expect(res).to.have.a.property('blocksSent')
+    expect(res).to.have.a.property('dataSent')
+    expect(res).to.have.a.property('dupBlksReceived')
+    expect(res).to.have.a.property('dupDataReceived')
   })
 
-  it('.stats.bitswap', (done) => {
-    ipfs.stats.bitswap((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      expect(res).to.have.a.property('provideBufLen')
-      expect(res).to.have.a.property('wantlist')
-      expect(res).to.have.a.property('peers')
-      expect(res).to.have.a.property('blocksReceived')
-      expect(res).to.have.a.property('dataReceived')
-      expect(res).to.have.a.property('blocksSent')
-      expect(res).to.have.a.property('dataSent')
-      expect(res).to.have.a.property('dupBlksReceived')
-      expect(res).to.have.a.property('dupDataReceived')
-      done()
-    })
-  })
+  it('.stats.bw', async () => {
+    const res = (await all(ipfs.stats.bw()))[0]
 
-  it('.stats.bw', (done) => {
-    ipfs.stats.bw((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      expect(res).to.have.a.property('totalIn')
-      expect(res).to.have.a.property('totalOut')
-      expect(res).to.have.a.property('rateIn')
-      expect(res).to.have.a.property('rateOut')
-      done()
-    })
+    expect(res).to.exist()
+    expect(res).to.have.a.property('totalIn')
+    expect(res).to.have.a.property('totalOut')
+    expect(res).to.have.a.property('rateIn')
+    expect(res).to.have.a.property('rateOut')
   })
 
-  it('.stats.repo', (done) => {
-    ipfs.stats.repo((err, res) => {
-      expect(err).to.not.exist()
-      expect(res).to.exist()
-      expect(res).to.have.a.property('numObjects')
-      expect(res).to.have.a.property('repoSize')
-      expect(res).to.have.a.property('repoPath')
-      expect(res).to.have.a.property('version')
-      expect(res).to.have.a.property('storageMax')
-      done()
-    })
+  it('.stats.repo', async () => {
+    const res = await ipfs.stats.repo()
+
+    expect(res).to.exist()
+    expect(res).to.have.a.property('numObjects')
+    expect(res).to.have.a.property('repoSize')
+    expect(res).to.have.a.property('repoPath')
+    expect(res).to.have.a.property('version')
+    expect(res).to.have.a.property('storageMax')
   })
 })
diff --git a/test/sub-modules.spec.js b/test/sub-modules.spec.js
index 333407ea4..a5db456df 100644
--- a/test/sub-modules.spec.js
+++ b/test/sub-modules.spec.js
@@ -1,19 +1,11 @@
 /* eslint-env mocha */
 'use strict'
 
-const chai = require('chai')
-const dirtyChai = require('dirty-chai')
-const expect = chai.expect
-chai.use(dirtyChai)
-
-const defaultConfig = require('../src/utils/default-config.js')
-const config = defaultConfig()
-config.host = 'test'
-config.port = '1111'
+const { expect } = require('interface-ipfs-core/src/utils/mocha')
 
 describe('submodules', () => {
   it('bitswap', () => {
-    const bitswap = require('../src/bitswap')(config)
+    const bitswap = require('../src/bitswap')()
 
     expect(bitswap.wantlist).to.be.a('function')
     expect(bitswap.stat).to.be.a('function')
@@ -21,7 +13,7 @@ describe('submodules', () => {
   })
 
   it('block', () => {
-    const block = require('../src/block')(config)
+    const block = require('../src/block')()
 
     expect(block.get).to.be.a('function')
     expect(block.stat).to.be.a('function')
@@ -29,7 +21,7 @@ describe('submodules', () => {
   })
 
   it('bootstrap', () => {
-    const bootstrap = require('../src/bootstrap')(config)
+    const bootstrap = require('../src/bootstrap')()
 
     expect(bootstrap.add).to.be.a('function')
     expect(bootstrap.rm).to.be.a('function')
@@ -37,15 +29,18 @@ describe('submodules', () => {
   })
 
   it('config', () => {
-    const cfg = require('../src/config')(config)
+    const cfg = require('../src/config')()
 
     expect(cfg.get).to.be.a('function')
     expect(cfg.set).to.be.a('function')
     expect(cfg.replace).to.be.a('function')
+    expect(cfg).to.have.a.property('profiles')
+    expect(cfg.profiles.list).to.be.a('function')
+    expect(cfg.profiles.apply).to.be.a('function')
   })
 
   it('dht', () => {
-    const dht = require('../src/dht')(config)
+    const dht = require('../src/dht')()
 
     expect(dht.get).to.be.a('function')
     expect(dht.put).to.be.a('function')
@@ -56,29 +51,25 @@ describe('submodules', () => {
   })
 
   it('id', () => {
-    const id = require('../src/id')(config)
+    const id = require('../src/id')()
 
     expect(id).to.be.a('function')
   })
 
   it('version', () => {
-    const version = require('../src/version')(config)
+    const version = require('../src/version')()
 
     expect(version).to.be.a('function')
   })
 
   it('ping', () => {
-    const ping = require('../src/ping')(config)
-    const pingPullStream = require('../src/ping-pull-stream')(config)
-    const pingReadableStream = require('../src/ping-readable-stream')(config)
+    const ping = require('../src')().ping
 
     expect(ping).to.be.a('function')
-    expect(pingPullStream).to.be.a('function')
-    expect(pingReadableStream).to.be.a('function')
   })
 
   it('log', () => {
-    const log = require('../src/log')(config)
+    const log = require('../src/log')()
 
     expect(log.ls).to.be.a('function')
     expect(log.tail).to.be.a('function')
@@ -86,21 +77,21 @@ describe('submodules', () => {
   })
 
   it('key', () => {
-    const key = require('../src/key')(config)
+    const key = require('../src/key')()
 
     expect(key.gen).to.be.a('function')
     expect(key.list).to.be.a('function')
   })
 
   it('name', () => {
-    const name = require('../src/name')(config)
+    const name = require('../src/name')()
 
     expect(name.publish).to.be.a('function')
     expect(name.resolve).to.be.a('function')
   })
 
   it('pin', () => {
-    const pin = require('../src/pin')(config)
+    const pin = require('../src/pin')()
 
     expect(pin.add).to.be.a('function')
     expect(pin.rm).to.be.a('function')
@@ -108,14 +99,14 @@ describe('submodules', () => {
   })
 
   it('repo', () => {
-    const repo = require('../src/repo')(config)
+    const repo = require('../src/repo')()
 
     expect(repo.gc).to.be.a('function')
     expect(repo.stat).to.be.a('function')
   })
 
   it('stats', () => {
-    const stats = require('../src/stats')(config)
+    const stats = require('../src/stats')()
 
     expect(stats.bitswap).to.be.a('function')
     expect(stats.bw).to.be.a('function')
@@ -123,7 +114,7 @@ describe('submodules', () => {
   })
 
   it('swarm', () => {
-    const swarm = require('../src/swarm')(config)
+    const swarm = require('../src/swarm')()
 
     expect(swarm.peers).to.be.a('function')
     expect(swarm.connect).to.be.a('function')
@@ -133,7 +124,7 @@ describe('submodules', () => {
   })
 
   it('diag', () => {
-    const diag = require('../src/diag')(config)
+    const diag = require('../src/diag')()
 
     expect(diag.net).to.be.a('function')
     expect(diag.sys).to.be.a('function')
@@ -141,7 +132,7 @@ describe('submodules', () => {
   })
 
   it('object', () => {
-    const object = require('../src/object')(config)
+    const object = require('../src/object')()
 
     expect(object.get).to.be.a('function')
     expect(object.put).to.be.a('function')
@@ -156,7 +147,7 @@ describe('submodules', () => {
   })
 
   it('pubsub', () => {
-    const pubsub = require('../src/pubsub')(config)
+    const pubsub = require('../src/pubsub')()
 
     expect(pubsub.subscribe).to.be.a('function')
     expect(pubsub.unsubscribe).to.be.a('function')
@@ -166,54 +157,38 @@ describe('submodules', () => {
   })
 
   it('files regular API', () => {
-    const filesRegular = require('../src/files-regular')(config)
+    const filesRegular = require('../src')()
 
     expect(filesRegular.add).to.be.a('function')
-    expect(filesRegular.addReadableStream).to.be.a('function')
-    expect(filesRegular.addPullStream).to.be.a('function')
-    expect(filesRegular.addFromStream).to.be.a('function')
-    expect(filesRegular.addFromFs).to.be.a('function')
-    expect(filesRegular.addFromURL).to.be.a('function')
     expect(filesRegular.get).to.be.a('function')
-    expect(filesRegular.getReadableStream).to.be.a('function')
-    expect(filesRegular.getPullStream).to.be.a('function')
     expect(filesRegular.cat).to.be.a('function')
-    expect(filesRegular.catReadableStream).to.be.a('function')
-    expect(filesRegular.catPullStream).to.be.a('function')
     expect(filesRegular.ls).to.be.a('function')
-    expect(filesRegular.lsReadableStream).to.be.a('function')
-    expect(filesRegular.lsPullStream).to.be.a('function')
+    expect(filesRegular.refs).to.be.a('function')
+    expect(filesRegular.refs.local).to.be.a('function')
   })
 
   it('files MFS API', () => {
-    const filesMFS = require('../src/files-mfs')(config)
+    const files = require('../src/files')()
 
-    expect(filesMFS.cp).to.be.a('function')
-    expect(filesMFS.ls).to.be.a('function')
-    expect(filesMFS.mkdir).to.be.a('function')
-    expect(filesMFS.stat).to.be.a('function')
-    expect(filesMFS.rm).to.be.a('function')
-    expect(filesMFS.read).to.be.a('function')
-    expect(filesMFS.write).to.be.a('function')
-    expect(filesMFS.mv).to.be.a('function')
+    expect(files.cp).to.be.a('function')
+    expect(files.ls).to.be.a('function')
+    expect(files.mkdir).to.be.a('function')
+    expect(files.stat).to.be.a('function')
+    expect(files.rm).to.be.a('function')
+    expect(files.read).to.be.a('function')
+    expect(files.write).to.be.a('function')
+    expect(files.mv).to.be.a('function')
   })
 
   it('commands', () => {
-    const commands = require('../src/commands')(config)
+    const commands = require('../src/commands')()
 
     expect(commands).to.be.a('function')
   })
 
   it('mount', () => {
-    const mount = require('../src/mount')(config)
+    const mount = require('../src/mount')()
 
     expect(mount).to.be.a('function')
   })
-
-  it('refs', () => {
-    const refs = require('../src/refs')(config)
-
-    expect(refs).to.be.a('function')
-    expect(refs.local).to.be.a('function')
-  })
 })
diff --git a/test/utils/expect-timeout.js b/test/utils/expect-timeout.js
deleted file mode 100644
index 51c733075..000000000
--- a/test/utils/expect-timeout.js
+++ /dev/null
@@ -1,16 +0,0 @@
-'use strict'
-
-/**
- * Resolve if @param promise hangs for at least @param ms, throw otherwise
- * @param  {Promise} promise promise that you expect to hang
- * @param  {Number} ms       millis to wait
- * @return {Promise}
- */
-module.exports = (promise, ms) => {
-  return Promise.race([
-    promise.then((out) => {
-      throw new Error('Expected Promise to timeout but it was successful.')
-    }),
-    new Promise((resolve, reject) => setTimeout(resolve, ms))
-  ])
-}
diff --git a/test/utils/factory.js b/test/utils/factory.js
index aab6296fe..70f4e151c 100644
--- a/test/utils/factory.js
+++ b/test/utils/factory.js
@@ -1,5 +1,24 @@
 'use strict'
 
-const IPFSFactory = require('ipfsd-ctl')
+const { createFactory } = require('ipfsd-ctl')
+const merge = require('merge-options')
+const { isNode } = require('ipfs-utils/src/env')
 
-module.exports = IPFSFactory.create()
+const commonOptions = {
+  test: 'true',
+  type: 'go',
+  ipfsHttpModule: require('../../src')
+}
+
+const commonOverrides = {
+  go: {
+    ipfsBin: isNode ? require('go-ipfs-dep').path() : undefined
+  }
+}
+
+const factory = (options = {}, overrides = {}) => createFactory(
+  merge(commonOptions, options),
+  merge(commonOverrides, overrides)
+)
+
+module.exports = factory
diff --git a/test/utils/interface-common-factory.js b/test/utils/interface-common-factory.js
deleted file mode 100644
index ad5010080..000000000
--- a/test/utils/interface-common-factory.js
+++ /dev/null
@@ -1,49 +0,0 @@
-/* eslint-env mocha */
-'use strict'
-
-const each = require('async/each')
-const IPFSFactory = require('ipfsd-ctl')
-const ipfsClient = require('../../src')
-
-function createFactory (options) {
-  options = options || {}
-
-  options.factoryOptions = options.factoryOptions || {}
-  options.spawnOptions = options.spawnOptions || { initOptions: { bits: 1024, profile: 'test' } }
-
-  const ipfsFactory = IPFSFactory.create(options.factoryOptions)
-
-  return function createCommon () {
-    const nodes = []
-    let setup, teardown
-
-    if (options.createSetup) {
-      setup = options.createSetup({ ipfsFactory, nodes }, options)
-    } else {
-      setup = (callback) => {
-        callback(null, {
-          spawnNode (cb) {
-            ipfsFactory.spawn(options.spawnOptions, (err, _ipfsd) => {
-              if (err) {
-                return cb(err)
-              }
-
-              nodes.push(_ipfsd)
-              cb(null, ipfsClient(_ipfsd.apiAddr))
-            })
-          }
-        })
-      }
-    }
-
-    if (options.createTeardown) {
-      teardown = options.createTeardown({ ipfsFactory, nodes }, options)
-    } else {
-      teardown = callback => each(nodes, (node, cb) => node.stop(cb), callback)
-    }
-
-    return { setup, teardown }
-  }
-}
-
-exports.create = createFactory
diff --git a/test/utils/throws-async.js b/test/utils/throws-async.js
new file mode 100644
index 000000000..0d4e677fd
--- /dev/null
+++ b/test/utils/throws-async.js
@@ -0,0 +1,10 @@
+'use strict'
+
+module.exports = async fnOrPromise => {
+  try {
+    await (fnOrPromise.then ? fnOrPromise : fnOrPromise())
+  } catch (err) {
+    return err
+  }
+  throw new Error('did not throw')
+}