diff --git a/day-04/promise/postOneEmployeebyOguz.js b/day-04/promise/postOneEmployeebyOguz.js
new file mode 100644
index 0000000..9cf240f
--- /dev/null
+++ b/day-04/promise/postOneEmployeebyOguz.js
@@ -0,0 +1,14 @@
+import fetch from "node-fetch";
+
+const url = "http://localhost:8080/api/employees/add";
+const body = { firstName: "Oğuz", lastName: "Bilgin" };
+
+const response = await fetch(url, {
+  method: "POST",
+  body: JSON.stringify(body),
+  headers: {
+    "Content-Type": "application/json",
+  },
+}).then((resp) => resp.json());
+
+console.log(response);