FastAPI Signatures GET / "detail":"Not Found" GET /thisshouldntexist "detail":"Not Found" Additional References https://censys.io/ipv4/report?field=443.https.tls.certificate.parsed.subject.organization.raw&max_buckets=1000&q=%22%5C%22detail%5C%22%3A%5C%22Not+Found%5C%22%22 https://fastapi.tiangolo.com/