HTTP 507 — Insufficient Storage

The server is unable to store the representation needed to complete the request

When to use it

Use status 507 when this is the correct HTTP response semantic: The server is unable to store the representation needed to complete the request

Request and response example

GET /service HTTP/1.1
Host: api.example.com

HTTP/1.1 507 Insufficient Storage
Content-Type: application/json

{"error":"Service failed to process the request"}

Related status codes

500, 501, 502, 503

References

MDN · RFC 9110