HTTP 414 — URI Too Long

The URI provided was too long for the server to process

When to use it

Use status 414 when this is the correct HTTP response semantic: The URI provided was too long for the server to process

Request and response example

GET /protected-resource HTTP/1.1
Host: api.example.com

HTTP/1.1 414 URI Too Long
Content-Type: application/json

{"error":"Request cannot be completed"}

Related status codes

400, 401, 402, 403

References

MDN · RFC 9110