431
⚠️ Client Error RFC 6585

Request Header Fields Too Large

The server is unwilling to process the request because its header fields are too large.

Common Use

Occurs with too many cookies, large authentication tokens, or excessive custom headers. May indicate a header size limit was reached.

API Endpoint

https://codes.uncodigo.com/http/431

Example with curl

curl -i https://codes.uncodigo.com/http/431

Try It

GET /http/431
Click "Send Request" to see the response...

Related Codes