411
⚠️ Client Error RFC 9110, Section 15.5.12

Length Required

The server refuses to accept the request without a defined Content-Length.

Common Use

Rare in modern APIs. Some servers require Content-Length instead of chunked transfer encoding for certain operations.

API Endpoint

https://codes.uncodigo.com/http/411

Example with curl

curl -i https://codes.uncodigo.com/http/411

Try It

GET /http/411
Click "Send Request" to see the response...