`Allow`

Methods the resource supports.

Response header (sent by servers) other

How it works

Required with 405 Method Not Allowed. Also returned to OPTIONS.

Allow: GET, HEAD, PUT

See it live: send any request in Endpoint Client and open the Headers tab, where every response header is explained. Specification: RFC 9110.

When the response was generated.

A unique key that makes retries of a non-idempotent request safe.

Typed links to related resources.

URL of a created resource or redirect target.

Software that handled the request.

Identifies the client software.