The HyperText Transfer Protocol (HTTP)
405 Method Not Allowed response status code indicates that the request method is known by the server but is not supported by the target resource.
The server MUST generate an
Allow header field in a 405 response containing a list of the target resource's currently supported methods.
405 Method Not Allowed
|RFC 7231, section 6.5.5: 405 Method Not Allowed||Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content|