HTTP 405 Method Not Allowed

The target resource exists but does not support the request method.

Use 405 and include an Allow header listing the methods supported by the resource.

httpstatus codemethodsrouting

Response (http)

HTTP/1.1 405 Method Not Allowed

Use 405 and include an Allow header listing the methods supported by the resource.

Common mistakes

Omitting the Allow header that lists which methods the target resource actually supports.

Registry reference: RFC9110, Section 15.5.6

Sources