405
Method Not Allowed
Client errors (4xx)·RFC 9110
What 405 means
The HTTP method is known but not supported for this resource.
For example, sending POST to a read-only endpoint. The Allow header lists the methods that are permitted.
Client errors (4xx)
The request contains an error from the client — bad syntax, missing auth or a wrong URL.
Other 4xx codes
400Bad Request401Unauthorized402Payment Required403Forbidden404Not Found406Not Acceptable407Proxy Authentication Required408Request Timeout409Conflict410Gone411Length Required412Precondition Failed413Content Too Large414URI Too Long415Unsupported Media Type416Range Not Satisfiable417Expectation Failed418I'm a teapot421Misdirected Request422Unprocessable Content423Locked424Failed Dependency425Too Early426Upgrade Required428Precondition Required429Too Many Requests431Request Header Fields Too Large451Unavailable For Legal Reasons
FAQ — 405
What does HTTP 405 mean?
405 Method Not Allowed: The HTTP method is known but not supported for this resource. For example, sending POST to a read-only endpoint. The Allow header lists the methods that are permitted.
Which class does status code 405 belong to?
405 is a Client errors (4xx) code. The request contains an error from the client — bad syntax, missing auth or a wrong URL.
Where is the 405 code defined?
Status code 405 is defined in RFC 9110 and is part of the IANA HTTP Status Code Registry.