4×× Client Error 423 Locked The source or destination resource of a method is locked. This response SHOULD contain an appropriate precondition...
4×× Client Error 422 Unprocessable Entity The server understands the content type of the request entity (hence a 415 Unsupported Media Type...
4×× Client Error 421 Misdirected Request The request was directed at a server that is not able to produce a response. This can be sent by a...
4×× Client Error 418 I'm a teapot Any attempt to brew coffee with a teapot should result in the error code "418 I'm a teapot". The resulting...
4×× Client Error 417 Expectation Failed The expectation given in the request's Expect header field1 could not be met by at least one of the...
4×× Client Error 416 Requested Range Not Satisfiable None of the ranges in the request's Range header field1 overlap the current extent of the...
4×× Client Error 415 Unsupported Media Type The origin server is refusing to service the request because the payload is in a format not...
4×× Client Error 414 Request-URI Too Long The server is refusing to service the request because the request-target1 is longer than the server is...
4×× Client Error 413 Payload Too Large The server is refusing to process a request because the request payload is larger than the server is...
4×× Client Error 412 Precondition Failed One or more conditions given in the request header fields evaluated to false when tested on the server....
4×× Client Error 410 Gone The target resource is no longer available at the origin server and that this condition is likely to be permanent. If...
4×× Client Error 409 Conflict The request could not be completed due to a conflict with the current state of the target resource. This code is...
4×× Client Error 408 Request Timeout The server did not receive a complete request message within the time that it was prepared to wait. A...
4×× Client Error 407 Proxy Authentication Required Similar to 401 Unauthorized, but it indicates that the client needs to authenticate itself in...
4×× Client Error 406 Not Acceptable The target resource does not have a current representation that would be acceptable to the user agent,...
4×× Client Error 405 Method Not Allowed The method received in the request-line is known by the origin server but not supported by the target...
4×× Client Error 404 Not Found The origin server did not find a current representation for the target resource or is not willing to disclose...
4×× Client Error 403 Forbidden The server understood the request but refuses to authorize it. A server that wishes to make public why the...
4×× Client Error 402 Payment Required Reserved for future use. Source: RFC7231 Section 6.5.2 402 Code References Rails HTTP Status Symbol...
4×× Client Error 401 Unauthorized The request has not been applied because it lacks valid authentication credentials for the target resource....
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