5×× Server Error 503 Service Unavailable The server is currently unable to handle the request due to a temporary overload or scheduled...
5×× Server Error 502 Bad Gateway The server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed...
5×× Server Error 501 Not Implemented The server does not support the functionality required to fulfill the request. This is the appropriate...
5×× Server Error 500 Internal Server Error The server encountered an unexpected condition that prevented it from fulfilling the request....
4×× Client Error 499 Client Closed Request A non-standard status code introduced by nginx for the case when a client closes the connection while...
4×× Client Error 451 Unavailable For Legal Reasons The server is denying access to the resource as a consequence of a legal demand. The server...
4×× Client Error 444 Connection Closed Without Response A non-standard status code used to instruct nginx to close the connection without...
4×× Client Error 431 Request Header Fields Too Large The server is unwilling to process the request because its header fields are too large. The...
4×× Client Error 429 Too Many Requests The user has sent too many requests in a given amount of time ("rate limiting"). The response...
4×× Client Error 428 Precondition Required The origin server requires the request to be conditional. Its typical use is to avoid the "lost...
4×× Client Error 426 Upgrade Required The server refuses to perform the request using the current protocol but might be willing to do so after...
4×× Client Error 424 Failed Dependency The method could not be performed on the resource because the requested action depended on another action...
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...
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