HTTP - 4XX status code

About

All status code that begins with the number 4 are error code. Meaning that an error has occurred during the request and that the server may uses any of this code to send a feedback about bad request parameters for instance.

The specification calls this type of error error caused by the client and makes a distinction with the error of the server that are classified with a 5XX number.

List

Code Description
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable (send for instance when the requested media type cannot be send)
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed

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