500 Server Internal Error The server could not fulfill the request due to some unexpected condition.[1]:ยง21.5.1 501 Not Implemented The server does not have the ability to fulfill the request, such as because it does not recognize the request method.…
400 Bad Request The request could not be understood due to malformed syntax. 401 Unauthorized The request requires user authentication. This response is issued by UASs and registrars. 402 Payment Required Reserved for future use. 403 Forbidden The server understood…