HTTP Status Messages

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Hypertext Transfer Protocol (HTTP)

In the Internet suite of protocols, the protocol that is used to transfer and display hypertext documents.

The users may get an error while sending a request to a server. Here you can find the list of Hypertext Transfer Protocol (HTTP) response status codes. These codes are used to respond to the request of the client made to the server.

Status Code Name Notes
1xx: Information 100 Continue The client should continue to send request body.
101 Switching Protocols The server to change protocols.
103 Checkpoint The resumable requests proposal to resume aborted PUT or POST requests.
2xx: Successful 200 OK Everything is normal
201 Created The request has been fulfilled and a new resource is create.
202 Accepted The request has been accepted for processing, but the processing is going on.
203 Non-Authoritative Information The request has been successfully processed, but it is returning information which may be from another source.
204 No Content The request has been successfully processed, but it is not giving any content.
205 Reset Content The requester reset the document view.
206 Partial Content The server commits only a part of the resource, because of a range header, which was sent by the client.
3xx: Redirection 300 Multiple Choices The user can select a link and go there. It can contain maximum five addresses.
301 Moved Permanently Update your URL, this has moved for good.
302 Found The requested page has been moved to a new URL temporarily.
303 See Other The requested page can be found in another URL.
304 Not Modified The requested page hasn't been modified since the last request.
305 Use Proxy Use Proxy for access.
306 Unused Is not used anymore.
307 Temporary Redirect This is temporarly moved, don't update your bookmarks.
4xx: Client Error 400 Bad Request Server didn't understand the URL you gave it.
401 Unauthorized Must be authenticated
402 Payment Required Not used really
403 Forbidden Server refuses to give you a file, authentication won't help
404 Not Found A file doesn't exist at that address
405 Method Not Allowed The request was made of a page that uses an unsupported request method for that page.
406 Not Acceptable The server can only generate an answer which the client doesn't accept.
407 Proxy Authentication Required The client first authenticate itself with the proxy.
408 Request Timeout Browser took too long to request something
409 Conflict The request cannot be completed, because of a conflict in the request.
410 Gone The requested page is not available anymore.
411 Lengh Required The content length is not defined and the server won't accept the request without it.
412 Precondition Failed The request, is evaluated to false by the server.
413 Reqeust Entity Too Large The request entity is too large and that's why the server won't accept the request.
414 Request-URI Too Long The URL is too long and that's why the server won't accept the request. It happens when you convert a POST request to a GET request with a long query information.
415 Unsupported Media Type The server won't accept the request.
416 Request Range Not Satisfiable The client asked for a part of the file but the server cannot supply that part.
417 Expectation Failed The requirements of the expected request header field.
5xx: Server Error 500 Internal Server Error Something on the server didn't work right.
501 Not Implemented The request method or it lacks the ability to fulfill the request.
502 Bad Gateway A gateway or proxy and it received an invalid answer from the upstream server.
503 Service Unavailable Too busy to respond to a client
504 Gateway Timeout A gateway or proxy and it didn't get answer on time from the upstream server.
505 HTTP Version Not Supported HTTP protocol version is not supported by the server.
511 Network Authentication Required The client needs to authenticate to gain network access.
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