100

Continue

101

Switching Protocols

200 OK

Request has succeeded

201 Created

Request fulfilled and new resource being created

202 Accepted

Request accepted for processing, but processing not completed.

203 Non-Authoritative Information

The returned metainformation in the entity-header is not the definitive set as available from the origin server, but is gathered from a local or a third-party copy.

204 No Content

The server has fulfilled the request but does not need to return an entity-body, and might want to return updated metainformation.

205 Reset Content

The server has fulfilled the request and the user agent should reset the document view which caused the request to be sent.

206 Partial Content

The server has fulfilled the partial GET request for the resource.

300 Multiple Choices

The requested resource corresponds to any one of a set of representations, each with its own specific location, and agent-driven negotiation information (section 12) is being provided so that the user (or user agent) can select a preferred representation and redirect its request to that location.

301 Moved Permanently

The requested resource has been assigned a new permanent URI and any future references to this resource should use one of the returned URIs.

302 Found

The requested resource resides temporarily under a different URI.

303 See Other

The response to the request can be found under a different URI and should be retrieved using a GET method on that resource.

304 Not Modified

If the client has performed a conditional GET request and access is allowed, but the document has not been modified, the server should respond with this status code.

305 Use Proxy

The requested resource MUST be accessed through the proxy given by the Location field.

306 Unused

Unused.

307 Temporary Redirect

The requested resource resides temporarily under a different URI.

400 Bad Request

The request could not be understood by the server due to malformed syntax.

401 Unauthorized

The request requires user authentication. The response MUST include a WWW-Authenticate header field (section 14.47) containing a challenge applicable to the requested resource.

402 Payment Required

This code is reserved for future use.

403 Forbidden

The server understood the request, but is refusing to fulfill it.

404 Not Found

The server has not found anything matching the Request-URI.

405 Method Not Allowed

The method specified in the Request-Line is not allowed for the resource identified by the Request-URI.

406 Not Acceptable

The resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request.

407 Proxy Authentication Required

This code is similar to 401 (Unauthorized), but indicates that the client must first authenticate itself with the proxy.

408 Request Timeout

The client did not produce a request within the time that the server was prepared to wait.

409 Conflict

The request could not be completed due to a conflict with the current state of the resource.

410 Gone

The requested resource is no longer available at the server and no forwarding address is known.

411 Length Required

The server refuses to accept the request without a defined Content-Length.

412 Precondition Failed

The precondition given in one or more of the request-header fields evaluated to false when it was tested on the server.

413 Request Entity Too Large

The server is refusing to process a request because the request entity is larger than the server is willing or able to process.

414 Request-URI Too Long

The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret.

415 Unsupported Media Type

The server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method.

416 Requested Range Not Satisfiable

A server should return a response with this status code if a request included a Range request-header field (section 14.35), and none of the range-specifier values in this field overlap the current extent of the selected resource, and the request did not include an If-Range request-header field.

417 Expectation Failed

The expectation given in an Expect request-header field (see section 14.20) could not be met by this server, or, if the server is a proxy, the server has unambiguous evidence that the request could not be met by the next-hop server.

500 Internal Server Error

The server encountered an unexpected condition which prevented it from fulfilling the request.

501 Not Implemented

The server does not support the functionality required to fulfill the request. This is the appropriate response when the server does not recognize the request method and is not capable of supporting it for any resource.

502 Bad Gateway

The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.

503 Service Unavailable

The server is currently unable to handle the request due to a temporary overloading or maintenance of the server.

504 Gateway Timeout

The server, while acting as a gateway or proxy, did not receive a timely response from the upstream server specified by the URI (e.g., HTTP, FTP, LDAP) or some other auxiliary server (e.g., DNS) it needed to access in attempting to complete the request.

505 HTTP Version Not Supported

The server does not support, or refuses to support, the HTTP protocol version that was used in the request message.