HTTP Status Codes

1xx Informational

100 Continue

The server has received the request headers and the client should proceed to send the request body.

101 Switching Protocols

The requester has asked the server to switch protocols and the server has agreed to do so.

102 Processing

A WebDAV request may contain many sub-requests involving file operations, requiring a long time to complete.

2xx Success

200 OK

Standard response for successful HTTP requests.

201 Created

The request has been fulfilled, resulting in the creation of a new resource.

202 Accepted

The request has been accepted for processing, but the processing has not been completed.

204 No Content

The server has successfully fulfilled the request and there is no content to send in the response payload.

206 Partial Content

The server is delivering only part of the resource due to a range header sent by the client.

3xx Redirection

301 Moved Permanently

This and all future requests should be directed to the given URI.

302 Found

The resource was found, but at a different URI temporarily.

304 Not Modified

The resource has not been modified since the version specified by the request headers If-Modified-Since or If-None-Match.

307 Temporary Redirect

The request should be repeated with another URI; however, future requests should still use the original URI.

308 Permanent Redirect

The request and all future requests should be repeated using another URI. 307 (Temporary Redirect) is preferred for temporary changes.

4xx Client Error

400 Bad Request

The server cannot or will not process the request due to an apparent client error.

401 Unauthorized

Authentication is required and has failed or has not yet been provided.

403 Forbidden

The request contained valid data and was understood by the server, but the server is refusing action.

404 Not Found

The requested resource could not be found but may be available in the future.

405 Method Not Allowed

The method specified in the request line is known by the server but has been disabled and cannot be used.

408 Request Timeout

The server did not receive a complete request message within the time that it 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 target resource is no longer available at the origin server and that this condition is likely to be permanent.

413 Payload Too Large

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

415 Unsupported Media Type

The origin server is refusing to service the request because the payload's media type is not supported by this method on the target resource.

422 Unprocessable Entity

The server understands the content type of the request entity and the syntax of the request entity is correct, but was unable to process the contained instructions.

429 Too Many Requests

The user has sent too many requests in a given amount of time.

5xx Server Error

500 Internal Server Error

A generic error message, given when an unexpected condition was encountered.

501 Not Implemented

The server does not support the functionality required to fulfill the request.

502 Bad Gateway

The server was acting as a gateway or proxy and received an invalid response.

503 Service Unavailable

The server cannot handle the request (overloaded or down for maintenance).

504 Gateway Timeout

The server was acting as a gateway or proxy and did not receive a timely response.

505 HTTP Version Not Supported

The server does not support the HTTP protocol version used in the request.