HTTP Status Codes

A comprehensive list of HTTP status codes with descriptions.

100

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

101

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

200

Success
OK
Standard response for successful HTTP requests.

201

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

204

Success
No Content
The server successfully processed the request and is not returning any content.

301

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

302

Redirection
Found
Tells the client to look at (browse to) another URL.

304

Redirection
Not Modified
Indicates that the resource has not been modified since the version specified by the request headers.

400

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

401

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

403

Client Error
Forbidden
The request was valid, but the server is refusing action.

404

Client Error
Not Found
The requested resource could not be found but may be available in the future.

405

Client Error
Method Not Allowed
A request method is not supported for the requested resource.

500

Server Error
Internal Server Error
A generic error message, given when an unexpected condition was encountered and no more specific message is suitable.

502

Server Error
Bad Gateway
The server was acting as a gateway or proxy and received an invalid response from the upstream server.

503

Server Error
Service Unavailable
The server is currently unavailable (because it is overloaded or down for maintenance).

504

Server Error
Gateway Timeout
The server was acting as a gateway or proxy and did not receive a timely response from the upstream server.