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HTTP Status Code Reference

Browse all HTTP status codes with descriptions. Search by code number, name, or description.

100
Continue
1xx Informational
The server has received the request headers and the client should proceed to send the request body.
200
OK
2xx Success
The request has succeeded.
201
Created
2xx Success
The request has been fulfilled and a new resource has been created.
204
No Content
2xx Success
The server successfully processed the request but is not returning any content.
301
Moved Permanently
3xx Redirection
The requested resource has been permanently moved to a new URI.
302
Found
3xx Redirection
The requested resource resides temporarily under a different URI.
304
Not Modified
3xx Redirection
Indicates the resource has not been modified since the version specified by the request headers.
400
Bad Request
4xx Client Error
The server cannot process the request due to a client error.
401
Unauthorized
4xx Client Error
Authentication is required and has failed or has not been provided.
403
Forbidden
4xx Client Error
The server understood the request but refuses to authorize it.
404
Not Found
4xx Client Error
The requested resource could not be found.
405
Method Not Allowed
4xx Client Error
The request method is not supported for the requested resource.
429
Too Many Requests
4xx Client Error
The user has sent too many requests in a given amount of time (rate limiting).
500
Internal Server Error
5xx Server Error
The server encountered an unexpected condition that prevented it from fulfilling the request.
502
Bad Gateway
5xx Server Error
The server was acting as a gateway and received an invalid response from the upstream server.
503
Service Unavailable
5xx Server Error
The server is currently unable to handle the request due to temporary overloading or maintenance.

Frequently Asked Questions

What are HTTP status codes?

Three-digit numbers returned by a server to indicate the result of an HTTP request. They are grouped into 5 classes: 1xx (info), 2xx (success), 3xx (redirect), 4xx (client error), 5xx (server error).

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