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HTTP Status Code Lookup

Search HTTP response codes by number, category, and meaning.

HTTP Status Code Lookup
100
Continue
Informational

The server received the request headers and the client should continue.

101
Switching Protocols
Informational

The server is switching protocols as requested.

200
OK
Success

The request succeeded.

201
Created
Success

The request succeeded and created a new resource.

202
Accepted
Success

The request was accepted but has not finished processing.

204
No Content
Success

The request succeeded with no response body.

301
Moved Permanently
Redirection

The resource has permanently moved to a new URL.

302
Found
Redirection

The resource is temporarily available at another URL.

304
Not Modified
Redirection

The cached response is still valid.

400
Bad Request
Client error

The server could not understand the request.

401
Unauthorized
Client error

Authentication is required or failed.

403
Forbidden
Client error

The server understood the request but refuses it.

404
Not Found
Client error

The requested resource does not exist.

405
Method Not Allowed
Client error

The HTTP method is not supported for this resource.

409
Conflict
Client error

The request conflicts with current server state.

410
Gone
Client error

The resource is no longer available.

418
I'm a Teapot
Client error

A playful status from the HTCPCP specification.

422
Unprocessable Content
Client error

The request is syntactically valid but semantically invalid.

429
Too Many Requests
Client error

The client sent too many requests in a given time.

500
Internal Server Error
Server error

The server hit an unexpected condition.

501
Not Implemented
Server error

The server does not support the requested functionality.

502
Bad Gateway
Server error

An upstream server returned an invalid response.

503
Service Unavailable
Server error

The server is temporarily unavailable.

504
Gateway Timeout
Server error

An upstream server did not respond in time.