HTTP Status Codes

Quick reference for all HTTP status codes with descriptions.

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1xx Informational

100

Continue

Server received request headers; client should proceed to send body.

101

Switching Protocols

Server is switching protocols as requested by client.

102

Processing

Server has received and is processing the request.

103

Early Hints

Send preliminary response headers before final response.

2xx Success

200

Request succeeded. The standard response for successful requests.

201

Created

Request succeeded and a new resource was created.

202

Accepted

Request accepted for processing, but not yet completed.

204

No Content

Request succeeded but no content to return.

206

Partial Content

Server is delivering part of the resource due to range header.

3xx Redirection

301

Moved Permanently

Resource has been permanently moved to a new URL.

302

Found

Resource temporarily resides at a different URL.

303

See Other

Response can be found at another URL using GET.

304

Not Modified

Resource has not been modified since last request (caching).

307

Temporary Redirect

Request should be repeated with another URL; method preserved.

308

Permanent Redirect

Resource permanently moved; method and body preserved.

4xx Client Error

400

Bad Request

Server cannot process the request due to client error.

401

Unauthorized

Authentication is required and has failed or not been provided.

403

Forbidden

Server understood request but refuses to authorize it.

404

Not Found

Requested resource could not be found on the server.

405

Method Not Allowed

Request method is not supported for the requested resource.

408

Request Timeout

Server timed out waiting for the request.

409

Conflict

Request conflicts with current state of the server.

410

Gone

Resource is no longer available and will not be available again.

413

Payload Too Large

Request entity is larger than limits defined by server.

415

Unsupported Media Type

Media format of the request data is not supported.

418

I'm a Teapot

Server refuses to brew coffee because it is a teapot (RFC 2324).

422

Unprocessable Entity

Request is well-formed but semantically erroneous.

429

Too Many Requests

User has sent too many requests in a given time (rate limiting).

5xx Server Error

500

Internal Server Error

Generic server error. Something went wrong on the server.

501

Not Implemented

Server does not support the functionality required.

502

Bad Gateway

Server received an invalid response from upstream server.

503

Service Unavailable

Server is temporarily unable to handle the request.

504

Gateway Timeout

Server did not receive a timely response from upstream.

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