List of HTTP Response Status Codes

This is a list of the Hypertext Transfer Protocol (HTTP) response status codes. HTTP status codes are sent by a server or commonly when you call an API.

10 Most Common HTTP Response Status Codes

200 OK
201 Created
204 No Content
400 Bad Request
401 Unauthorized
403 Forbidden
404 Not Found
405 Method Not Allowed
409 Conflict
500 Internal Server Error

HTTP Response Status Code List

1xx Informational Response

These HTTP status codes indicate that the request was received and understood. The 1xx response is on a provisional basis with the message consisting only of the status line and optional header fields, and is terminated by an empty line.

100 Continue

101 Switching Protocols

102 Processing

103 Early Hints

2xx Success

These HTTP Status codes indicate that the action requested by the client was received, understood, and accepted.

200 OK

201 Created

202 Accepted

203 Non-Authoritative Information

204 No Content

205 Reset Content

206 Partial Content

207 Multi-Status

208 Already Reported

226 IM Used

3XX Redirection

These HTTP status codes indicate that the client must take additional action to complete the request.

300 Multiple Choices

301 Moved Permanently

302 Found

303 See Other

304 Not Modified

305 Use Proxy

306 Switch Proxy

307 Temporary Redirect

308 Permanent Redirect

4xx Client Errors

These HTTP status codes indicate errors caused by the client. Often, these status codes contain an explanation of the error situation.

400 Bad Request

401 Unauthorized

402 Payment Required

403 Forbidden

404 Not Found

405 Method Not Allowed

406 Not Acceptable

407 Proxy Authentication Required

409 Request Timeout

409 Conflict

410 Gone

411 Length Required

412 Precondition Failed

413 Payload too Large

414 URI Too Long

415 Unsupported Media Type

416 Range Not Satisfiable

417 Expectation Failed

418 I’m a teapot

421 Misdirected Request

422 Unprocessable Entity

423 Locked

424 Failed Dependency

425 Too Early

426 Upgrade Required

428 Precondition Required

429 Too Many Requests

431 Request Header Fields Too Large

444 No Response (nginx)

451 Unavailable for Legal Reasons

494 Request Header too Large (nginx)

495 SSL Certificate Error (nginx)

497 HTTP Request Sent to HTTPS Port

499 Client Closed Request

5xx Server Errors

These HTTP Response codes indicate that the server failed to fulfill a request.

500 Internal Server Error

501 Not Implemented

502 Bad Gateway

503 Service Unavailable

504 Gateway Timeout

505 HTTP Version Not Supported

506 Variant Also Negotiates

507 Insufficient Storage

508 Loop Detected

509 Bandwidth Limit Exceeded (Apache)

510 Not Extended

511 Network Authentication Required

598 Network Read Timeout Error

599 Network Connect Timeout Error