Rest API Response codes

Here are some sample Response Codes which we will normally see while performing REST API testing over POSTMAN or over any REST API client.

1) 100 Series These are temporary Responses

• 100 Continue

• 101 Switching Protocols

• 102 Processing

2) 200 Series The client accepts the Request, being processed successfully at the server.

• 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

3) 300 Series Most of the codes related to this series are for URL Redirection.

• 300 – Multiple Choices

• 301 – Moved Permanently

• 302 – Found

• 303 – Check Other

• 304 – Not Modified

• 305 – Use Proxy

• 306 – Switch Proxy

• 307 – Temporary Redirect

• 308 – Permanent Redirect

4) 400 Series These are specific to client-side error.

• 400 – Bad Request

• 401 – Unauthorised

• 402 – Payment Required

• 403 – Forbidden

• 404 – Not Found

• 405 – Method Not Allowed

• 406 – Not Acceptable

• 407 – Proxy Authentication Required

• 408 – 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

• 426 – Upgrade Required

• 428 – Precondition Required

• 429 – Too Many Requests

• 431 – Request Header Fields Too Large

• 451 – Unavailable For Legal Reasons

5) 500 Series These are specific to the server-side error.

• 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

• 510 – Not Extended

• 511 – Network Authentication Required