HTTP - Status Code

1 - About

The status code is the exit code of request returned to the client via the first line of a response.

For example:

  • a file not found error is a 404 code,
  • a server error is equivalent to a 5xx code.

3 - Cheatsheet

HTTP status When to use
200 to 299, inclusive A successful response or ok status.
301 / 302 The page has moved to a new URL - a redirection (301, 302, 303, 307, or 308)
4xx - an error caused by the processing of the request (request processing error)
401 / 403 The page is unavailable due to permission issues.
404 / 410 The page is no longer available.
5xx Something went wrong on the server side (server error).
xxx Other protocols based on HTTP can define additional status codes.

A null body status is a status that is 101, 204, 205, or 304.

A status is an integer in the range 0 to 999, inclusive.

The full list of possible status codes can be found in the HTTP specification (RFC 2616 section 10).

4 - Check Provider

5 - Documentation / Reference


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