400.md

set	code	title	references
4	400	Bad Request	Rails HTTP Status Symbol Go HTTP Status Constant Symfony HTTP Status Constant Python2 HTTP Status Constant Python3+ HTTP Status Constant Python3.5+ HTTP Status Constant bad_request http.StatusBadRequest Response::HTTP_BAD_REQUEST httplib.BAD_REQUEST http.client.BAD_REQUEST http.HTTPStatus.BAD_REQUEST

The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

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• Source: RFC7231 Section 6.5.1