// REFERENCE
422 Unprocessable Content
Class: 4xx
The syntax is fine but the data fails semantic validation (e.g. an email in an invalid format). Widely used by REST APIs for validation errors.
Related tools
Work with this in:
Related
400
400 Bad Request 401
401 Unauthorized (not authenticated) 403
403 Forbidden (access denied) 404
404 Not Found 405
405 Method Not Allowed 406
406 Not Acceptable
400 Bad Request 401
401 Unauthorized (not authenticated) 403
403 Forbidden (access denied) 404
404 Not Found 405
405 Method Not Allowed 406
406 Not Acceptable
Semantics per RFC 9110 and the IANA status code registry. Educational content.