Unprocessable Entity

Client Error

The request was well-formed but contains semantic errors

Used for validation errors; request syntax is correct but data is invalid

How this status code appears in HTTP responses

HTTP Response Header

HTTP/1.1 422 Unprocessable Entity

cURL Example

curl -I https://example.com
# Returns: HTTP/1.1 422 Unprocessable Entity

This is a client error response indicating the request contains bad syntax or cannot be fulfilled.

Other codes in the same category

The server cannot process the request due to client error

Authentication is required and has failed or has not been provided

Reserved for future use in digital payment systems