422 Unprocessable Content

HTTP/1.1 422 Unprocessable Content
Date: Tue, 07 Oct 2025 09:30:00 GMT
Server: nginx
Content-Type: application/problem+json

{
  "type": "about:blank",
  "title": "Unprocessable Content",
  "status": 422,
  "errors": [
    {
      "field": "email",
      "message": "must be a valid email address"
    }
  ]
}