HTTP Reference

HTTP 401 Unauthorized

Authentication is required or credentials are invalid.

Common Causes

  • Missing Authorization header.
  • Expired bearer token.
  • Invalid API key.

Debugging Notes

  • Check token expiry and signing environment.
  • Verify auth middleware ordering in the request pipeline.

Example Response

{
  "status": 401,
  "error": "Unauthorized",
  "message": "Token expired"
}