--- Uber Auth Diagnostic ---
Client ID: DVinr...
Environment: sandbox

Testing [Production (login)]: https://login.uber.com/oauth/v2/token
  -> HTTP Status: 401
  -> Error: unauthorized_client
     Desc: the current application environment is mismatched with the OAuth server runtime environment

Testing [Production (auth)]: https://auth.uber.com/oauth/v2/token
  -> HTTP Status: 401
  -> Error: unauthorized_client
     Desc: the current application environment is mismatched with the OAuth server runtime environment

Testing [Sandbox (auth)]: https://sandbox-auth.uber.com/oauth/v2/token
  -> Connection Failed: Could not resolve host: sandbox-auth.uber.com

Testing [Sandbox (login)]: https://sandbox-login.uber.com/oauth/v2/token
  -> HTTP Status: 200
  -> SUCCESS! Access Token received.