# Returned Value

- Normal

  Returned Value | Description
  --- | ---
  200 | The task is submitted successfully.
  201 | Resource creation succeeds.

- Abnormal

  Returned Value | Description
  --- | ---
  400 Bad Request | Incorrect request parameters.
  401 Unauthorized | Authentication failed.
  403 Forbidden | No permission to access the requested resource.
  404 Not Found | The requested resource does not exist.
  500 Internal Server Error | The request fails because the server is abnormal.
  501 Not Implemented | The request fails because the server does not support the requested function.
  502 Bad Gateway | The request fails because the returned response is invalid.
  503 Service Unavailable | The request fails because the system is abnormal.
  504 Gateway Timeout | Gateway times out.

Parent topic: General Request Return Code