Error-Messages
Error 400 - Bad Request
One of the request parameters may be invalid.
Error 401 - Unauthorized
Session expired.
Error 404 - Not Found
The syntax of your request may be incorrect/incomplete. For instance, some of the request parameters may be missing.
Error 405 - Method Not Allowed
The request method is not supported by the resource.
Error 500 - Internal Server Error
Generic error message, given when no more specific error message is available.