Reply To: Error 401 Home › Support › Reply To: Error 401 April 29, 2016 at 4:43 pm #1629 MishuKeymaster All of the information seems to be correct within Settings. My Client ID = 774-6221-583 Client Secret: wQ3sV9VZqfMPSOhoEregqhfX Merchant Account ID = 105032962 And of course I have added the client secret. Please advise.