Re: Can't authenticate - "customer not found"

Hi Karlis, The sandbox creates five customer ids when you activate it; the one displayed in your AdWords account is for the live API, not the sandbox. You need to remove the clientId altogether for your first call to the API, then either use the ManagedCustomerService

Can't authenticate - "customer not found"

Hi! I have problems with authenticating. I am using the Python library (v201206). I created the auth file and I get the following error when trying to run get_campaings (which should set up my sandbox account, according to docs): {'data': : {'ApiExceptionFault': : {'ApplicationException.Type':