Unfortunately, when working with multiple client accounts, you would need to send a request for each account individually. Therefore, to fetch data from an AdWords account, you would need to send a new GET request for that account. You can do so either by changing the clientCustomerId in your properties file (if you use a properties file to create an AdWords session) or updating the variable value (in case you create an AdWords session directly from associative properties, as shown in
this example). To understand what counts as an operation, please refer to
this document.