API access using own credentials (server to server flow)
This guide will walk you through how to setup OAuth2 for API access using your own credentials using server to server flow. These steps only need to be done once, unless you revoke or delete your OAuth2 credentials.
Step 1 - Creating OAuth2 credentials
Follow the steps for the product you're using to generate a *service account ID and a JSON key file, then come back to this page.
If you're an AdWords user, please note that this flow requires a Google Apps Domain.
Step 2 - Setting up the client library
ads.properties file, set the full path to your JSON key file, and the
email address of the user to impersonate:
ads.properties file, set the full path to your JSON key file: