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
Generate a service (delegate) account ID and a JSON key file by following the linked instructions, then come back to this page.
Step 2 - Setting up the client library
Set the private key JSON file path and delegate account ID in your
configuration. If you're using an
ads.properties file, add the following: