A 403 “Permission Denied” error in the Google Ads API occurs due to:
Missing API Access Approval:
Ensure your Google Ads API access is approved in the Google API Center.
OAuth Token Issues:
Verify that your OAuth2 credentials (client ID & secret) are correctly configured.
Use the correct scope: https://www.googleapis.com/auth/adwords.
Incorrect Google Ads Account Setup:
Confirm your Google Ads account is linked to your API project.
Use a Google Ads Manager Account if accessing multiple accounts.
Check Google Cloud IAM roles, API settings, and OAuth credentials.
