This support page provides several support contacts.
Business Profile APIs team
Contact the Business Profile support team for technical support.
Answers to non-API questions about Business Profile can be found in the Business Profile Help Center.
Business Profile community
Visit the Business Profile forum for discussions with developers and members of the Business Profile community. To ensure that your questions are quickly addressed, preface the title of your post with "[API]".
Tutorials and FAQ
Visit the Business Profile Help Center for tutorials on how to use Business Profile APIs and answers to frequently asked questions.
For information on how your Business Profile account syncs with Google Ads, see Location extensions.
For general information and to learn more about the Google Ads API, visit the Google Ads API developer site or the Google Ads API forum.