Google has announced that the Google Ads API v15 will sunset on September 25, 2024. After this date, all API requests using v15 will fail.
To avoid disruptions, users must migrate to a newer version before the deadline. Google provides resources for the migration process, including upgrade guides and release notes.
Users can also review their API usage history via the Google Cloud Console to ensure a smooth transition.
Read the full and official update here: Google Ads API v15 sunset reminder