

Hi,
Thank you for reaching out to us.
With regard to your concern to match rate, we recommend reaching out to the Product support team (via this link (https://support.google.com/google-ads/gethelp) to assist you further on your concern and questions. Kindly note that, it usually takes up to 48 hours to correctly process your Customer Match data. Check back after 48 hours. Since you've mentioned that you're able upload Segments successfully then there shouldn't be any issues in the API. In the API perspective, kindly check the Customer Match consideration (https://developers.google.com/google-ads/api/docs/remarketing/audience-types/customer-match#customer_match_considerations) When implementing Customer Match.
Kindly note, that this concern is out of scope of our team. For this type of concern in the future, please use this link (https://developers.google.com/google-ads/api/support) to file your issue directly.
Regards,
![]() |
Google Ads API Team |