Google Pay API for easy payments.
https://payments.google.com/solutions/onboarding/
Payment · Payments Processor
Get access to data on 42,530 websites that are Google Pay Customers. We know of 22,461 live websites using Google Pay and an additional 20,069 sites that used Google Pay historically and 17,643 websites in the United States.
Get a list of 42,530 websites using Google Pay which includes location information, hosting data, contact details, 22,461 currently live websites and an additional 14,946 domains that redirect to sites in this list. 20,069 sites that used this technology previously and 17,643 websites in the United States currently using Google Pay.