PayPal JavaScript SDK system valid from 2019.
https://developer.paypal.com/docs/checkout/
Payment
Get access to data on 2,733,243 websites that are PayPal JavaScript SDK Customers. We know of 1,095,963 live websites using PayPal JavaScript SDK and an additional 1,637,280 sites that used PayPal JavaScript SDK historically and 618,037 websites in the United States.
Get a list of 2,733,243 websites using PayPal JavaScript SDK which includes location information, hosting data, contact details, 1,095,963 currently live websites and an additional 1,104,079 domains that redirect to sites in this list. 1,637,280 sites that used this technology previouslyand 618,037 websites in the United States currently using PayPal JavaScript SDK.
Countries
Financial
Group
Region