PayPal JavaScript SDK system valid from 2019.
https://developer.paypal.com/docs/checkout/
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Get access to data on 2,727,094 websites that are PayPal JavaScript SDK Customers. We know of 1,346,195 live websites using PayPal JavaScript SDK and an additional 1,380,899 sites that used PayPal JavaScript SDK historically and 782,610 websites in the United States.
Get a list of 2,727,094 websites using PayPal JavaScript SDK which includes location information, hosting data, contact details, 1,346,195 currently live websites and an additional 1,187,257 domains that redirect to sites in this list. 1,380,899 sites that used this technology previouslyand 782,610 websites in the United States currently using PayPal JavaScript SDK.
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