Wix Stores: Understanding Customer Checkout with PayPal | Help Center | Wix.com
Solved: I want to add Paypal smart payment buttons - Shopify Community
PayPal Checkout (Smart Buttons) set up for Ecommerce Templates shopping cart software
Paypal Smart button on Checkout page to replace the default paypal button? (Basically just to change appearance) - Customize with code - Squarespace Forum
PayPal Checkout can now be personalized to each shopper | TechCrunch
Adding PayPal Express button on a custom page - WebToffee