Lydia Watch - Pay for things with one tap on your Apple Watch
Stripe: Apple Pay - One-touch payment on iOS
sweetgreen for iOS - Order, pay, rewards. It's so clean, you can eat off it.
Vue Storefront - Open Source PWA for any eCommerce
Apple Pay - Apple's secure way to make purchases in stores, apps and on the web.
Sign2Pay - Secure mobile payments with your signature.