Stripe iOS SDK - Accept both Apple Pay and credit card payments easily on iOS
Lydia Watch - Pay for things with one tap on your Apple Watch
Lendflow API - The Lendflow API allows you to embed lending services into your product so you can increase engagement, improve retention and expand revenue per user.
Pay Finders - Discover and explore local merchants that accept Apple Pay
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Vue Storefront - Open Source PWA for any eCommerce