Lydia Watch - Pay for things with one tap on your Apple Watch
Stripe iOS SDK - Accept both Apple Pay and credit card payments easily on iOS
Pay Finders - Discover and explore local merchants that accept Apple Pay
The Brex API - Brex credit cards and business accounts help startups scale fast, and Brex’s API can make you even faster.
Vue Storefront - Open Source PWA for any eCommerce
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.