sweetgreen for iOS - Order, pay, rewards. It's so clean, you can eat off it.
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
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 in apps with Venmo - Make purchases in apps using your Venmo account
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.