TillyPay - Recurring & single payment links, powered by Stripe.
Google Payment API - Enable an easy-to-use checkout experience for customers
YouPay - The wishlist for everyone Life's too short for bad gifts. Share what you want, and let someone else pay, without sharing your personal details. Plus, it's absolutely FREE!
ACH payments with Stripe - Accept bank payments with a few lines of code.
PayRequest - SImple Fast Payment Links
AirPay - Integrate all payment channels via one single API