Google Payment API - Enable an easy-to-use checkout experience for customers
TillyPay - Recurring & single payment links, powered by Stripe.
ACH payments with Stripe - Accept bank payments with a few lines of code.
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!
AirPay - Integrate all payment channels via one single API
PayRequest - SImple Fast Payment Links