Wirize - Payment checkout for freelancers
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.
ACH payments with Stripe - Accept bank payments with a few lines of code.
SuperPay - Get paid faster with your own custom payments page
Giftbit Payment API - Stripe for gift cards
Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.