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.
Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.
Stripe Atlas - The best way to start an internet business
PayRequest - SImple Fast Payment Links
PaymentSpring - The all-in-one, developer-driven payment gateway
Gust Launch - Legal, banking and accounting solution for startups