Payment Rails Payout API - Send business payments to any country in any currency.
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.
TrueLayer - Simple Bank APIs to access real-time financial data
Stripe Elements - Beautiful, smart checkout flows 💳💸
Teller API - A single API to connect your app with any bank's account
MangoPay - End-to-end technology for marketplaces and crowdfunding