Flutterwave - 1 API for ACH, card and mobile money payments across Africa

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.

Razorpay International Payments - Easiest way to accept payments in 100 currencies 🇮🇳

Union54 - Debit card issuing API for Africa

MangoPay - End-to-end technology for marketplaces and crowdfunding

Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.