CurrencyStack - A free modern currency data API for fintech apps.

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.

Setu - Setu’s APIs and software is used by hundreds of businesses from startups to large enterprises to reimagine onboarding, payments, deposits, lending and data empowerment for their end customers.We’re hiring across the board!

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

The Brex API - Brex credit cards and business accounts help startups scale fast, and Brex’s API can make you even faster.

Bonsai Payments - Simple invoicing & payments for small businesses and freelancers. Collect instant payments or set up recurring payments. Get paid via credit card or bank deposit in 100+ currencies.