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.
Stripe iOS SDK - Accept both Apple Pay and credit card payments easily on iOS
PayPal.Me - Request money using your own personalized URL.
Lendflow API - The Lendflow API allows you to embed lending services into your product so you can increase engagement, improve retention and expand revenue per user.
Bonsai - One platform to streamline your entire business
Payzo - Accept credit cards with zero coding (for freelancers)