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.
AppToolkit SDK - Find your super users and engage with them!
Bonsai - One platform to streamline your entire business
bunq Apps - Create and market apps that work with bank accounts