Stripe iOS SDK - Accept both Apple Pay and credit card payments easily on iOS

Google Pay - Make secure payments right through your Android device.

AppToolkit SDK - Find your super users and engage with them!

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.

bunq Apps - Create and market apps that work with bank accounts

Vodafone Wallet - Vodafone Wallet is a significantly used platform developed and published by Vodafone Inc.