Stripe iOS SDK - Accept both Apple Pay and credit card payments easily on iOS
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
AppToolkit SDK - Find your super users and engage with them!
Thirty Bees - Open e-commerce platform designed to work out of the box.
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.
Squarify.io - Sync inventory between Square and Shopify.