Facebook Pay - Send money to your friends via Messenger
Swell.is - Customizable, API-first ecommerce platform for innovative brands, startups, and agencies.
Cash App - The easy way to send, spend, bank, and invest.
Shopify - Shopify is a powerful ecommerce platform that includes everything you need to create an online store and sell online. Try it free for 14 days.
PayPal.Me - Request money using your own personalized URL.
WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.