Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Razorpay - Payment gateway solution for India with robust, developer friendly API and simple economic pricing.
Google Cloud Functions - A serverless platform for building event-based microservices.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller