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.

LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address

Razorpay International Payments - Easiest way to accept payments in 100 currencies 🇮🇳

Companion - Never walk home alone

Bonsai Payments - Simple invoicing & payments for small businesses and freelancers. Collect instant payments or set up recurring payments. Get paid via credit card or bank deposit in 100+ currencies.

Iris - The fastest web framework for Go in (THIS) earth