Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!
Twilio - Brings voice and messaging to your web and mobile applications.
Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
QuickBooksPOS - QuickBooksPOS offer POS system software for small businesses.
Plivo - Plivo simplifies your customer engagement.