Zelle - Zelle is a fast, safe and easy way to send money in minutes to your friends and family.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
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.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
PaymentSpring - The all-in-one, developer-driven payment gateway
Plivo - Plivo simplifies your customer engagement.