mobilecommons - MobileCommons makes it easy for companies and non-profits to connect with people on their mobile devices.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Swrve - An integrated mobile marketing automation platform: analytics, push notifications, A/B testing and in-app campaign delivery.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
MobileROI - An artificial intelligence and context-aware mobile relationship marketing platform
Plivo - Plivo simplifies your customer engagement.