Twilio - Brings voice and messaging to your web and mobile applications.
Mobiniti - Mobiniti offers a mobile marketing platform for clients to invite customers to engage with their brand through SMS via their mobile phone.
Bandwidth - Bandwidth offers SIP trunking, Emergency communications, and Voice & Messaging APIs.
Pyze - Pyze utilizes machine learning to understand user behavior and automate user engagement so...
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Textmagic - The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.