Twilio - Brings voice and messaging to your web and mobile applications.
addlive - AddLive leverages WebRTC to allow anyone to easily add video and voice conferencing to their...
Plivo - Plivo simplifies your customer engagement.
SightCall - SightCall offers comprehensive real-time video APIs and Mobile SDKs that makes it simple to embed...
Vidyo.io - Our hosted video chat API makes it simple for devs to embed beautiful multiparty video into apps on any device. Learn more here: https://t.co/4b5EbRg0SG
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates