Twilio is a cloud communications platform as a service company based in San Francisco, California. Twilio allows software developers programmatically to make and receive phone calls, send and receive text messages, and perform other communication functions using its web service APIs.
Plivo launched it's API platform for voice and SMS applications. The company also launched a new SDK, which allows developers to connect their WebRTC apps to stand SIP lines. Users can call regular phone lines using their browsers over WebRTC. Plivo’s SDK also enables developers to integrate WebRTC into existing calling solutions for call centers and enterprises.