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WebRTC video and audio SDKs + WebSockets Voice APIs for building the sci-fi stuff today. Backwards-compatible REST APIs for bridging between yesterday and tomorrow.
When your audience is large, your brand is premium, and you won't settle for janky video conferencing UX, you want this.
Real time, granular control over call flows, routing, and codecs. 300% more responsiveness than you get with REST. If you use AI in your voice apps, you just found your new favorite API.
If you're more comfortable with REST than WebSockets or already use TwiML, these APIs are like TwiML...if TwiML suddenly knew Kung Fu.
The SMS API makes it easy to move your expensive SMS traffic to SignalWire and cut your billio 50-80% in the process.