Programmable voice, video, messaging and AI agent platform from the creators of the open-source FreeSWITCH project.
SignalWire gives developers REST APIs, server and browser SDKs and a drag-and-drop Call Flow Builder for voice, video, messaging and AI applications. Its SWML markup language connects LLMs, speech-to-text and text-to-speech with PSTN, SIP and WebRTC, and a Compatibility API eases migration from Twilio. AI Agents, launched in April 2025, run inside the telecom media stack with an average response time of about 500 milliseconds. Investors include T-Mobile Ventures, Deutsche Telekom and Samsung NEXT.
Telephony & Transport
HQ COUNTRY
Palo Alto, California, United States
FOUNDED
2017
Is this your company? To claim this listing or update its details, contact us at sunil@uniocommunity.com
