Transport — Realtime media
WebRTC
Low-latency voice and media pipes. Low-latency browser and app media — the transport behind in-page voice agents. webrtc.org ↗
Who speaks it
Vendors (4)
Agents on this wire (4)
Vapi
Vapi · voice-agent
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Retell AI
Retell AI · voice-agent
ElevenLabs Agents
ElevenLabs · voice-agent
Deepgram Voice Agent
Deepgram · voice-agent
Transport table
| Agent | Vendor | Category |
|---|---|---|
| Vapi Vapi is the developer platform for voice agents: API-first orchestration of STT, LLM, TTS, and telephony so you can put an agent on a phone number in minutes — and swap every layer. | Vapi | voice-agent |
| Retell AI Retell AI is a voice-agent platform focused on production call quality: fine-grained latency tuning, interruption handling, and both API and no-code agent building for phone agents. | Retell AI | voice-agent |
| ElevenLabs Agents ElevenLabs Agents is the voice agent platform built on the industry's best-known TTS: conversational agents with top-tier voices, phone and web deployment, and model-agnostic reasoning. | ElevenLabs | voice-agent |
| Deepgram Voice Agent Deepgram Voice Agent is the speech-native API: a single endpoint that combines Deepgram's STT/TTS with an LLM loop for real-time voice agents, priced per minute. | Deepgram | voice-agent |