<!-- Canonical: https://www.agentlist.io/transports/webrtc -->

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 ↗](https://webrtc.org/)

MIX

## Who speaks it

-   04[voice agents](https://www.agentlist.io/categories/voice-agent)

BY

## Vendors (4)

-   [Deepgram](https://www.agentlist.io/ai/deepgram)
-   [ElevenLabs](https://www.agentlist.io/ai/elevenlabs)
-   [Retell AI](https://www.agentlist.io/ai/retell)
-   [Vapi](https://www.agentlist.io/ai/vapi)

MATRIX

## Agents on this wire (4)

[Vapi Vapi · voice-agent api/voice · cloud · Usage-based: ~$0.05/min platform fee + model/telephony costs](https://www.agentlist.io/systems/vapi)

[Retell AI Retell AI · voice-agent api/voice · cloud · Usage-based (~$0.07+/min); enterprise plans](https://www.agentlist.io/systems/retell)

[ElevenLabs Agents ElevenLabs · voice-agent api/voice · cloud · Included in ElevenLabs plans; per-minute credits](https://www.agentlist.io/systems/elevenlabs-agents)

[Deepgram Voice Agent Deepgram · voice-agent api/voice · cloud · Pay-as-you-go per-minute (~$0.08/min) — verify](https://www.agentlist.io/systems/deepgram-voice-agent)

TABLE

## Transport table

| Agent | Vendor | Category |
| --- | --- | --- |
| VapiVapi 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 AIRetell 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 AgentsElevenLabs 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 AgentDeepgram 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 |

KIND

## More realtime media

-   [PSTN / SIP](https://www.agentlist.io/transports/pstn-sip)

---

Source: [WebRTC — agent transport | agentlist.io](https://www.agentlist.io/transports/webrtc). This is the public page rendered as Markdown; interactive controls require the website.