Bring your own telephony

curl -X POST "https://api.omnia-voice.com/api/v1/calls/create" \
  -H "X-API-Key: $OMNIA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "agentId": "AGENT_ID", "connectionType": "twilio" }'

{
  "id": "…",
  "websocketUrl": "wss://…",
  "status": "created",
  "connectionType": "twilio",
  "agent": { "id": "…", "name": "Front Desk" },
  "createdAt": "2026-08-22T09:14:02Z"
}

<?xml version="1.0" encoding="UTF-8"?>
<Response>
  <Connect>
    <Stream url="wss://…" />
  </Connect>
</Response>

app.post("/voice", async (req, res) => {
  const { websocketUrl } = await (
    await fetch("https://api.omnia-voice.com/api/v1/calls/create", {
      method: "POST",
      headers: {
        "X-API-Key": process.env.OMNIA_API_KEY,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({ agentId: AGENT_ID, connectionType: "twilio" }),
    })
  ).json();

  res.type("text/xml").send(
    `<?xml version="1.0" encoding="UTF-8"?>
     <Response><Connect><Stream url="${websocketUrl}" /></Connect></Response>`
  );
});

{
  "agentId": "AGENT_ID",
  "connectionType": "websocket",
  "websocket": {
    "inputSampleRate": 16000,
    "outputSampleRate": 16000,
    "codec": "pcm",
    "enableAudioBuffering": true
  }
}