---
title: "POST live_transport_connected"
method: POST
path: "live_transport_connected"
---

# POST live_transport_connected

`POST live_transport_connected` (webhook)

Sent when a direct Live WebRTC session is created or an Instant Connect session activates.

## Payload

- WebhookLiveTransportConnected: Sent when a direct Live WebRTC session is created or an Instant Connect session activates. Use its session ID to attach a sideband observer.
  - `id` string, required: The webhook event ID.
  - `object` 'event', required
  - `created_at` integer, required: Unix time in seconds when the event was created.
  - `type` 'live.transport.connected', required
  - `data` object, required
    - `type` 'webrtc', required: The session transport.
    - `session_id` string, required: The Live session ID to use with the sideband attach endpoint.

## Acknowledgement `200`

Acknowledges delivery after the endpoint has recorded the work.

## Other responses

- `204`: Acknowledges delivery without a response body.

---

[API](https://skmtc.dev/openai/apis/openai-api-4.md) - [All operations](https://skmtc.dev/openai/apis/openai-api-4/llms.txt) - [OpenAPI document](https://skmtc.dev/openai/apis/openai-api-4/revisions/474789d5faa0?raw)