---
title: "POST realtime_call_incoming"
method: POST
path: "realtime_call_incoming"
---

# POST realtime_call_incoming

`POST realtime_call_incoming` (webhook)

## Payload

- WebhookRealtimeCallIncoming — Sent when an incoming API SIP session is available for Realtime acceptance. The same pending session can also emit `live.call.incoming`; the first successful Realtime or Live accept endpoint selects the runtime surface.
  - `created_at` integer, required — The Unix timestamp (in seconds) of when the model response was completed.
  - `id` string, required — The unique ID of the event.
  - `data` object, required — Event data payload.
    - `call_id` string, required — The Transceiver `rtc_...` ID of the pending SIP session. The same value appears as `session_id` in `live.call.incoming`.
    - `sip_headers` object[], required — Headers from the SIP Invite.
      - `name` string, required — Name of the SIP Header.
      - `value` string, required — Value of the SIP Header.
  - `object` 'event' — The object of the event. Always `event`.
  - `type` 'realtime.call.incoming', required — The type of the event. Always `realtime.call.incoming`.

## Acknowledgement `200`

Return a 200 status code to acknowledge receipt of the event. Non-200
status codes will be retried.

---

[API](https://skmtc.net/openai/apis/openai-api.md) · [All operations](https://skmtc.net/openai/apis/openai-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/openai/openai-api/revisions/dcd35773a322/schema)