---
title: "Create a Conference Stream"
method: POST
path: "/Accounts/{AccountSid}/Conferences/{ConferenceSid}/Streams"
tags: ["Conference Streams"]
---

# Create a Conference Stream

`POST /Accounts/{AccountSid}/Conferences/{ConferenceSid}/Streams`

Starts sending selected audio tracks from an active voice conference to a secure WebSocket endpoint. Use it for live conference-audio processing; use [Call Streams](/docs/compatibility-api/rest/streams/create-stream) for one call or [Video Room Streams](/docs/apis/rest/video/streams/list-room-streams) for RTMP video broadcasts.

#### Permissions

The API token used to authenticate must have the following scope(s) enabled to make a successful request: _Voice_.

[Learn more about API scopes](/docs/platform/your-signalwire-api-space).

## Path parameters

- `AccountSid` string, uuid, required — Universal Unique Identifier.
- `ConferenceSid` string, uuid, required — Universal Unique Identifier.

## Response `200`

The request has succeeded.

- ConferenceStreamResponse — Response containing a single conference stream.
  - `account_sid` string, uuid, required — Universal Unique Identifier.
  - `conference_sid` string, uuid, required — Universal Unique Identifier.
  - `date_updated` string, required — The date, in RFC 2822 GMT format, this stream was updated.
  - `name` string, nullable, required — The name of the stream. May be null if not specified when creating the stream.
  - `sid` string, uuid, required — Universal Unique Identifier.
  - `status` 'queued' | 'in-progress' | 'stopped', required — Conference stream status.
  - `uri` string, required — The URI for the stream.

## Other responses

- `400` — The request was invalid or cannot be processed. Check the error details for more information.
- `401` — Authentication failed. Please verify your credentials and try again.
- `404` — The requested resource was not found. Please verify the resource identifier.
- `422` — The request could not be processed due to validation errors. Review the errors array for specific issues.

## Changes

- **2026-05-12** `2916d5e3072e` — 3 breaking, 3 info
  - the `account_sid` response's property type/format changed from `string`/`uuid` to ``/`` for status `200`
  - the `conference_sid` response's property type/format changed from `string`/`uuid` to ``/`` for status `200`
  - the `sid` response's property type/format changed from `string`/`uuid` to ``/`` for status `200`
  - added `#/components/schemas/uuid` to the `account_sid` response property `allOf` list for the response status `200`
  - …2 more
- **2026-05-12** `5344c0c93a4c` — 1 breaking, 5 info
  - added 'unevaluatedProperties' constraint to the request body
  - added 'unevaluatedProperties' constraint to the response body for the status `200`
  - added 'unevaluatedProperties' constraint to the response body for the status `400`
  - added 'unevaluatedProperties' constraint to the response body for the status `401`
  - …2 more
- **2026-03-04** `2e516ba2383f` — 1 breaking
  - response property `name` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
- **2026-01-19** `d5fbaaddfa3e` — 5 breaking, 14 info
  - the request property `Url` became required
  - the `StatusCallback` request property type/format changed from `string`/`` to `string`/`uri`
  - the `Url` request property type/format changed from `string`/`` to `string`/`uri`
  - the response property `name` became nullable for the status `200`
  - …15 more
- …earlier changes not shown

[Full history](https://skmtc.dev/signalwire/apis/compatibility-api/changes/Accounts/:AccountSid/Conferences/:ConferenceSid/Streams/post.md)

---

[API](https://skmtc.dev/signalwire/apis/compatibility-api.md) · [All operations](https://skmtc.dev/signalwire/apis/compatibility-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/signalwire/compatibility-api/revisions/723316346320/schema)