---
title: "Update Conference"
method: POST
path: "/Accounts/{AccountSid}/Conferences/{Sid}"
tags: ["Conferences"]
---

# Update Conference

`POST /Accounts/{AccountSid}/Conferences/{Sid}`

Allows you to modify the properties of a conference.

#### 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](/platform/dashboard/getting-started/your-signalwire-api-space#api-token-scopes).

## Path parameters

- `AccountSid` string, uuid, required
- `Sid` string, uuid, required

## Response `200`

The request has succeeded.

- ConferenceResponse — Response containing a single conference.
  - `sid` string, uuid, required — The unique identifier for this conference.
  - `account_sid` string, uuid, required — The unique identifier for the account that created this conference.
  - `date_created` string, required — The date, in RFC 2822 format, this conference was created.
  - `date_updated` string, required — The date, in RFC 2822 format, this conference was updated.
  - `friendly_name` string, required — A description, up to 64 characters, of the conference room.
  - `status` 'init' | 'in-progress' | 'completed', required — Conference status.
  - `api_version` string, required — The version of the SignalWire API.
  - `region` string, required — The region where this conference audio was mixed.
  - `uri` string, required — The URI for this conference.
  - `subresource_uris` ConferenceSubresourceUris, required — Conference subresource URIs.
    - `participants` string, required — Links to the participants.
    - `recordings` string, required — Links to the recordings.

## 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. Check the error details for more information.
- `503` — The service is temporarily unavailable. Please try again later.

## Changes

- **2026-01-19** `d5fbaaddfa3e` — 3 breaking, 17 info
  - request property `Status` was restricted to a list of enum values
  - the `AnnounceUrl` request property format changed from no format to `uri`
  - the `region` response's property type changed from no type to `string` for status `200`
  - added the new `completed` enum value to the request property `Status`
  - …16 more
- **2026-01-15** `a10b019314cd` — 1 info
  - request body became optional
- **2026-01-15** `07f73f74a61d` — 1 breaking, 1 info
  - removed the media type `application/json` from the request body
  - added the media type `application/x-www-form-urlencoded` to the request body
- **2026-01-15** `3c88f14db21e` — 7 breaking, 2 warning, 14 info
  - added the new path request parameter `AccountSid`
  - added the new path request parameter `Sid`
  - request body became required
  - removed the media type `application/x-www-form-urlencoded` from the request body
  - …19 more

[Change history](https://skmtc.dev/signalwire/apis/compatibility-api/changes/Accounts/:AccountSid/Conferences/:Sid/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/8891278c1908/schema)