---
title: "Update an existing Channel Participant."
method: POST
path: "/v1/Interactions/{InteractionSid}/Channels/{ChannelSid}/Participants/{Sid}"
tags: ["FlexV1InteractionChannelParticipant"]
---

# Update an existing Channel Participant.

`POST /v1/Interactions/{InteractionSid}/Channels/{ChannelSid}/Participants/{Sid}`

Update an existing Channel Participant.

## Path parameters

- `InteractionSid` string, required
- `ChannelSid` string, required
- `Sid` string, required

## Response `200`

OK

- FlexV1InteractionInteractionChannelInteractionChannelParticipant
  - `sid` string, nullable — The unique string created by Twilio to identify an Interaction Channel Participant resource.
  - `type` 'supervisor' | 'customer' | 'external' | 'agent' | 'unknown' — Participant type. Can be: `agent`, `customer`, `supervisor`, `external`, `unknown`
  - `interaction_sid` string, nullable — The Interaction Sid for this channel.
  - `channel_sid` string, nullable — The Channel Sid for this Participant.
  - `url` string, uri, nullable
  - `routing_properties` unknown

## Changes

- **2025-07-03** (v1) `0e4cd336d78a` — 1 breaking
  - the `routing_properties` response's property type changed from `object` to no type for status `200`
- **2025-03-11** (v1) `65f781b3f6b1` — 1 breaking
  - the `routing_properties` response's property type changed from no type to `object` for status `200`
- **2024-02-27** (v1) `c3d1e976c68c` — 1 info
  - added the optional property `routing_properties` to the response with the `200` status
- **2023-08-24** (v1) `ee368d72cf09` — 1 warning
  - changed the pattern of the `path` request parameter `Sid` from `^UO[0-9a-fA-F]{32}$` to `^UT[0-9a-fA-F]{32}$`
- **2023-08-10** (v1) `c37c20a0a1cb` — 1 info
  - api tag `FlexV1InteractionChannelParticipant` added

[Change history](https://skmtc.dev/twilio/apis/twilio-flex/changes/v1/Interactions/:InteractionSid/Channels/:ChannelSid/Participants/:Sid/post.md)

---

[API](https://skmtc.dev/twilio/apis/twilio-flex.md) · [All operations](https://skmtc.dev/twilio/apis/twilio-flex/llms.txt) · [OpenAPI document](https://skmtc.dev/twilio/apis/twilio-flex/revisions/ea1db919b6cc?raw)