---
title: "Changes to Update an existing Channel Participant."
method: POST
path: "/v1/Interactions/{InteractionSid}/Channels/{ChannelSid}/Participants/{Sid}"
---

# Changes to Update an existing Channel Participant.

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

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 51 revisions.

- **2025-07-03** (v1) `0e4cd336d78a` — 1 breaking
- **2025-03-11** (v1) `65f781b3f6b1` — 1 breaking
- **2024-02-27** (v1) `c3d1e976c68c` — 1 info
- **2023-08-24** (v1) `ee368d72cf09` — 1 warning
- **2023-08-10** (v1) `c37c20a0a1cb` — 1 info

## 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

---

[Operation](https://skmtc.dev/twilio/apis/twilio-flex/docs/v1/Interactions/:InteractionSid/Channels/:ChannelSid/Participants/:Sid/post.md) · [API](https://skmtc.dev/twilio/apis/twilio-flex.md) · [Page](https://skmtc.dev/twilio/apis/twilio-flex/changes/v1/Interactions/:InteractionSid/Channels/:ChannelSid/Participants/:Sid/post)