---
title: "Changes to Update a translation of a broadcast message"
method: PUT
path: "/v1/broadcasts/{broadcast_id}/actions/{action_id}/language/{language}"
---

# Changes to Update a translation of a broadcast message

`PUT /v1/broadcasts/{broadcast_id}/actions/{action_id}/language/{language}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 13 revisions.

- **2026-09-18** `80dbb5640491` — 4 info
- **2026-09-02** `5da2740beeb5` — 1 info

## Changes

- **2026-09-18** `80dbb5640491` — 4 info
  - added the optional property `action/oneOf[subschema #1: Email / message]/allOf[subschema #2]/multi_language_branch_action_id` to the response with the `200` status
  - added the optional property `action/oneOf[subschema #2: SMS / MMS]/allOf[subschema #1]/multi_language_branch_action_id` to the response with the `200` status
  - added the optional property `action/oneOf[subschema #3: WhatsApp]/allOf[subschema #1]/multi_language_branch_action_id` to the response with the `200` status
  - added the optional property `action/oneOf[subschema #4: Webhook]/allOf[subschema #1]/multi_language_branch_action_id` to the response with the `200` status
- **2026-09-02** `5da2740beeb5` — 1 info
  - added the media type `application/json` for the response with the status `429`

---

[Operation](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/docs/v1/broadcasts/:broadcast_id/actions/:action_id/language/:language/put.md) · [API](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference.md) · [Page](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/changes/v1/broadcasts/:broadcast_id/actions/:action_id/language/:language/put)