---
title: "Changes to Trigger Broadcast"
method: POST
path: "/{workspace_key}/broadcast/"
---

# Changes to Trigger Broadcast

`POST /{workspace_key}/broadcast/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 14 revisions.

- **2026-10-21** `9e2993953beb`: 1 info
- **2026-10-20** `b29a684058d6`: 1 info
- **2026-10-16** `5f0169085547`: 2 breaking, 3 info
- **2026-08-20** `9a5a2cd152ae`: 1 breaking
- **2026-07-13** `e54dd32705e8`: 1 breaking, 1 info

## Changes

- **2026-10-21** `9e2993953beb`: 1 info
  - added the new optional request property `precompute`
- **2026-10-20** `b29a684058d6`: 1 info
  - added the new optional request property `cancellation_key`
- **2026-10-16** `5f0169085547`: 2 breaking, 3 info
  - removed the media type `application/json` for the response with the status `202`
  - removed the media type `application/json` for the response with the status `400`
  - the `trigger_at` request property format was generalized from `date` to `date-time`
  - added the media type `text/plain` for the response with the status `202`
  - added the media type `text/plain` for the response with the status `400`
- **2026-08-20** `9a5a2cd152ae`: 1 breaking
  - added the pattern `^[a-z0-9_-]+$` to the request property `list_id`
- **2026-07-13** `e54dd32705e8`: 1 breaking, 1 info
  - api path removed without deprecation
  - endpoint added

---

[Operation](https://skmtc.dev/suprsend/apis/suprsend-api/docs/:workspace_key/broadcast/post.md) - [API](https://skmtc.dev/suprsend/apis/suprsend-api.md) - [Page](https://skmtc.dev/suprsend/apis/suprsend-api/changes/:workspace_key/broadcast/post)
