---
title: "Changes to Send Campaign Brief Message"
method: POST
path: "/campaigns/audience-builds/{build_id}/brief/messages"
---

# Changes to Send Campaign Brief Message

`POST /campaigns/audience-builds/{build_id}/brief/messages`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 23 revisions.

- **2026-09-19** `216c8523b7ae` — 1 info
- **2026-09-16** `c14a8fc770d0` — 2 info
- **2026-09-14** `0d7ad1d56e7d` — 1 info

## Changes

- **2026-09-19** `216c8523b7ae` — 1 info
  - added the required property `budget` to the response with the `200` status
- **2026-09-16** `c14a8fc770d0` — 2 info
  - added the optional property `brief/office_handles_booking` to the response with the `200` status
  - the `brief` response's property default value changed from `{"summary":"","offers":[],"promotions":[],"sample_messages":[],"tone":"","must_say":[],"must_not_say":[],"handling_rules":[],"escalate_when":[],"facts":[]}` to `{"summary":"","offers":[],"promotions":[],"sample_messages":[],"tone":"","must_say":[],"must_not_say":[],"handling_rules":[],"escalate_when":[],"facts":[],"office_handles_booking":false}` for the status `200`
- **2026-09-14** `0d7ad1d56e7d` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/noso/apis/crucible-backend-api/docs/campaigns/audience-builds/:build_id/brief/messages/post.md) · [API](https://skmtc.dev/noso/apis/crucible-backend-api.md) · [Page](https://skmtc.dev/noso/apis/crucible-backend-api/changes/campaigns/audience-builds/:build_id/brief/messages/post)