---
title: "Changes to Start Audience Build"
method: POST
path: "/campaigns/audience-builds"
---

# Changes to Start Audience Build

`POST /campaigns/audience-builds`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 8 of 23 revisions.

- **2026-09-23** `d1993647e543` — 1 info
- **2026-09-19** `216c8523b7ae` — 2 info
- **2026-09-18** `40ae92592bd0` — 1 warning, 1 info
- **2026-09-16** `46c87bbc4486` — 1 info
- **2026-09-14** `0d7ad1d56e7d` — 1 warning
- **2026-09-12** `a89ec63b4428` — 1 warning, 3 info
- **2026-09-10** `8eb1d6b3ce25` — 2 breaking, 2 info
- **2026-09-02** `d96feef8e2ef` — 1 info

## Changes

- **2026-09-23** `d1993647e543` — 1 info
  - added the optional property `build/suggestions/items/criteria` to the response with the `200` status
- **2026-09-19** `216c8523b7ae` — 2 info
  - added the optional property `build/suggestions/items/score` to the response with the `200` status
  - added the optional property `build/suggestions/items/score_factors` to the response with the `200` status
- **2026-09-18** `40ae92592bd0` — 1 warning, 1 info
  - removed the request property `campaign_user_id`
  - added the optional property `build/from_upload` to the response with the `200` status
- **2026-09-16** `46c87bbc4486` — 1 info
  - added the optional property `build/accepted_campaign_id` to the response with the `200` status
- **2026-09-14** `0d7ad1d56e7d` — 1 warning
  - removed the request property `customer_ids`
- **2026-09-12** `a89ec63b4428` — 1 warning, 3 info
  - removed the request property `topic`
  - added the new optional request property `intake_id`
  - the `objective/anyOf[subschema #1]/` request property's maxLength was increased from `300` to `500`
  - added the optional property `build/objective` to the response with the `200` status
- **2026-09-10** `8eb1d6b3ce25` — 2 breaking, 2 info
  - the response property `build/suggestions/items/st_customer_id` became optional for the status `200`
  - response property `build/suggestions/items/st_customer_id` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - added the new optional request property `upload_id`
  - added the optional property `build/suggestions/items/member_key` to the response with the `200` status
- **2026-09-02** `d96feef8e2ef` — 1 info
  - added the optional property `build/suggestions/items/location_tags` to the response with the `200` status

---

[Operation](https://skmtc.dev/noso/apis/crucible-backend-api/docs/campaigns/audience-builds/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/post)