---
title: "Changes to Update an existing dynamic ad"
method: PATCH
path: "/measurement/dynamic_ads/{id}"
---

# Changes to Update an existing dynamic ad

`PATCH /measurement/dynamic_ads/{id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `beceb462c707`: 1 breaking, 7 info

## Changes

- **2026-11-03** `beceb462c707`: 1 breaking, 7 info
  - added `#/components/schemas/AdCohortsWritableAttributes` to the `measurementDynamicAd` request property `allOf` list
  - added the media type `application/json` for the response with the status `401`
  - added the media type `application/json` for the response with the status `404`
  - added the media type `application/json` for the response with the status `422`
  - added the non-success response with the status `400`
  - added the non-success response with the status `403`
  - added the optional property `measurementDynamicAd/allOf[#/components/schemas/DynamicAdWithParentAndChildren]/allOf[#/components/schemas/DynamicAdWithParent]/allOf[#/components/schemas/DynamicAd]/allOf[subschema #2]/cohorts` to the response with the `200` status
  - added the optional property `measurementDynamicAd/allOf[#/components/schemas/DynamicAdWithParentAndChildren]/allOf[#/components/schemas/DynamicAdWithParent]/allOf[subschema #2]/campaign/allOf[subschema #2]/pixel/brand/domain` to the response with the `200` status

---

[Operation](https://skmtc.dev/magellan/apis/magellan-ai-api/docs/measurement/dynamic_ads/:id/patch.md) - [API](https://skmtc.dev/magellan/apis/magellan-ai-api.md) - [Page](https://skmtc.dev/magellan/apis/magellan-ai-api/changes/measurement/dynamic_ads/:id/patch)