---
title: "Mark/unmark a creative as its test winner"
method: POST
path: "/creative-metrics/registry/creative/winner"
tags: ["Creative registry (creo-loop)"]
---

# Mark/unmark a creative as its test winner

`POST /creative-metrics/registry/creative/winner`

## Headers

- `Authorization` string, required

## Request body

- MarkTestWinnerDto
  - `creative_external_id` string, required
  - `winner` boolean, required — false clears the mark

## Response `200`

---

[API](https://skmtc.dev/miaai/apis/backend-template-api.md) · [All operations](https://skmtc.dev/miaai/apis/backend-template-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/miaai/backend-template-api/revisions/2a8d88a5124f/schema)