---
title: "/2026-01/marketing-solutions/ad-sets/start"
method: POST
path: "/2026-01/marketing-solutions/ad-sets/start"
tags: ["Campaign"]
---

# /2026-01/marketing-solutions/ad-sets/start

`POST /2026-01/marketing-solutions/ad-sets/start`

Start the specified list of ad sets

## Request body

- RequestsAdSetId — List of input resources
  - `data` WriteModelAdSetId[], nullable
    - `id` string, nullable — Id of the entity
    - `type` string, nullable — Canonical type name of the entity

## Response `200`

List of ad sets that have been started and errors / warnings by ad set

- ResponsesAdSetId — List of output resources
  - `data` ReadModelAdSetId[], nullable
    - `id` string, nullable — Id of the entity
    - `type` string, nullable
  - `errors` CommonProblem[], nullable
    - `code` string, nullable — A machine-readable error code, expressed as a string value.
    - `detail` string, nullable — A human-readable explanation specific to this occurrence of the problem
    - `instance` string, nullable — A URI that identifies the specific occurrence of the problem.
    - `source` object, nullable — A machine-readable structure to reference to the exact location(s) causing the error(s)
    - `stackTrace` string, nullable
    - `title` string, nullable — A short human-readable description of the problem type
    - `traceId` string, nullable — The request correlation ID this problem comes from.
    - `traceIdentifier` string, nullable — The request correlation ID this problem comes from. (deprecated, use traceId instead)
    - `type` 'unknown' | 'access-control' | 'authentication' | 'authorization' | 'availability' | 'deprecation' | 'quota' | 'validation', nullable — The problem's category.
  - `warnings` CommonProblem[], nullable
    - `code` string, nullable — A machine-readable error code, expressed as a string value.
    - `detail` string, nullable — A human-readable explanation specific to this occurrence of the problem
    - `instance` string, nullable — A URI that identifies the specific occurrence of the problem.
    - `source` object, nullable — A machine-readable structure to reference to the exact location(s) causing the error(s)
    - `stackTrace` string, nullable
    - `title` string, nullable — A short human-readable description of the problem type
    - `traceId` string, nullable — The request correlation ID this problem comes from.
    - `traceIdentifier` string, nullable — The request correlation ID this problem comes from. (deprecated, use traceId instead)
    - `type` 'unknown' | 'access-control' | 'authentication' | 'authorization' | 'availability' | 'deprecation' | 'quota' | 'validation', nullable — The problem's category.

---

[API](https://skmtc.net/criteo/apis/criteo-api.md) · [All operations](https://skmtc.net/criteo/apis/criteo-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/criteo/criteo-api/revisions/c1721589426a/schema)