curl --request GET \
  --url https://api.criteo.com/2025-01/marketing-solutions/ad-sets/{ad-set-id}/display-multipliers \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "attributes": {
        "categoryName": "<string>",
        "displayMultiplier": 123
      },
      "id": "<string>",
      "type": "AdSetDisplayMultiplier"
    }
  ],
  "errors": [
    {
      "code": "<string>",
      "detail": "<string>",
      "instance": "<string>",
      "source": {},
      "stackTrace": "<string>",
      "title": "<string>",
      "traceId": "<string>",
      "traceIdentifier": "<string>"
    }
  ],
  "warnings": [
    {
      "code": "<string>",
      "detail": "<string>",
      "instance": "<string>",
      "source": {},
      "stackTrace": "<string>",
      "title": "<string>",
      "traceId": "<string>",
      "traceIdentifier": "<string>"
    }
  ]
}