curl --request GET \
  --url https://api.criteo.com/2026-01/retail-media/campaigns/{campaign-id}/preferred-line-items \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "attributes": {
        "budget": 123,
        "campaignId": "<string>",
        "name": "<string>",
        "startDate": "2023-12-25",
        "targetRetailerId": "<string>",
        "budgetRemaining": 123,
        "budgetSpent": 123,
        "capping": {
          "count": 123
        },
        "createdAt": "2023-11-07T05:31:56Z",
        "creativeId": "<string>",
        "endDate": "2023-12-25",
        "id": "<string>",
        "page": {
          "categories": [
            {
              "categoryId": "<string>",
              "includeChildren": true
            }
          ],
          "searchKeywords": [
            "<string>"
          ]
        },
        "updatedAt": "2023-11-07T05:31:56Z"
      },
      "id": "<string>",
      "type": "<string>"
    }
  ],
  "errors": [
    {
      "code": "<string>",
      "detail": "<string>",
      "instance": "<string>",
      "source": {},
      "stackTrace": "<string>",
      "title": "<string>",
      "traceId": "<string>",
      "traceIdentifier": "<string>"
    }
  ],
  "metadata": {
    "currentPageIndex": 123,
    "currentPageSize": 123,
    "nextPage": "<string>",
    "previousPage": "<string>",
    "totalItemsAcrossAllPages": 123,
    "totalPages": 123
  },
  "warnings": [
    {
      "code": "<string>",
      "detail": "<string>",
      "instance": "<string>",
      "source": {},
      "stackTrace": "<string>",
      "title": "<string>",
      "traceId": "<string>",
      "traceIdentifier": "<string>"
    }
  ]
}