curl --request GET \
  --url https://api.criteo.com/preview/retail-media/accounts/{accountId}/balances \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "attributes": {
        "createdAt": "2023-11-07T05:31:56Z",
        "deposited": 123,
        "name": "<string>",
        "remaining": 123,
        "spent": 123,
        "startDate": "<string>",
        "updatedAt": "2023-11-07T05:31:56Z",
        "criteoPoNumber": "<string>",
        "endDate": "<string>",
        "memo": "<string>",
        "retailerId": "<string>",
        "retailerPoNumber": "<string>"
      },
      "id": "<string>",
      "type": "<string>"
    }
  ],
  "errors": [
    {
      "code": "<string>",
      "detail": "<string>",
      "instance": "<string>",
      "source": {},
      "stackTrace": "<string>",
      "title": "<string>",
      "traceId": "<string>"
    }
  ],
  "metadata": {
    "limit": 123,
    "offset": 123,
    "count": 123
  },
  "warnings": [
    {
      "code": "<string>",
      "detail": "<string>",
      "instance": "<string>",
      "source": {},
      "stackTrace": "<string>",
      "title": "<string>",
      "traceId": "<string>"
    }
  ]
}