curl --request GET \
  --url https://{operatorDomain}/v1/admin/promotions \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "slug": "<string>",
      "description": "<string>",
      "discountPercent": 123,
      "discountAmountCents": 123,
      "currency": "<string>",
      "scope": {
        "productIds": [
          "<string>"
        ],
        "categoryIds": [
          "<string>"
        ],
        "destinationIds": [
          "<string>"
        ],
        "marketIds": [
          "<string>"
        ],
        "audiences": [],
        "fareCodes": [
          "<string>"
        ],
        "cabinGradeCodes": [
          "<string>"
        ]
      },
      "conditions": {
        "minPax": 123,
        "pastGuestOnly": true,
        "soloTravelerOnly": true,
        "childTravelerOnly": true,
        "familyOnly": true
      },
      "validFrom": "2023-12-25",
      "validUntil": "2023-12-25",
      "code": "<string>",
      "stackable": true,
      "active": true,
      "metadata": {}
    }
  ]
}