curl --request GET \
  --url https://api.example.com/api/v1/promotions/{id}/listings \
  --header 'x-calry-api-key: <api-key>'

[
  {
    "id": "<string>",
    "integrationAccountID": "<string>",
    "name": "<string>",
    "description": "<string>",
    "thumbnailURL": "<string>",
    "pictures": [
      "<string>"
    ],
    "latitude": 123,
    "longitude": 123,
    "bedroomCount": 123,
    "bathroomCount": 123
  }
]