curl --request GET \
  --url https://api.dooki.com.br/v2/{alias}/pricing/promotions/{id} \
  --header 'User-Secret-Key: <api-key>' \
  --header 'User-Token: <api-key>'

{
  "id": 123,
  "active": true,
  "all_products": true,
  "utm_only": true,
  "highlight_on_menu": true,
  "accumulate": true,
  "price_attribute": "<string>",
  "name": "Promoção relâmpago",
  "expired": true,
  "url": "https://www.domain.com/promocoes/test",
  "slug": "<string>",
  "value": 123,
  "utm_source": "google",
  "utm_campaign": "adwords",
  "start_at": {
    "date": "2000-08-17 10:24:24",
    "timezone_type": 3,
    "timezone": "America/Sao_Paulo"
  },
  "end_at": {
    "date": "2000-08-17 10:24:24",
    "timezone_type": 3,
    "timezone": "America/Sao_Paulo"
  },
  "created_at": {
    "date": "2000-08-17 10:24:24",
    "timezone_type": 3,
    "timezone": "America/Sao_Paulo"
  },
  "updated_at": {
    "date": "2000-08-17 10:24:24",
    "timezone_type": 3,
    "timezone": "America/Sao_Paulo"
  }
}