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

{
  "id": 123,
  "name": "Primeira Letra",
  "price": 123,
  "description": "Descrição",
  "type": "select",
  "required": true,
  "allowed_values": "<string>",
  "max_chars": 1,
  "products_ids": [
    123
  ],
  "values": "['A', 'B', 'C', 'D']",
  "total_products": 123,
  "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"
  }
}