curl --request POST \
  --url https://api.scalev.com/v3/pages/{page_unique_id}/checkout/summary \
  --header 'Content-Type: application/json' \
  --header 'X-Scalev-Page-Api-Key: <x-scalev-page-api-key>' \
  --data '
{
  "items": [
    {
      "type": "product",
      "quantity": 1,
      "variant_unique_id": "variant_x7f2a9",
      "bundle_price_option_unique_id": "bundle_price_option_p4k8q2"
    }
  ],
  "destination": {
    "address": "Jl. Kopi No. 1",
    "subdistrict_id": 3171010,
    "postal_code": "10510"
  },
  "payment_method": "bank_transfer"
}
'

{
  "product_price": "<string>",
  "shipping_cost": "<string>",
  "other_income": "<string>",
  "other_income_name": "<string>",
  "gross_revenue": "<string>"
}