curl --request POST \
  --url https://mcp-bff.gojinko.com/api/v1/shop/sync/checkout \
  --header 'Content-Type: application/json' \
  --data '
{
  "trip_id": "<string>"
}
'

{
  "checkout_url": "<string>",
  "expires_at": "<string>",
  "items": [
    {
      "available_ancillaries": [
        {
          "description": "<string>",
          "label": "<string>",
          "max_quantity": 123,
          "offer_id": "<string>",
          "per_pax": true,
          "price_per_unit": {
            "amount": 123,
            "currency": "<string>"
          },
          "type": "<string>"
        }
      ],
      "item_id": "<string>",
      "kind": "<string>",
      "pax_count": 123,
      "price": {
        "amount": 123,
        "currency": "<string>"
      },
      "selected_ancillaries": [
        {
          "offer_id": "<string>",
          "pax_ref_id": "<string>",
          "quantity": 123
        }
      ]
    }
  ],
  "session_id": "<string>",
  "status": "<string>",
  "total_amount": {
    "amount": 123,
    "currency": "<string>"
  }
}