{
  "batch_ref": "POST-DISPATCH-2026-10-01-A",
  "sent_at": "2026-10-01T09:30:00Z",
  "dispatch": {
    "dispatch_id": "DISPATCH-0001",
    "mode": "AIR",
    "carrier": "EXAMPLE AIRLINE",
    "flight_or_trip": "XX123",
    "us_port_code": "4701",
    "expected_arrival_date": "2026-10-02"
  },
  "items": [
    {
      "item_id": "CP123456785CA",
      "nature_code": 11,
      "sender": {
        "name": "EXAMPLE SHOP LTD",
        "address": {
          "line1": "100 EXAMPLE ST",
          "city": "TORONTO",
          "region": "ON",
          "postal_code": "M5V1A1",
          "country": "CA"
        }
      },
      "addressee": {
        "name": "JANE SAMPLE",
        "address": {
          "line1": "100 MAIN ST",
          "city": "NEWARK",
          "state": "NJ",
          "zip5": "07102"
        }
      },
      "contents": [
        {
          "description": "WOMEN'S KNITTED COTTON SWEATER",
          "quantity": 1,
          "net_weight_kg": 0.4,
          "value": "45.00",
          "hs_code": "611020",
          "origin_country": "CA"
        }
      ],
      "currency": "CAD",
      "gross_weight_kg": 0.5,
      "postage_paid": "18.50"
    }
  ]
}
