{
  "invoice_reference": "DEMO-INVOICE-0042",
  "container_number": "DEMO-CONTAINER-0042",
  "charge_period_start": "2026-09-01",
  "charge_period_end": "2026-09-30",
  "free_time_end": "2026-09-30",
  "billed_days": 1,
  "charge_rows": [
    {
      "charge_type": "Example charge type - synthetic",
      "start_date": "2026-09-30",
      "end_date": "2026-09-30",
      "billed_days": 1,
      "stated_rate": 1250,
      "stated_amount": 1250
    }
  ],
  "stated_total": 1250
}