{
  "id": "inv_7Qd2KxP9",
  "number": "INV-2026-00418",
  "account_id": "acct_3mZt81",
  "status": "paid",
  "amount": 1299.9,
  "currency": "EUR",
  "due_date": "2026-10-31",
  "updated_at": "2026-10-20T09:14:52Z",
  "customer": {
    "name": "Hollis & Varga GmbH",
    "contact_email": "ap@hollis-varga.example",
    "tax_id": "DE000000000",
    "billing_address": "Musterweg 12, 10115 Berlin"
  },
  "payment": {
    "method": "card",
    "card_last4": "4242",
    "paid_at": "2026-10-20T09:14:50Z"
  },
  "line_items": [
    { "description": "Pro plan, October", "quantity": 1, "unit_amount": 1299.9 }
  ],
  "internal_notes": "Customer asked for net-30, approved by finance"
}
