{
  "invoiceNumber": "RE-2026-1003",
  "issueDate": "2026-10-01",
  "dueDate": "2026-10-15",
  "deliveryDate": "2026-10-01",
  "currency": "EUR",
  "buyerReference": "Vertrag 2025-0420",
  "note": "Fiktive Beispielrechnung von NormAPI, frei nutzbar (CC0). Namen, Nummern und Konten sind erfunden.",
  "seller": {
    "name": "Muster Software GmbH",
    "vatId": "DE123456789",
    "electronicAddress": "rechnung@muster-software.example",
    "address": {
      "street": "Beispielstraße 12",
      "city": "Berlin",
      "postcode": "10115",
      "country": "DE"
    },
    "contact": {
      "name": "Maria Muster",
      "phone": "+49 30 1234567",
      "email": "maria.muster@muster-software.example"
    }
  },
  "buyer": {
    "name": "Beispiel Handel AG",
    "electronicAddress": "einkauf@beispiel-handel.example",
    "address": {
      "street": "Handelsweg 3",
      "city": "Hamburg",
      "postcode": "20095",
      "country": "DE"
    }
  },
  "payment": {
    "meansCode": "59",
    "reference": "RE-2026-1003",
    "directDebit": {
      "mandateReference": "MANDAT-2026-0815",
      "creditorId": "DE98ZZZ09999999999",
      "debitedAccount": "DE34200505501234567890"
    }
  },
  "paymentTerms": "Der Betrag wird am 15. Oktober 2026 per SEPA-Lastschrift von Ihrem Konto eingezogen.",
  "lines": [
    {
      "name": "Software-Abonnement Business, Oktober 2026",
      "quantity": 1,
      "unit": "MON",
      "unitPrice": 249.00,
      "vatCategory": "S",
      "vatRate": 19
    },
    {
      "name": "Zusätzliche Nutzer, Oktober 2026",
      "quantity": 5,
      "unit": "C62",
      "unitPrice": 12.00,
      "vatCategory": "S",
      "vatRate": 19
    }
  ]
}