{
  "endpoint": "issueInvoice",
  "description": "Englische Rechnung mit gewählter Marke",
  "request": {
    "idempotencyKey": "ex-en-1",
    "customerId": "customer_example",
    "taxScheme": "normal",
    "priceMode": "net",
    "serviceStart": "2026-09-15",
    "language": "en",
    "brandId": "brand_example",
    "items": [
      {
        "description": "Consulting",
        "quantity": 2,
        "unitPriceCents": 5000,
        "vatRate": 20,
        "unit": "hour"
      }
    ]
  },
  "expected": {
    "ok": true,
    "totals": {
      "netCents": 10000,
      "vatCents": 2000,
      "grossCents": 12000
    }
  }
}