Invoice-api.xhub API Dokumentation

1# 1. API Key setzen
2export XHUB_API_KEY=sk_live_...
3 
4# 2. E-Rechnung erstellen
5curl -X POST https://service.invoice-api.xhub.io/api/v1/invoice/de/xrechnung/generate \
6  -H "Authorization: Bearer $XHUB_API_KEY" \
7  -H "Content-Type: application/json" \
8  -d '{
9    "invoice": {
10      "invoiceNumber": "RE-2026-0042",
11      "type": "invoice",
12      "issueDate": "2026-03-01",
13      "currency": "EUR",
14      "seller": {
15        "name": "Deine Firma GmbH",
16        "street": "Musterstraße 1",
17        "city": "Berlin",
18        "postalCode": "10115",
19        "countryCode": "DE",
20        "vatId": "DE123456789",
21        "email": "rechnung@deinefirma.de",
22        "phone": "+49 30 12345678",
23        "bankAccount": { "iban": "DE89370400440532013000" }
24      },
25      "buyer": {
26        "name": "Kunde AG",
27        "street": "Kundenweg 42",
28        "city": "München",
29        "postalCode": "80331",
30        "countryCode": "DE",
31        "vatId": "DE987654321"
32      },
33      "items": [
34        {
35          "description": "Beratung",
36          "quantity": 1,
37          "unit": "C62",
38          "unitPrice": 1500.00,
39          "taxRate": 19,
40          "netAmount": 1500.00,
41          "taxAmount": 285.00
42        }
43      ],
44      "subtotal": 1500.00,
45      "total": 1785.00,
46      "taxSummary": [
47        { "taxRate": 19, "taxCategoryCode": "S", "netAmount": 1500.00, "taxAmount": 285.00 }
48      ],
49      "paymentMethods": [{ "type": "bank_transfer" }]
50    }
51  }'
52 
53# ✓ Response: {"success": true, "format": "xrechnung", ...}