E-Rechnung API: XRechnung und ZUGFeRD aus Ihren Rechnungsdaten

curl https://api.dynamicdocumentapi.com/v1/pdf/from-template \
  -H "Authorization: Bearer $DYNAMIC_DOCUMENT_API_KEY" \
  -H "Idempotency-Key: R-2026-0042" \
  -H "Content-Type: application/json" \
  -d '{
    "template_id": "tpl_einvoice",
    "data": {
      "invoice": {
        "number": "R-2026-0042",
        "issue_date": "2026-09-23",
        "due_date": "2026-10-23",
        "currency": "EUR",
        "buyer_reference": "PO-4711",
        "delivery": { "date": "2026-09-22" },
        "seller": {
          "name": "Example GmbH", "vat_id": "DE123456789",
          "electronic_address": { "id": "invoices@example.com", "scheme": "EM" },
          "address": { "line1": "Beispielstraße 1", "city": "Berlin", "postcode": "10115", "country": "DE" }
        },
        "buyer": {
          "name": "Customer AG", "vat_id": "DE987654321",
          "electronic_address": { "id": "ap@customer.example", "scheme": "EM" },
          "address": { "line1": "Marktplatz 5", "city": "München", "postcode": "80331", "country": "DE" }
        },
        "payment": { "means_code": "58", "credit_transfers": [{ "account_id": "DE02120300000000202051" }] },
        "lines": [
          { "quantity": "10", "unit": "HUR", "price": { "net": "100.00" },
            "tax": { "category": "S", "rate": "19" }, "item": { "name": "Beratung" } }
        ]
      }
    },
    "einvoice": { "profile": "EN16931", "invoice_path": "invoice" },
    "filename": "{{ data.invoice.number }}.pdf",
    "delivery": "binary"
  }' \
  --output R-2026-0042.pdf

// Node.js 18+: render the invoice as a Factur-X / ZUGFeRD PDF
export async function renderEInvoice(invoice) {
  const res = await fetch("https://api.dynamicdocumentapi.com/v1/pdf/from-template", {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.DYNAMIC_DOCUMENT_API_KEY}`,
      "Idempotency-Key": invoice.number, // safe to retry
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      template_id: "tpl_einvoice",
      data: { invoice },
      einvoice: { profile: "EN16931", invoice_path: "invoice" },
      filename: `${invoice.number}.pdf`,
      delivery: "binary",
    }),
  });
  if (!res.ok) throw new Error(await res.text());
  return Buffer.from(await res.arrayBuffer());
}

import os
import requests

def render_einvoice(invoice: dict) -> bytes:
    res = requests.post(
        "https://api.dynamicdocumentapi.com/v1/pdf/from-template",
        headers={
            "Authorization": f"Bearer {os.environ['DYNAMIC_DOCUMENT_API_KEY']}",
            "Idempotency-Key": invoice["number"],  # safe to retry
        },
        json={
            "template_id": "tpl_einvoice",
            "data": {"invoice": invoice},
            "einvoice": {"profile": "EN16931", "invoice_path": "invoice"},
            "filename": f"{invoice['number']}.pdf",
            "delivery": "binary",
        },
        timeout=130,
    )
    res.raise_for_status()
    return res.content

<?php
function renderEInvoice(array $invoice): string
{
    $ch = curl_init('https://api.dynamicdocumentapi.com/v1/pdf/from-template');
    curl_setopt_array($ch, [
        CURLOPT_POST           => true,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER     => [
            'Authorization: Bearer ' . getenv('DYNAMIC_DOCUMENT_API_KEY'),
            'Idempotency-Key: ' . $invoice['number'], // safe to retry
            'Content-Type: application/json',
        ],
        CURLOPT_POSTFIELDS     => json_encode([
            'template_id' => 'tpl_einvoice',
            'data'        => ['invoice' => $invoice],
            'einvoice'    => ['profile' => 'EN16931', 'invoice_path' => 'invoice'],
            'filename'    => $invoice['number'] . '.pdf',
            'delivery'    => 'binary',
        ]),
    ]);
    return curl_exec($ch); // PDF/A-3b with the XML embedded
}