Invoice PDF API: Rechnungen im Markenlook aus Ihren Abrechnungsdaten

curl https://api.dynamicdocumentapi.com/v1/pdf/from-template \
  -H "Authorization: Bearer $DYNAMIC_DOCUMENT_API_KEY" \
  -H "Idempotency-Key: INV-2026-0042" \
  -H "Content-Type: application/json" \
  -d '{
    "template_id": "tpl_invoice",
    "data": {
      "number": "INV-2026-0042",
      "issued": "2026-09-22",
      "due": "2026-10-22",
      "locale": "en-US",
      "currency": "USD",
      "customer": { "name": "Acme Co.", "address": "1 Main St, Austin, TX" },
      "items": [
        { "name": "Pro plan (annual)", "qty": 1, "unit": 1200.00, "total": 1200.00 },
        { "name": "Extra seats",       "qty": 4, "unit": 40.00,   "total": 160.00 }
      ],
      "subtotal": 1360.00, "tax_rate": 0.08, "tax": 108.80, "total": 1468.80,
      "pay_url": "https://pay.example.com/i/INV-2026-0042"
    },
    "filename": "{{ data.number }}.pdf",
    "delivery": "binary"
  }' \
  --output INV-2026-0042.pdf

// Node.js 18+: render the invoice and return the PDF bytes
export async function renderInvoice(invoice) {
  const res = await fetch("https://api.dynamicdocumentapi.com/v1/pdf/from-template", {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.DYNAMIC_DOCUMENT_API_KEY}`,
      "Idempotency-Key": invoice.number, // safe to retry
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      template_id: "tpl_invoice",
      data: invoice,
      filename: `${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_invoice(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_invoice",
            "data": invoice,
            "filename": f"{invoice['number']}.pdf",
            "delivery": "binary",
        },
        timeout=60,
    )
    res.raise_for_status()
    return res.content

<?php
function renderInvoice(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_invoice',
            'data'        => $invoice,
            'filename'    => $invoice['number'] . '.pdf',
            'delivery'    => 'binary',
        ]),
    ]);
    return curl_exec($ch); // PDF bytes
}