You can access the XRechnung Invoice Generator programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

$echo '{
<  "invoice": {
<    "invoice_number": "INV-2026-0001",
<    "issue_date": "2026-07-29",
<    "due_date": "2026-08-28",
<    "delivery_date": "2026-07-29",
<    "currency": "EUR",
<    "invoice_type_code": "380",
<    "buyer_reference": "BUYER-REF-1001",
<    "purchase_order_reference": "PO-2026-1001",
<    "seller": {
<      "name": "Example Supplier GmbH",
<      "address": {
<        "line1": "Musterstrasse 10",
<        "city": "Berlin",
<        "postal_code": "10115",
<        "country_code": "DE"
<      },
<      "vat_id": "DE123456789",
<      "registration_id": "HRB12345",
<      "endpoint_id": "4000001123452",
<      "endpoint_scheme": "0088",
<      "email": "billing@example-supplier.test",
<      "contact_name": "Billing Team",
<      "phone": "+49 30 1234567"
<    },
<    "buyer": {
<      "name": "Example Buyer GmbH",
<      "address": {
<        "line1": "Einkaufsweg 20",
<        "city": "Hamburg",
<        "postal_code": "20095",
<        "country_code": "DE"
<      },
<      "vat_id": "DE987654321",
<      "registration_id": "HRB54321",
<      "endpoint_id": "4000001987658",
<      "endpoint_scheme": "0088",
<      "email": "accounts@example-buyer.test"
<    },
<    "lines": [
<      {
<        "id": "1",
<        "description": "Consulting services",
<        "quantity": "2",
<        "unit_code": "HUR",
<        "unit_price": "500.00",
<        "tax_rate": "19",
<        "tax_category": "S"
<      }
<    ],
<    "payment": {
<      "means_code": "30",
<      "reference": "INV-2026-0001",
<      "iban": "DE89370400440532013000",
<      "bic": "COBADEFFXXX"
<    },
<    "notes": [
<      "Generated sample for technical preflight."
<    ],
<    "extensions": {
<      "xrechnung": {
<        "syntax": "ubl"
<      }
<    }
<  }
<}' |
<apify call kamerozkan/xrechnung-invoice-generator --silent --output-dataset

XRechnung UBL and CII Invoice Generator API through CLI

The Apify CLI is the official tool that allows you to use XRechnung Invoice Generator locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

XRechnung Invoice Generator API in Python

XRechnung Invoice Generator API in JavaScript

XRechnung Invoice Generator OpenAPI definition

XRechnung Invoice Generator API

XRechnung to JSON Parser

kamerozkan/xrechnung-to-json-parser

Parse XRechnung UBL or CII XML into a stable EN 16931-oriented JSON contract with pinned technical conformance findings.

Kamer Ozkan

XRechnung & ZUGFeRD Invoice Validator API

kamerozkan/xrechnung-xml-batch-validator-api

Validate XRechnung 3.0.x XML and ZUGFeRD 2.5 or Factur-X 1.09 XML/PDF with pinned rules and structured findings. Batch e-invoice validation and E-Rechnung Prüfung for accounts payable automation, Steuerberater workflows, ERP and einvoice pipelines via API, n8n, Make, or MCP agents.

Kamer Ozkan

E-Invoice Parser · XRechnung, ZUGFeRD, Factur-X, UBL

siccscha/e-invoice-parser

Parse EU e-invoices (XRechnung, ZUGFeRD/Factur-X PDFs, EN 16931 UBL & CII, Peppol BIS) into clean JSON — parties, line items, totals, VAT, IBAN — plus EN 16931 validation findings. Deterministic: no OCR, no LLM, no guessed numbers. Only successfully parsed invoices are charged.

Chris S

Peppol UBL Invoice Generator

kamerozkan/peppol-ubl-invoice-generator

Generate Peppol BIS Billing UBL from strict JSON and pass both the active 3.0.20-hotfix and announced 3.0.21 rule gates.

Kamer Ozkan

ZUGFeRD to XRechnung Converter

kamerozkan/zugferd-to-xrechnung-converter

Assess supported ZUGFeRD documents for XRechnung conversion, request missing business terms, and emit target XML only after pinned target validation passes.

Kamer Ozkan

Factur-X & ZUGFeRD E-Invoice Generator + Validator

josefbednar/factur-x-zugferd-e-invoice

Generate compliant Factur-X / ZUGFeRD e-invoices (PDF/A-3 with embedded EN 16931 XML) from simple JSON, and validate or extract existing e-invoice PDFs & XML including XRechnung. Schematron-checked, UBL export. Ready for the France & Germany B2B e-invoicing mandates.

Josef Bednář

France E-Invoice Validator API - Factur-X, UBL & CII

kamerozkan/france-einvoice-validator

Validate French UBL, CII, and Factur-X invoices against pinned France_RFE 1.4.0.02, EN 16931, and EXTENDED-CTC-FR technical rules. Offline facture electronique preflight for French invoices before Chorus Pro or Plateforme Agreee submission, ahead of France's September 2026 e-invoicing mandate.

Kamer Ozkan

Romania e-Factura Validator

kamerozkan/romania-efactura-validator

Preflight Romanian UBL Invoice and CreditNote XML against pinned UBL 2.1, CIUS-RO 1.0.1, and ro16931-ubl 1.0.9 rules.

Kamer Ozkan

Peppol BIS Billing Preflight Validator - UBL & EN 16931

kamerozkan/peppol-bis-preflight-validator

Validate UBL invoices against active Peppol BIS Billing 3.0.20 rules and preview the mandatory 3.0.21 rules effective 17 August 2026. Offline e-invoice validation for Belgium's B2B einvoicing mandate and any Peppol access point flow, with EN 16931 findings before network submission.

Kamer Ozkan