NewAPI v1.1.0 with BlockTemplate & more

E-invoice compliant
via REST API.

XRechnung, ZUGFeRD, Peppol. German compliance out of the box. Production-ready in 5 minutes.

or try it in the Playground
JSON Input
{
  "seller": {
    "name": "Acme GmbH",
    "vatId": "DE123456789"
  },
  "buyer": { "name": "BigCorp AG" },
  "items": [{ "amount": 1500 }]
}
API
XRechnung Output
<?xml version="1.0"?>
<Invoice>
  <Seller>
    <Name>Acme GmbH</Name>
    <VatId>DE123456789</VatId>
  </Seller>
  <Buyer>
    <Name>BigCorp AG</Name>
  </Buyer>
  <Amount>1500.00</Amount>
</Invoice>
KoSIT Valid
Response time: 187ms
14Countries
21+Formats
200msAvg. Latency
99.9%Uptime SLA

Integrated with your tools

Shopify
Shopify
WooCommerce
WooCommerce
Shopware
Shopware
JTL-Shop
JTL-Shop
Magento
Magento
PrestaShop
PrestaShop
n8n
n8n
Zapier
Zapier
Make
Make
Shopify
Shopify
WooCommerce
WooCommerce
Shopware
Shopware
JTL-Shop
JTL-Shop
Magento
Magento
PrestaShop
PrestaShop
n8n
n8n
Zapier
Zapier
Make
Make
View all integrations

E-Invoices in 3 Steps

No complex XML logic, no manual validation. Automation in just a few lines of code.

01

Get API Key

Create your account in seconds and instantly receive your free API key for development.

bash
# 1. Create account & copy API key
export XHUB_API_KEY="xhub_sk_..."
02

Integrate SDK

Use our typed SDKs for Node.js, Python, or Go, or call the REST API directly.

bash
# 2. Build your first request
curl -X POST https://service.invoice-api.xhub.io/api/v1/invoice/de/zugferd/generate \
  -H "Authorization: Bearer $XHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d @invoice.json
03

Send E-Invoice

Generate valid XRechnung & ZUGFeRD PDFs and automatically send them to your customers.

bash
# 3. Response → PDF/A-3 with embedded EN-16931 XML
# Content-Type: application/pdf
# Ready to email or send via Peppol
Go to Quickstart Guide

API key in 60 seconds

Free to start, no credit card required. Production-ready from day one.

Features

Built for German Compliance

All important certifications and standards in one API.

14 Countries

DE, [Q2.2026 AT, CH, FR, IT, ES, NL, BE, PT, PL, CZ, HU, RO, BG] - one API call.

21+ Formats

XRechnung, ZUGFeRD, Factur-X, FatturaPA, UBL, ebInterface, and more.

KoSIT Validated

Official Schematron validation against current KoSIT schemas.

GoBD Compliant

Audit-proof archiving with 10-year retention.

Peppol Gateway

Send e-invoices directly via the Peppol network. Coming Q3 2026.

~200ms Response

Fast API responses for seamless integration into real-time workflows.

Developer-First

REST + JSON instead of SOAP/XML. No templates, no dependencies.

Automation-Ready

Integrated with Zapier, Make.com, and n8n for no-code workflows.

Enterprise-Ready

99.9% SLA, dedicated support, and on-premise option available.

Developer-First API

The Stripe of E-Invoicing APIs

While other e-invoicing solutions rely on UI platforms or complex SOAP/XML interfaces, we offer a modern REST API that developers love.

5 Minutes

to your first e-invoice

1 Endpoint

for all 21+ formats

0 Dependencies

just HTTP + JSON

APIs

4 APIs. 14 Countries. One Ecosystem.

Each API usable standalone. Perfectly combinable. Country-specific formats.

Most Popular API

Invoice Generator API

Generate PDF, XRechnung & ZUGFeRD for 14 countries

POST /api/v1/invoice/{countryCode}/{format}/generate

Parser API

Extract structured data from e-invoices

POST /api/v1/invoice/parse

Validator API

Country-specific validation - free without quota

POST /api/v1/invoice/{countryCode}/validate

Formats API

Retrieve all supported formats and countries

GET /api/v1/invoice/formats
View all APIs

Frequently Asked Questions

Everything you need to know about Invoice-api.xhub.

More questions? Contact us

Ready for compliant e-invoices?

Get started in under 5 minutes. No credit card required.