E-invoice compliant
via REST API.
XRechnung, ZUGFeRD, Peppol. German compliance out of the box. Production-ready in 5 minutes.
{
"seller": {
"name": "Acme GmbH",
"vatId": "DE123456789"
},
"buyer": { "name": "BigCorp AG" },
"items": [{ "amount": 1500 }]
}<?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>E-Invoices in 3 Steps
No complex XML logic, no manual validation. Automation in just a few lines of code.
Get API Key
Create your account in seconds and instantly receive your free API key for development.
Integrate SDK
Use our typed SDKs for Node.js, Python, or Go, or call the REST API directly.
Send E-Invoice
Generate valid XRechnung & ZUGFeRD PDFs and automatically send them to your customers.
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 Q1 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.
Invoice Generator API
Generate PDF, XRechnung & ZUGFeRD for 14 countries
POST /api/v1/invoice/{countryCode}/{format}/generateParser API
Extract structured data from e-invoices
POST /api/v1/invoice/parseValidator API
Country-specific validation - free without quota
POST /api/v1/invoice/{countryCode}/validateFormats API
Retrieve all supported formats and countries
GET /api/v1/invoice/formatsFrequently Asked Questions
Everything you need to know about Invoice-api.xhub.