Legally compliant German e‑invoices via API

Save development time and legal effort. Generate all German business documents (including XRechnung and ZUGFeRD) with a single integration.

GDPR compliant
Secure & reliable
Free to try
Example invoice

Everything you need for your documents

From quotes to XRechnung e-invoices – create all your business documents through a single, intuitive API.

All document types

Generate not just invoices but also credit notes, quotes, order confirmations, purchase orders and delivery notes – all through the same interface.

E-invoicing made easy

Effortlessly create legally compliant XRechnung and ZUGFeRD documents for B2B, or standard PDFs for B2C.

Simple integration

Our clear API documentation and intuitive endpoints make connecting your systems quick and straightforward.

Customizable designs

Match your PDF documents to your corporate design with flexible themes, fonts and letterheads.

GDPR compliant

All API data is processed and stored exclusively on German servers. The highest data protection standards and full GDPR compliance, guaranteed.

Custom extensions

Need special functionality? We extend the API to fit your requirements and support you with the integration into your systems.

Double-entry bookkeeping – fully automated via API

Generate the matching journal entries for your financial accounting alongside your documents. Our API enables seamless, highly automated posting of all business transactions.

Journal entry

DebitCredit

1800 Bank

4200 Revenue

119,00 €

100,00 €

3800 VAT

19,00 €

Frequently asked questions

See for yourself

Start for free and create your first invoice in minutes. Discover how easy automating your accounting can be.