Blog
Guides, compliance updates, and integration tutorials from the xingen team.
Guides, compliance updates, and integration tutorials from the xingen team.
Since January 2025, German law requires structured electronic invoices for all B2B transactions. Here's what changed, who is affected, and what you need to do.
Both formats are EN16931-compliant, but they serve different purposes. This guide explains the technical differences and helps you pick the right one.
A practical walkthrough of wiring the xingen REST API into a Node.js billing service — from authentication to parsing structured validation errors in your UI.