erp-rechnungsapi

Project information

Open-source Mini ERP demo for German & EU e-invoicing generate and validate ZUGFeRD, XRechnung, Factur-X and EN16931 invoices through the rechnungsapi.de API. Node.js + Express + React, no database, no build step.

ZUGFeRD xrechnung german factur-x en16931 e-invoice e-rechnung electronic-i... peppol invoice-vali... invoice-gene... rechnungsapi API

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MIT License

Created on

June 19, 2026

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