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e-invoice-validator (easybill)

Validation service for UBL and CII e-invoices against EN 16931, XRechnung, Peppol BIS and Factur-X rules.

Inactive since 2025

What it does

A small HTTP service: post a UBL or CII invoice XML and get back JSON warnings and errors against the official schematron rules of EN 16931, XRechnung, Peppol BIS 3.0 and Factur-X (EN16931 and EXTENDED profiles only); status 200 means valid, 400 means problems. It runs as a Docker container on the JVM beside your own application. MIT licence.

Where it fits on the map

Not on the map: inactive.

The map places maintained projects for a company tax department or a tax authority, without a demo or paid-service flag. Everything else stays on the list with its label.

Similar projects

Of the same kind, for a shared jurisdiction or tax area. Not a ranking.

Maintain this project?

Link to this page from your README, so readers find the facts, the notes and where it fits. The badge is a small SVG served from this site.

Listed on tax-oss.com

[![Listed on tax-oss.com](https://tax-oss.com/badge.svg)](https://tax-oss.com/projects/easybill-e-invoice-validator/)
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