EU E-Invoicing Platform

Invonio

Legally valid EU e-invoices in one minute — minus the accounting suite

Invonio turns a simple web form or an API call into a compliant, structured EU e-invoice — ZUGFeRD/Factur-X, XRechnung and Peppol BIS — then validates, delivers and legally archives it, and parses the invoices you receive back into a readable view. Built API-first for freelancers and small businesses facing the 2026 mandates in Germany, France and Poland.

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Key Features

One canonical invoice, every EU format, sent and archived — for the smallest businesses

ZUGFeRD / Factur-X, XRechnung (CII & UBL) and Peppol BIS Output

Live EN 16931-Correct VAT Totals as You Type

Hybrid Factur-X PDF with Embedded XML (PDF/A-3)

Email & Peppol Delivery with SHA-256 Legal Archive (GoBD)

Inbound Receiving — Parses Any Format Back to a Clean View

API-First with a Versioned REST API and Self-Serve Tokens

Pricing

Invonio is planned from €7/month for freelancers, with a Business tier for accounting firms and API integrators. Currently in development ahead of the 2026 mandates.

Free Consultation

The mandate is coming. The accounting suite isn't required.

Issue a legally valid e-invoice in about a minute — Germany today, France and Poland next.

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