XRechnung

Germany's CIUS of the EN 16931 standard for B2G and B2B. Invopop generates the XRechnung UBL or CII XML from GOBL, adds the Leitweg-ID buyer reference, and routes it over Peppol to the receiver.

Implementation docs

UBL or CII syntax

XRechnung UBL V2.0 or CII V3, generated from the same GOBL source.

EN 16931 CIUS

Output conforms to Germany's national CIUS maintained by KoSIT.

Leitweg-ID handling

Public-sector invoices carry the Leitweg-ID buyer reference required for B2G submission.

Peppol transport

Pairs with the Peppol app to reach the receiver's Access Point.

ZUGFeRD

A hybrid PDF/A-3 invoice with embedded EN 16931 XML. Invopop produces ZUGFeRD V2 as UN/CEFACT CII, and the same engine also covers France's Factur-X V1 from a single GOBL source.

Implementation docs

ZUGFeRD V2

Generated as UN/CEFACT CII built on the Supply Chain Reference Data Model for the German market.

Factur-X V1

The same CII output covers France's hybrid invoice profile.

EN 16931 aligned

Both formats follow the European semantic invoice standard.

PDF

The universal visual invoice that works for any recipient. Invopop renders a branded, multilingual PDF from the same GOBL source, with every field the destination country requires, locale-correct formatting, and built-in email or webhook delivery.

Implementation docs

Every field, every format

PDFs include every field the destination country requires, automatically.

Localized in 10+ languages

Issue invoices in English, Spanish, German, Italian, Portuguese, Arabic, Greek, Polish, and more, with locale-correct date and number formatting.

Built-in email delivery

Invoices are emailed directly to clients from Invopop's domain or your own.

Invoices, credit notes and more

Produce standard invoices, proforma invoices, credit notes, corrective documents, and receipts.

Customisable templates

Templates support logo configuration, standard page layouts, and per-locale formatting.

Built on GOBL

Rendered from GOBL, the open-source invoicing standard, for full transparency and no vendor lock-in.