facturx-toolkit

InvoiceXML brings e-invoice compliance to your AI agent. Create, validate, convert, render, and extract structured invoices across UBL (Peppol BIS Billing 3.0, used worldwide), CII, Factur-X, ZUGFeRD, and XRechnung, all checked against the EN 16931 standard and official Schematron rules. Ask your assistant to generate a compliant invoice, validate one for errors, or convert between formats, with n

Enables AI assistants and agents to create, validate, read and convert German and EU e-invoices in ZUGFeRD, XRechnung and Factur-X formats, including extracting structured data from scanned or PDF invoices and embedding XML into PDF/A-3 files. It can run as a hosted remote server or locally, with each request authenticated by the caller's own API token.

Enables agents to create, validate, and convert legally valid e-invoices in formats like EN 16931, Factur-X/ZUGFeRD, XRechnung, UBL 2.1, and Peppol BIS.

Validates EU electronic invoices (Peppol, XRechnung, FatturaPA, etc.) and explains validation error codes, enabling AI coding agents to check invoice validity and get fixes before rejection.