Code examples for creating, validating, and parsing UBL 2.1 e-invoices and Peppol BIS Billing 3.0 documents via the InvoiceXML REST API. Samples in C#, Java, PHP, Python, Node.js, and browser JavaScript, covering the Peppol, NLCIUS, EHF, XRechnung UBL, and PINT profiles, plus PDF rendering and AI-powered PDF to UBL conversion.

Code examples for creating, validating, and parsing UN/CEFACT Cross Industry Invoice (CII D16B) XML, the EN 16931 syntax behind ZUGFeRD and Factur-X, via the InvoiceXML REST API. Samples in C#, Java, PHP, Python, Node.js, and browser JavaScript, plus AI-powered PDF to CII conversion.

Factur-X REST API code examples in C#, Java, PHP, JavaScript, Node.js, and Python - create, validate, and extract EN 16931-compliant invoices.

Code examples for creating, validating, and extracting ZUGFeRD 2.3 e-invoices (PDF/A-3 with embedded EN 16931 XML) via the InvoiceXML REST API. Samples in C#, Java, PHP, Python, Node.js, and browser JavaScript, plus AI-powered PDF to ZUGFeRD conversion. Ready for the German B2B e-invoicing mandate.

Code examples for creating and validating XRechnung 3.0 e-invoices (EN 16931 XML, KoSIT-compliant, CII and UBL syntax) via the InvoiceXML REST API. Samples in C#, Java, PHP, Python, Node.js, and browser JavaScript, plus AI-powered PDF to XRechnung conversion. Ready for German B2G invoicing via ZRE, OZG-RE, and Peppol.

InvoiceXML MCP Server for global invoice compliance: Factur-X, ZUGFeRD, XRechnung, CII and Peppol BIS Billing 3.0 UBL