Quba is a viewer for electronic invoices
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Updated
Jul 16, 2026 - XSLT
Quba is a viewer for electronic invoices
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.
Simply select your XML e-invoice into the report, or use your own integration scenario. Follow us on linkedin: https://www.linkedin.com/company/beyondit-gmbh/
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