📄️ Validate a Factur-X/Zugferd PDF.
Factur-X/Zugferd is a standard for digital invoices. The data is encoded into an XML, which is attached to a human-readable PDF file. This endpoint checks that the given PDF has an attached XML invoice, and validates it according to the Factur-X/Zugferd specification (level EN16931). It also returns the XML invoice for further processing.
📄️ Embed a Factur-X/Zugferd XML into an existing PDF.
Factur-X/Zugferd is a standard for digital invoices. The data is encoded into an XML, which is attached to a human-readable PDF file. This endpoint embeds an existing XML invoice into a PDF file which is not yet a Factur-X/Zugferd invoice. It also validates that the XML is valid. To create a valid Factur-X/Zugferd invoice, the user has to guarantee that the provided PDF is in PDF/A format.