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Germany Mandates E-Invoicing: How to Convert PDFs to XRechnung via API

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Germany has required businesses to be able to receive electronic invoices since 2025, with an obligation to issue them following in 2027–2028, while Austria operates through ebInterface and Peppol. Many businesses face a gap because legacy software only produces PDFs, whereas regulations demand structured formats such as XRechnung or ZUGFeRD. A three-step API pipeline addresses this by first extracting invoice data from a PDF into JSON, then generating an EN-16931-compliant XRechnung in profiles including xrechnung, peppol, or en16931. The generated invoice can then be validated against the official KoSIT validator, which returns an ACCEPTABLE or REJECTED verdict along with specific violated business rules. The service is EU-hosted, stores no invoice data, and offers a free demo key, with code examples available on GitHub.

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