XInvoice
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Future expansion step

Human-readable rendering of received XRechnung invoices.

This area is intentionally marked as a separate feature block. The goal is not only to validate received XML invoices, but also to render them as readable HTML or PDF documents for end customers.

Why this matters

  • Many companies can receive XML, but cannot review the content quickly.
  • A viewer makes e-invoices immediately understandable for business users and support teams.
  • The feature can grow naturally out of the validator without overcomplicating the API.

Recommended rollout order

  1. 1. Stabilize validator and portal first.
  2. 2. Then build a secure HTML view for received XML data.
  3. 3. Optionally add PDF export and downloads later.