The eInvoicing Outbound supports three delivery scenarios. All three share the same setup in BI Publisher and Document Control; they differ in the eInvoice format and in how the eInvoice reaches the customer

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API Delivery via Broker

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• Route: Broker → Secure Network → Customer via API
• Format: UBL XML / JSON with embedded pdf
• Typical Use: Customers who delivery eInvoices via the Peppol network

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Delivery via e-Mail

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• Route: E-mail directly to the customer, no broker
• Format: ZUGFeRD PDF/A-3 with embedded CII XML
• Typical Use: Germany (ZUGFeRD format)

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API Delivery with Broker through Government Portal

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• Route: Broker API → Government Portal → Customer via API
• Format: FA(3) XML, PDF with KSeF QR Code
• Typical Use: Poland, Portugal or Italy.