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API Specification

Enterpice API

This our powerful, fully REST-based platform for automated electronic invoice processing at scale.
The REST API enables:

Conversion (JSON ↔ XML ↔ PDF)
Validation (XRechnung, ZUGFeRD, XSD/XSLT)
Sending and receiving via Peppol or email
Real-time status tracking

Swagger Documentation

EASY API

This is our simplified file-based interface for quick integration without complex workflows. Perfect for small teams, pilots, and straightforward invoice processing scenarios. Specification for file transfer (incoming/outgoing):

File-based exchange of invoice data with the Invoice-Portal platform
Import and export of invoice files (XML, CSV, PDF)
Suitable for scheduled file transfers instead of real-time REST API calls

Swagger Documentation

For further questions, please contact our support team: support@invoice-portal.de