What are you looking for?
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User Manuals
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FAQ Invoice Portal
- How can I cancel or delete an invoice?
- Where is my data stored?
- Is my e-invoice secure?
- Will my attachment be lost if the invoice is converted into an XML invoice?
- I want to download my invoice as an XML file, but nothing is happening?
- Can I edit uploaded e-invoices?
- Why is my shipment status not updated?
- How can I cancel an invoice?
- I want to download my invoice as an XML file, but nothing is happening?
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FAQ Peppol
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FAQ e-invoices
- What is an electronic invoice?
- What are the legal retention periods for private and business documents?
- Comparison of energy costs and environmental friendliness between an electronic and a paper bill
- How many decimals can I put in the invoice?
- Invoice Document Types
- Peppol BIS Self-Billing
- German Electronic Business Address Format Specification for Electronic Business Transactions in Germany
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Invoicing Requirements
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
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
For further questions, please contact our support team: support@invoice-portal.de
