Documentation & Guides

Everything you need to get started with aiDoks e-invoicing. From getting started guides to PEPPOL technical resources.

Quick Start Guide

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Introduction

Learn the basics of aiDoks and PEPPOL e-invoicing. Perfect for new users getting started with electronic invoicing.

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Your First Invoice

Step-by-step guide to creating and sending your first PEPPOL invoice with complete validation and delivery.

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PEPPOL Standards & Compliance

Deep dive into PEPPOL specifications and technical requirements

PEPPOL BIS 3.0

Comprehensive guide to PEPPOL BIS Billing 3.0 specification and compliance requirements for European e-invoicing.

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UBL Format

Understanding UBL 2.1 XML format and how to structure invoice data correctly with proper schema validation.

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Additional Resources

Get the help you need to succeed with our comprehensive support materials

FAQ

Frequently asked questions and answers about PEPPOL invoicing

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Contact Support

Get help from our dedicated support team

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Free e-invoicing tools

Jump straight into one of our free, browser-based tools — no signup required.

PDF to E-Invoice converter

AI-powered OCR turns any PDF or scanned invoice into a PEPPOL BIS 3.0 UBL XML e-invoice in seconds.

Invoice to XML converter

Generate UBL 2.1 XML from any invoice format. Start from a PDF, fill a form, or upload existing XML.

Free e-invoice generator

Create unlimited PEPPOL e-invoices online for free. No account, no credit card, no per-invoice fee.

PEPPOL BIS 3.0 validator

Validate any UBL 2.1 XML invoice against the latest EN 16931 / BIS 3.0 business rules with detailed reports.

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