Welcome to docs101
docs101 is a European invoicing and CRM platform designed for freelancers, small businesses, and agencies. Create legally compliant invoices, manage customers, validate VAT IDs, and keep your accounting organized — all from one place.
What you'll find here
This documentation is organized into four sections to help you find exactly what you need:
Getting Started
New to docs101? Start here. We'll walk you through setting up your company, creating your first customer, and sending your first invoice — step by step.
Guides
Task-oriented walkthroughs for everything you can do with docs101. From customizing invoice templates to exporting data for your accountant.
Reference
Detailed descriptions of every field, status, code, and option. The go-to place when you need to know exactly what a specific setting does.
Concepts
Background knowledge on topics like ZUGFeRD, VIES validation, and EU compliance standards. Understand the "why" behind the features.
Quick links
| I want to... | Go to |
|---|---|
| Set up my company for the first time | First Steps |
| Create and send my first invoice | Your First Invoice |
| Check a PDF invoice for e-invoice compliance (XML) | PDF Validation Tool |
| Customize my invoice template | Customize Templates |
| Validate a customer's VAT ID | VAT ID Validation |
| Export data for my accountant | Accounting Export |
| Understand e-invoicing formats | ZUGFeRD and E-Invoicing Formats in the EU |
| Connect Clockify time tracking | Clockify Integration |