Simple invoicing & compliant Peppol e-invoicing for Belgian businesses
Send and receive structured e-invoices via the Peppol network, stay VAT-compliant, and be ready for Belgium's mandatory e-invoicing from 2026 — all in one powerful Belgian platform.
Official Peppol Access Point

Everything you need to manage your invoicing
Powerful features designed for Belgian entrepreneurs and SMEs
Fast Invoicing
Create and send professional invoices in seconds. Automatic numbering, customizable templates, and instant delivery.
Peppol & UBL e-invoicing
Send and receive structured e-invoices directly via the Peppol network. Fully ready for Belgium's mandatory e-invoicing.
Accountant integration
Share invoices directly with your accountant or bookkeeping software. Less duplicate work, faster closings and always up-to-date numbers.
Client Management
Organize your clients, track payment history, and manage all contacts from one central dashboard.
How it works
Get started in three simple steps
Create your account
Sign up in under 2 minutes. No credit card required.
Add your clients
Easily add your clients manually. We auto-fill company data from the KBO.
Send your first invoice
Choose a template, add your items, and send. Get paid faster with integrated payment links.
Why Accai?
Discover what makes Accai different
Lightning-fast start
Get started right after signing up. Create your first invoice within minutes and send it out immediately.
Clear overview
All your invoices, clients, and payments in one clear place. You always have a complete and up-to-date picture of your financial administration.
Effortless integrations
Connect Accai seamlessly with your accountant and bank. This automates many tasks, saving you valuable time.
Lightning-fast support
Have a question? You'll find most answers in our help section. If you can't find what you need, our helpdesk is ready with a fast and personal response.
Ready to simplify your invoicing?
Join thousands of Belgian businesses using Accai. Start your free trial today.
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