Peppol Electronic Invoicing Solution for BelgiumFinally a simple, efficient and affordable Peppol invoicing software for merchants and independents!
Compliant electronic invoicing for Belgian merchants and independents


Try Peppol Box for 5 days for only €5
Register today on the Peppol network, you are immediately compliant thanks to Peppol Box By Flexina
The all-in-one solution for your electronic invoicing
Peppol Box centralizes the reception, sending and management of all your business invoices in one place.
Automatic supplier invoice reception
All invoices sent by your suppliers via the Peppol network are received in a simple and secure interface
No more need to sort your emails or manage PDF files: your documents arrive organized
Ready to be consulted or transmitted to your accountant
Get your Peppol electronic reception address in just a few minutes

Receipt scanning and PDF invoice import
Group all your business expenses, even outside Peppol
Scan your receipts or easily import PDF invoices (subscriptions, foreign invoices, etc.)
Documents are converted to the right format, filed and available in one place
Receive a dedicated email address to automatically forward all your supplier invoices in PDF format
Use Flexina Scan to scan your receipts, available on App Store and Google Play

Quick customer invoice sending
Create and send your invoices in full compliance, without technical complexity
Send invoices to other companies via the Peppol network, and to individuals in PDF format
Simplified invoicing, adapted to your needs, even for low volumes
Add a payment QR code to your invoices to get paid faster

Simplified accounting export with Flexina Sync
All your invoices can be transmitted to your accountant in a directly usable format
Thanks to our free Flexina Sync tool, no more need to manually handle files
Your accountant retrieves the data in the right format, without wasting time or errors

Peppol Box now available on mobile
View and manage your Peppol invoices directly from your smartphone or tablet
Receive real-time notifications when new electronic invoices arrive
Mobile-optimized interface for quick and efficient document management
Automatic synchronization with your Peppol Box web account for unified access

Everything you need to manage your quotes
Generate polished quotes with your logo, terms and prices. Send them directly to your clients in one click
Your clients sign their quotes online, no printing or scanning needed. You are notified as soon as the signature is completed
Manage installment payments with deposit and balance invoices generated from the quote
Turn an accepted quote into an invoice in one click. All data is automatically carried over
Add-on module — not included in the base plan, available as an option

Receive your self-billing invoices directly in Peppol Box
Large retailers, agricultural cooperatives, major contractors… Your client issues invoices on your behalf? They arrive automatically in Peppol Box
No more self-billing invoices lost in emails or postal mail: everything is centralized, organized and accessible in one click
Forward your self-billing invoices to your accountant in one click, in electronic or PDF format, via Flexina Sync or email
Self-billing via Peppol is now mandatory in Belgium for all B2B invoices, including invoices issued by your clients on your behalf
Add-on module — not included in the base plan, available as an option

Your ERP or billing software is not Peppol compatible?
With our new custom service, Peppol Box Integrations, you continue using your current tools while meeting the 2026 electronic invoicing requirement
We adapt your system: API connection, automatic PDF conversion, or transformation of your exports (CSV, Excel, JSON) to Peppol format
Setup is fast, without ERP migration, and fully compliant
Our personalized AI guarantees near 100% accuracy in converting your documents
Discover our PDF to Peppol conversion service with personalized AI →
This service is not included in the discovery offer. To test the API, XML sending, or PDF sending, first order the discovery offer at €5 for your Peppol registration, then contact us to order the custom service you need.
Discover Peppol Box by FlexinaPeppol Box by Flexina
See for yourself how to receive and send your Peppol invoices in just a few clicks
Frequently asked questions about Peppol and electronic invoicing
Everything you need to know about Peppol and the e-invoicing obligation in Belgium
What exactly is Peppol?
Peppol (Pan-European Public Procurement On-Line) is the standardized European network for exchanging electronic invoices. Mandatory for B2B since January 2026 in Belgium.
How do I get a Peppol identifier?
Your unique Peppol identifier is automatically generated when you register. It allows your suppliers to send you their electronic invoices.
Is Peppol mandatory in Belgium?
Yes, since January 1, 2026, all Belgian companies must receive their B2B invoices via the Peppol network. Paper and email invoices are no longer legally accepted.
How does Peppol Box work?
Peppol Box is your compliant gateway to the Peppol network. Once registered, you automatically receive all your electronic invoices in your simple and intuitive interface.
How much does Peppol electronic invoicing cost?
Our rates start at €5 excl. VAT/month for less than 100 invoices per year. Progressive rates according to your volume, no commitment.
What if I receive more invoices than expected?
Unlike competitors, we practice fair pricing with no traps. If you exceed your plan by less than 15%, it's free. Beyond that, you only pay the actual difference at the next rate, with no hidden fees or penalties.
How do I get compliant?
Create your Peppol Box account now and start receiving your invoices via Peppol. The obligation is already active — the grace period ends March 31, 2026.
How do I receive my Peppol invoices in Belgium?
With Peppol Box, reception is automatic. As soon as a supplier sends you an invoice via Peppol, it arrives instantly in your inbox. You are notified, can view it, approve it and export it to your accounting.
How can I efficiently manage my Peppol purchase invoices?
Peppol Box offers complete management: centralized reception, sending to your professional customers, automatic sorting by supplier, advanced search, one-click validation, direct accounting export. Everything is designed to simplify your invoice management.
Can my suppliers send me Peppol invoices?
Yes! As soon as you register, you receive your unique Peppol identifier to communicate to your suppliers. They can immediately send you their electronic invoices via the Peppol network.
How do I export my Peppol invoices to my accounting?
1-click export to all Belgian accounting software: BOB, Sage, Exact, WinBooks, Odoo, etc. XML UBL 2.1 or PDF formats according to your needs. No more manual entry!
Can we send invoices to individuals on Peppol?
No, for now, the obligation to issue electronic invoices in Belgium is only for exchanges between Belgian VAT-registered businesses (B2B). Invoices to individuals (B2C) are not affected by this obligation and do not go through the Peppol network.
Can we send and receive invoices from abroad on Peppol?
Yes, some companies are already connected to the Peppol network in other European countries. You can exchange electronic invoices with business partners located in France, Germany, Netherlands, Italy and many other Peppol network member countries.
More questions about Peppol electronic invoicing?More questions about Peppol?
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