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Government e-invoicing mandates are expanding. Legacy invoicing systems are breaking

More and more countries now require e-invoicing. In those countries, PDF invoices and manual portals lead to rejected invoices, late payments, and fines.

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The legacy PDF invoicing problem

  • Non-compliant formats Flat PDF invoices get rejected by business buyers and government portals in mandate countries.
  • Fragmented local providers Using a different vendor in every country creates operational chaos and high subscription costs.
  • Delayed payment cycles Manual clearance checks and missing invoice fields stall accounts receivable and slow cash flow.
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The Quaderno E-Invoicing solution

  • Structured XML generation Automatically converts invoice data into Peppol BIS, Factur-X, UBL, and local XML formats.
  • Unified platform One platform connects your billing engine to government portals across Europe.
  • Instant government clearance Transmits the required sales data in real time, so your B2B buyers can approve payments right away.

Everything you need to clear digital invoicing rules

From Peppol to real-time reporting, Quaderno handles the formats, networks, and government portals that European e-invoicing mandates require.

  1. Quaderno list of issued invoices with a QR code, ready to be sent as structured e-invoices

    Seamless Peppol network integration

    Handle Peppol e-invoicing end to end. Send and receive structured business documents across the Peppol network. Quaderno routes your invoices through a certified Peppol access point partner, connecting you to buyers and public entities across Europe.

  2. Quaderno invoice marked with the Verifactu badge after being reported to the Spanish tax authority in real time

    Real-time government digital reporting (CTC)

    Meet Continuous Transaction Control rules without extra work. Quaderno transmits mandatory transaction data directly to local tax authority portals in real time, fulfilling government clearance requirements as sales happen.

  3. Quaderno dashboard with a real-time validation confirmation

    ViDA and European Union readiness

    Prepare your business for the EU’s VAT in the Digital Age (ViDA) initiative. Quaderno issues e-invoices that follow the EN 16931 standard and meet the mandatory B2B e-invoicing rules across EU member states.

  4. Quaderno invoice generated in the Facturae XML format required by the Spanish public administration

    Automated format transformation

    Never worry about technical invoice specifications again. Quaderno generates your invoices in the structured formats European mandates require, including UBL, Factur-X, and local XML standards, so your team never has to build them.

Customizable Quaderno invoice template with a space for your company logo

The right invoice for every sale

  • Automatic invoices and receipts

    Not every market requires e-invoicing yet. Where a PDF is enough, Quaderno sends a tax-compliant invoice or receipt, in PDF or HTML, the moment a sale happens.

  • Credit notes on autopilot

    Refunds and chargebacks get a matching credit note automatically, so your invoice sequence and tax records stay correct.

  • Every language and currency

    Send invoices in 10+ languages and your customers’ local currencies, with every document stored in the cloud for audits.

  • Ready for e-invoicing when you are

    When a country makes e-invoicing mandatory, Quaderno switches to structured e-invoices through the same integration. No new vendor, no migration.

A unified platform for e-invoicing solutions

Three steps to total e-invoicing compliance.

  1. Connect your billing stack

    Link Quaderno to your checkout or custom platform in a few clicks, or through our lightweight REST API.
  2. Automate invoice generation

    Quaderno validates tax IDs and generates each invoice in the structured format the mandate requires.
  3. Transmit and archive securely

    Invoices clear local tax portals and go straight to your buyer, while being stored in audit-ready cloud archives.

E-invoicing mandates we support

Where you can issue compliant e-invoices today, and what’s coming next.

E-invoicing mandates supported by Quaderno. Last reviewed: .
CountryMandate
SpainVerifactu, TicketBAI, and Facturae
FranceB2B e-invoicing reform (Factur-X, UBL)
GermanySoonB2B e-invoicing (XRechnung, ZUGFeRD)
PolandSoonKSeF national e-invoicing system
ItalySoonSdI (FatturaPA)

We’re adding new countries regularly. Tell us which markets you need

SaveTheProof logo

Quaderno's Verifactu integration has been super easy for us, practically plug and play. We were very impressed by the Quaderno team for for their support - we had it working in no time and it fits perfectly with our invoicing system.

Eduardo Hervás
Eduardo HervásCEO, SaveTheProof
  • 150+countries supported for tax and invoice rules
  • 99.99%uptime SLA for real-time digital document delivery
  • $14B+in sales processed through Quaderno

One platform for every step of tax compliance

Digital invoice clearance powered by a complete tax intelligence network.

  • Quaderno real-time nexus tracker flagging Florida as threshold crossed and New Mexico as ready to start registration

    Monitor

    Track global sales volume, US economic nexus, and international VAT and GST registration thresholds in real time across 150+ countries.

    Explore Monitor

  • Quaderno sales report listing the VAT, GST, and sales tax rates applied in Argentina, Canada, the EU, Germany, and Spain

    Tax Engine

    Calculate exact sales tax, VAT, and GST in milliseconds at checkout using our developer-friendly sales tax API.

    Explore Tax Engine

  • Quaderno tax filing setting with the Auto-file my returns toggle switched on

    Filing

    Put tax returns on autopilot anywhere you sell. Download audit-ready reports or let Quaderno file directly on your behalf.

    Explore Filing

Frequently Asked Questions

What is e-invoicing?

E-invoicing, or electronic invoicing, is the exchange of invoices in a structured digital format, such as XML, that software can read and process automatically. Unlike a PDF, a structured e-invoice can be validated, sent through networks like Peppol, and reported to tax authorities in real time. A growing number of countries now require it for B2B and B2G sales.

What is Peppol?

Peppol is an international network and set of standards for exchanging structured business documents like invoices. Companies connect to it through certified access points, so an invoice sent from one country can be received and processed automatically by a buyer or public entity in another. Peppol is used across Europe and in countries such as Australia, New Zealand, and Singapore.

What is ViDA?

ViDA, short for VAT in the Digital Age, is the European Union’s reform to modernise VAT. It makes structured e-invoicing based on the EN 16931 standard the default for EU invoices and introduces real-time digital reporting for cross-border B2B transactions between member states.

What is Quaderno E-Invoicing?

Quaderno E-Invoicing is electronic invoicing software that turns your sales data into compliant structured invoices and delivers them to your buyers and to tax authorities. As an e-invoicing platform, it generates the right format for each country, sends invoices through Peppol and local government portals, and archives them for audits. It’s part of the Quaderno platform, alongside Monitor, Tax Engine, and Filing.

Which e-invoicing formats does Quaderno support?

Quaderno generates Peppol BIS Billing, UBL, CII, and Factur-X invoices, as well as local XML formats required by national mandates. Quaderno generates the file for you, so your team never has to handle technical specifications.

Which countries does Quaderno support for e-invoicing?

Quaderno supports e-invoicing in Spain and France today, with Germany, Poland, and Italy coming soon. It connects your billing to each country’s tax authority portals and to the Peppol network, which it reaches through a certified access point partner. See the full list of supported countries and mandates.

Does Quaderno have an e-invoicing API?

Yes. The same REST API that calculates tax and records sales also issues e-invoices in the formats national mandates require, so you add e-invoicing without a second integration. See the e-invoicing developer guide for the formats supported today.

Is Quaderno a Peppol access point?

Quaderno sends and receives Peppol e-invoices through a certified Peppol access point partner, so you get Peppol delivery without becoming an access point yourself or signing up with a separate provider.

Can Quaderno issue invoices in multiple currencies and languages?

Yes. Quaderno sends invoices in 10+ languages and in your customer’s local currency, with the correct VAT, GST, or sales tax for their location on every invoice. Where a country requires e-invoicing, the same invoice goes out in the structured format the mandate requires.

Does Quaderno calculate tax on invoices automatically?

Yes. Quaderno works out the VAT, GST, or sales tax for each sale from the customer’s location, product type, and tax ID, and puts it on the invoice automatically. Refunds and chargebacks get a matching credit note, so your invoice sequence and tax records stay correct.

How much does Quaderno E-Invoicing cost?

E-invoicing is included in every Quaderno plan, with no add-on fees. Plans are priced by monthly transaction volume, and every plan starts with a 7-day free trial with no credit card required. If you process more than 2,500 transactions a month, you can get a custom Enterprise plan. See all plans and prices, or schedule a demo to review your mandate requirements with our team.

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