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E-invoicing at scale

E-invoicing, paper and PDF capture

Send and receive invoices across Europe with one provider. We manage the e-invoicing compliance, you get on with the business. 

Four reasons companies choose Inexchange

Peppol

One provider across Europe

Send and receive invoices in the Nordics, Benelux, and Europe's mandated markets with one provider. 

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Mandates, rules and standards, handled

You won't need to track what changed where. We monitor the markets we operate in and update everything according to new rules, standards, and mandates in the background.

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Control the whole invoice flow

The whole invoice lifecycle in one place: sent, delivered, acknowledged, or failed and why.

 

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Our own infrastructure, not a layer on someone else's

Most providers buy access from an operator and add their own technology on top. We run our own certified Peppol access points, and have helped develop the standards across local networks.

 

Connect-once

Invoice sending

Send invoices regardless of format

Send all your invoices through your current system or our web portal, and we'll take care of the rest. Whether it's electronic, paper, PDF or email, invoices find their way to the right recipient, every time.

Recieve invoices in any format

Invoice receiving

Receive all invoices electronically

Network e-invoices, PDFs by email and scanned paper all arrive in the same flow and reach you as structured data. Whatever your suppliers send, you get a clear view of your spend and all your invoices in one place.

Invoicing formats and delivery routes

The right format, the right route

Every invoice needs three things to line up: the format its recipient requires, a route that reaches them, and a way for you to send it to the network.

Formats and standards

We support a wide range of local and cross-border formats and standards across Europe. We keep current ones up-to-date, and add more as mandates, regulations, and customer needs change.

Delivery routes

We always find the fastest, cheapest and safest route for each invoice. It goes without saying that e-invoice is always our first choice, but if electronic sending is not possible, invoices can also be delivered through email or mail.

 

Our delivery routes include for example:

  • Peppol and interoperability networks 
  • NemHandel over eDelivery
  • National platforms and networks, e.g. KSeF, SDI
  • Digital Post: e-Boks, mit.dk, Kivra, OmaPosti
  • Consumer online banking and Vipps eFaktura
  • Email, with delivery monitored
  • Print and post

Connection methods

Connect with us the way that fits your systems and your organisation, whether that's API, direct web portal upload, or scheduled file transfers.

  • REST API

  • SFTP or blob storage

  • Folder connector, no development at your end

  • Virtual printer

  • Portal upload

  • PDF by email

 

Already available with:

SAP, Unit4, Microsoft Dynamics 365 BC, Oracle, Visma, and hundreds more.

 

Building this into your own product instead? See our Partner API.

Updated September 2026

Supported formats and markets

Our approach is to handle the formats you need and provide the necessary conversions. If a conversion doesn’t already exist, we'll develop it.

17 formats
13 markets
Format Market
Peppol BIS Billing 3.0 Cross-border
OIOUBL 2.1 + OIOXML Denmark
Peppol BIS Billing 3.0 Norway
Svefaktura 1.0 + Peppol BIS Billing 3.0 Sweden
Finvoice + TeappsXML Finland
XRechnung (CII & UBL) Germany
ZUGFeRD (EN 16931 & XRechnung CII) Germany
Factur-X / FR UBL/CII CIUS / FR UBL/CII Extended France
FA(3) Poland
Peppol BIS Billing 3.0 Belgium
UBL 2.1 HR CIUS Croatia
Peppol national profiles NL, Iceland, UK
Slovak B2B (Peppol BIS Billing 3.0) / MLS Slovakia
Payment files, electronic bank transfers Denmark (NemKonto, Public Regions)
EDIFACT Cross-border
Digital post memo format Denmark
FatturaPA Italy

PDF routing, in both directions

PDFs and paper might still make up parts of most invoice flows. We convert them in both directions, so they arrive to you as structured data and go out as compliant e-invoices.

Sending PDF invoices

Send PDFs directly from your system and we deliver it as a compliant e-invoice in the needed format, whether that's XRechnung, OIOUBL or Peppol BIS. A PDF on its own doesn't meet the requirements of an e-invoice.

Receiving paper and PDF invoices

Receive supplier invoices whatever form they arrive in. PDFs by email and scanned paper are converted to structured data and they arrive in your system in the same flow e-invoices.

One provider, European reach

Where we deliver

Sweden

Peppol and the national networks

Norway

Peppol and EHF

Finland

Peppol and the operator networks

Denmark

NemHandel and Peppol on one registration

Germany

XRechnung and ZUGFeRD

Netherlands

Peppol

Belgium

Peppol, inside the B2B obligation

France

Factur-X, ahead of the obligation

Poland

KSeF, the only permitted route

Italy

SDI, the only permitted route

Your route to Europe

ViDA sets the direction for the whole EU, with country-by-country mandates following on similar timelines. Even more countries are reachable through our networks. 

Invoicing into a market that is not listed?

Just ask! We develop connections to new countries constantly, and can't wait to hear about your needs.

More from Inexchange

Sending and receiving e-invoices is the heart of what we do, but we offer more than just that.

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Accounts payable automation

What happens after an invoice arrives: approval flows, matching against orders and receipts, and posting into your finance system.

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EDI and supply chain messaging

Orders, order responses, despatch advices and catalogues over EDIFACT and Peppol, for customers who need more than invoices.

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Document validation and fraud detection

Checks on the invoice itself: VAT and company identity, payment terms against agreement, and a warning when bank details change.

Inexchange for enterprises

High volumes, several markets, multiple entities and systems that all have to keep running. Tell us what your setup looks like and let's get started.

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Inexchange for software providers

Add e-invoicing capabilities into your software via the Inexchange API without any additional hassle.

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Frequently asked questions about our e-invoicing solutions

No. You keep sending and receiving in whatever format your system already produces. Conversion happens in our flow, and documents are checked against the relevant standard on the way in and again after conversion, because conversion is itself somewhere errors appear.

Yes. Send the PDF and we deliver a compliant e-invoice, including XRechnung and OIOUBL. It runs on a document quota and expects a consistent layout. Replacing a finance system to meet a mandate is expensive and usually unnecessary

You scan the paper and forward it, and it is interpreted line by line and delivered to you as structured data in the same flow as everything else. A managed scanning service is available on the higher inbound tiers.

The recipient lookup decides per invoice. Where a country mandates its own platform, such as KSeF in Poland or SDI in Italy, the invoice goes there instead. The file you send does not change. Links to “Which markets require what”.

Print and post is the last step in the fallback chain. We handle it directly in Sweden and Norway, and in further markets through our print partner, so ask about the specific countries you invoice into.

We do. That is the substance of what you are buying: one agreed interface with your system, and the mapping, market rules and connectivity maintained outside it. A rule change does not land on your backlog.

A file transfer or portal setup runs in days. A full integration runs as a project over a few weeks, and the mapping is often built in a single joint session once we have your sample files.

Yes. Our small business services start at a handful of invoices a month with no integration project. If you send a few hundred invoices a year, that is the better fit and the better price.

Contact sales to discuss your e-invoicing

  • Compliance across Europe: ViDA, Peppol and national mandates covered with one platform

  • One of the largest networks for digital business documents in the Nordics

  • Integration with your existing business systems

  • One partner across the Nordics, Benelux and Europe’s mandated markets