Software advice
Best AI E-Invoicing Software in 2026
AI e-invoicing software is a service that creates, validates, sends and receives structured invoice files, such as Peppol UBL, between trading partners and tax authorities, and uses machine learning to read incoming documents, suggest coding or flag errors. It differs from a PDF invoicing tool, which only produces a printable document, and from an ERP, which merely stores the ledger entries.
Quick answer
Billit ranks first because its monthly prices, ISO 27001 certificate and EU hosting are printed. B2Brouter fits small firms that want a free tier with yearly prices. Invopop fits developers who must cover many tax authorities through one API. Qvalia fits Peppol buyers that want AI coding.
A finance lead who buys e-invoicing software in 2026 is usually reacting to a mandate, not shopping for a feature. Belgium, France, Poland and others have set dates, and the question is which network connection will carry the invoices without a rejection. The AI claims matter less than three plain things: who prints a price, which certifications are stated, and where the documents sit. Most enterprise vendors quote only after a call, so this ranking rewards what a buyer can check on a public page. We read vendor pages in November 2026 and ran no invoice volumes through any of them.
The 10 best AI e-invoicing software in 2026, ranked
There is no score. Vendors can pay for more visibility on this website, for example a higher place in a ranking or more room on a page. Commercial relationships can also affect which products we feature and how prominently. How we rank.
| # | Tool | Best for | Free plan | Entry price |
|---|---|---|---|---|
| 1 | Billit | Belgian freelancers and small companies that want Peppol sending and receiving at a printed monthly price | Trial | €7.50 per month, up to 25 documents |
| 2 | B2Brouter | Small firms that issue few invoices and want a free start with yearly prices | Yes | Free Basic plan, Professional €110 per year |
| 3 | Invopop | Software companies that must reach many national tax systems through a single API | Yes | Free Dev plan, Pro €500 per month |
| 4 | Qvalia | Nordic and Benelux companies wanting a Peppol connection plus AI-assisted posting of supplier invoices | No | From €9 per month, Connect plans |
| 5 | Digiteal | Belgian software vendors that want Peppol, payments and bank access from one licensed provider | No | €295 per year for direct integrators |
| 6 | Comarch e-Invoicing | Companies with Polish, Italian or multi-country mandates that want a SaaS platform with archiving | No | Quoted |
| 7 | Basware | Large finance teams that want invoice network, AP automation and AI coding in one procure-to-pay suite | No | Quoted |
| 8 | Fonoa | Global software and marketplace companies that want one e-invoicing API and a tax knowledge layer across many countries | No | Quoted |
| 9 | Esker | Multi-country groups wanting e-invoicing inside a wider document and finance automation suite | No | Quoted |
| 10 | Scrada | Belgian shops and restaurants that combine Peppol with digital receipts and cash bookkeeping | Trial | Quoted |
- 1
Billit
Billit ranks first because a buyer can check almost everything: tiers with prices, a 15-day trial without a card, ISO 27001:2022, Peppol certification and a trust page naming production in the Netherlands and Ireland. The weak spot is AI. Its pages describe scanning of receipts and purchase invoices but no AI features, and they do not say how customer data is used for AI.
Strong on
- Document-based tiers are printed, from €7.50 a month, with overuse billed per extra document
- Trust page states ISO/IEC 27001:2022, OpenPeppol access point certification and EU production hosting
- Accountants get free access, and Peppol is included in every paid plan
Weak on
- No AI features are named on the pages read, only scanning of receipts and purchase invoices
- Above 1,000 documents a month the price is a customized proposal
Skip it if: Groups that need tax-authority connections in several countries or an enterprise contract with service levels. Tiers rise to €25 for 500 documents and €250 for 1,000. Extra users cost €5.
- 2
B2Brouter
B2Brouter takes second place because it prints three plans with yearly prices and states ISO 27001 and Peppol access point certification. The free plan is tight, at 24 transactions a year. The page lists OCR for received invoices but names no AI features, and it gives no data center location beyond processing within the European Economic Area.
Strong on
- Plans are printed: free, €110 and €300 per year, plus taxes
- States ISO 27001 certification, Peppol access point status and EESPA membership
- Business plan includes legal invoice archiving and sending other documents via Peppol
Weak on
- Free Basic plan caps at 24 transactions a year and one bank account
- OCR is listed, but no AI features and no hosting location appear on the page read
Skip it if: Companies sending thousands of invoices a month that need negotiated volume terms and written service levels. Basic allows 24 transactions a year and one user. Business at €300 a year adds 10 users and legal archiving.
- 3
Invopop
Invopop sits third because its price sheet is long and exact: plans, Pop bundles, per-action costs and the monthly charge per government app. It states more than 30 countries and gives ISO 27001 access on paid plans. It ranks below the Peppol-only tools for a plain company, since it is a developer product, and its privacy page lists providers outside the EU.
Strong on
- Full price sheet, including that a Polish KSeF submission costs 2 Pops and an Italian SDI one costs 3
- Over 30 countries supported, with the first government app free
- Hosting providers listed in Belgium and Germany on the privacy page
Weak on
- Local e-invoicing providers in Mexico, Colombia and Brazil process some data outside the EU
- Needs developer time, and the pages read mention no AI features
Skip it if: Accountants and small firms without engineers who just want to send and receive invoices from a screen. Pops come in bundles from €40 a month for 1,000. Each government app after the first costs €300 monthly.
- 4
Qvalia
Qvalia is fourth because it combines a printed entry price with the most specific AI wording among the Peppol specialists: assisted posting suggestions, AI classification in spend analytics and an MCP server for agents. It states ISO/IEC 27001 and 99.8 percent monthly availability. Hosting is not stated on the page read, and anything above the entry plan needs a conversation.
Strong on
- Connect plans from €9 a month are printed on the home page
- AI-assisted suggestions for posting, AI classification, and a Peppol MCP server
- States ISO/IEC 27001, 99.8 percent monthly availability and OpenPeppol AP and SMP certification
Weak on
- Hosting location is not stated on the page read
- Partner and enterprise prices are not published on the page read
Skip it if: Buyers who need a vendor to name its hosting region and AI data policy on a public page before the first call. Connect plans are billed monthly. Partner and enterprise pricing depends on volume and delivery model, with no figure given.
- 5
Digiteal
Digiteal ranks fifth because it prints Peppol prices in unusual detail and holds ISO 27001 together with a payment institution licence. The price table is built for integrators, which makes it harder to read for an end user. Its pages mention no AI features and do not state any hosting location. A buyer should confirm both points by email.
Strong on
- Peppol pricing is public for both software providers and direct integrators
- States ISO 27001 and certification by the National Bank of Belgium
- Payments and Open Banking sit in the same API as Peppol
Weak on
- No AI features are mentioned on the pages read
- End-user prices depend on the software provider that resells the service
Skip it if: A finance team that wants a ready-made screen for sending invoices without any integration work. The package covers up to 2,400 documents a year. Software providers pay €365 setup plus an €85 monthly minimum.
- 6
Comarch e-Invoicing
Comarch is sixth because the product page is detailed on scope: validation, exchange and archiving, 60 or more countries, KSeF and SdI links, ISO/IEC 27001 and Peppol. AI shows in fraud detection and OCR indexing. No prices are published, and the page names no data center locations, so a buyer learns the cost only after scoping.
Strong on
- Covers validation, exchange and archiving, with direct links to national platforms such as KSeF and SdI
- Applies AI and machine learning to fraud patterns and OCR to scanned invoices
- On-premise deployment is offered alongside the SaaS option
Weak on
- No price list, and no data center locations on the page read
- Scoping depends on volume, countries and integrations, which lengthens evaluation
Skip it if: A very small firm that needs a monthly plan it can start on its own. SaaS is a subscription based on document volume, countries and integration effort. On-premise needs a one-time license.
- 7
Basware
Basware is seventh because its AI vocabulary is the richest of the suites: InvoiceAI for PO and non-PO invoices, SmartCoding, SmartPDF and Invoice Matching, with a stated one billion AI actions a year. The page lists ISO 9001 and ISO 27001 links but no hosting, and no price. It is built for large AP teams, not for a first Peppol connection.
Strong on
- Named AI products for PO and non-PO invoices, coding and matching
- Network offers receiving, sending, enrichment and an archive called Vault
- ISO 27001 and ISO 9001 certification pages are linked from the footer
Weak on
- Hosting and pricing are not stated on the page read
- Scope suits large AP departments, so a small buyer pays for unused modules
Skip it if: Small companies that only need to meet a sending mandate this year. No price appears on the page read, which links to a pricing page without figures.
- 8
Fonoa is eighth because it makes the widest claim, one solution across more than 150 countries, but backs it with the least verifiable detail. AI features are named, with agents still marked as coming soon, certification badges carry no text, and hosting and price are missing. Its HQ is inferred from an Irish registration shown in the footer.
Strong on
- Unified e-invoicing API with accredited government connections is the stated core
- Tax knowledge layer answers questions with cited sources
- Coverage claim of more than 150 countries on a solutions page
Weak on
- AI agents are listed as coming soon, not as shipping features
- Certification logos are shown without text, and hosting is not stated
Skip it if: Buyers who need a printed price or a stated hosting region before they talk to sales. The page read has only a demo link. No price or plan is listed.
- 9
Esker
Esker lands ninth because its e-invoicing sits inside a large suite and the public pages hold little checkable detail. It states compliance in 60 or more countries, an agentic AI platform called Synergy AI with a self-trained model, and customer data designed not to be used by third parties. It names no certifications on the pages read and shows no price.
Strong on
- States e-invoicing compliance in 60 or more countries, with France, Italy and Spain pages
- Says customer data is designed so third parties cannot use, save or share it
- Headquartered in Lyon, with offices in the United States
Weak on
- No certifications are named on the pages read, only a link to a section
- No pricing, no hosting details, and a suite-sized project
Skip it if: A company that wants to be live on Peppol in days with a monthly card payment. Only an ROI calculator and a demo request are offered. No price appears on the pages read.
- 10
Scrada
Scrada ranks last in this list because the pages read show no price and name no certification beyond Peppol access point status, while no AI features appear. Its fit is narrow but real: digital receipts, cash and centralisation books for Belgian bookkeeping, a Scrada API, and POS and webshop integrations. Confirm prices by email before any trial.
Strong on
- Describes itself as a certified Peppol access point provider
- Digital receipts book, cash book and centralisation book for Belgian bookkeeping
- Offers an API and integrations with POS, accounting and webshop software
Weak on
- No prices are published on the pages read
- No ISO certification, hosting region or AI feature is named
Skip it if: Companies outside Belgium or buyers who want AI features and stated hosting regions. A trial of 15 booking days is offered. The pages read list no prices.
How these AI e-invoicing software were judged
How much does AI actually help in e-invoicing software?
AI helps most on the received side, where invoices arrive in odd layouts and need coding. Basware names InvoiceAI for PO and non-PO invoices, plus SmartCoding, and says it executes over one billion AI actions a year. Qvalia lists AI-assisted posting suggestions and AI classification of products. Comarch describes AI and machine learning for fraud patterns. Fonoa says AI handles compliance across jurisdictions and lists agents as coming soon. On the sending side, a structured file either validates or it does not, so AI adds little. Ask each vendor to show a rejected invoice and how the cause is reported.
What does e-invoicing software cost per month?
As of November 2026, Billit prints €7.50 a month for up to 25 documents, €25 for up to 500 and €250 for up to 1,000, with extra users at €5. B2Brouter lists a free Basic plan, Professional at €110 a year and Business at €300 a year. Qvalia says Connect plans start at €9 a month. Digiteal quotes a €295 yearly package for direct integrators covering 2,400 documents. Invopop starts Pro at €500 a month and charges €300 a month per extra government app. Basware, Comarch, Esker and Fonoa show no price on the pages read.
Where are my invoices stored, and who certifies it?
Invoices carry supplier names, bank accounts and tax numbers, so storage and certification belong in the first call. Billit states production in the Netherlands and Ireland on TransIP and AWS, ISO 27001:2022 and a data processing addendum inside its terms. B2Brouter states ISO 27001 and processing within the European Economic Area. Invopop lists hosting in Belgium and Germany but also e-invoicing providers in Mexico, Colombia and Brazil. Qvalia, Digiteal and Comarch state ISO 27001. Billit's page does not say whether customer data feeds AI, so the vendor's policy was not checked for this.
Can I switch e-invoicing providers without losing my history?
Peppol is built so a company can change access point and keep its address, which makes the network layer easier to leave than most software. The risk sits in archives, approval workflows and coded ledgers. B2Brouter lists legal invoice archiving on its Business plan, and Billit lets an accountant in for free, which keeps records reachable. Invopop bills by actions, so leaving a country integration means rebuilding that mapping in your own code. Before signing, ask for an export of every sent and received file with its status, and what happens to the archive after cancellation.
Which e-invoicing platform fits a small firm or a group?
Match the platform to who touches the invoices. A freelancer or a shop in Belgium fits Billit, B2Brouter or Scrada, which sell small plans and a short trial. A software company that must serve Poland, Italy and Spain from one codebase fits Invopop, Fonoa or Digiteal. A finance team that wants received invoices read and posted looks at Qvalia, Comarch or Basware. A group with several ERPs and subsidiaries in 60 or more countries tends to land on Esker or Comarch, where a project and a quote are normal.
How to choose an AI e-invoicing platform in three steps
- List the countries and formats before you shortlist. Write down every country you send to or receive from, the format each one requires and the date each mandate starts. Then check each vendor's own list against yours. Comarch states 60 or more countries with KSeF and SdI links, Esker states 100 percent compliance in 60 or more countries, and Invopop lists more than 30 countries as government apps with their own monthly charge. A small Peppol account will not cover a Polish or Italian tax-authority connection, so a gap found now saves a second vendor later.
- Price your real document count, including extras. Count the invoices and credit notes you send and receive in a month, then add them. Billit counts every invoice, credit note or receipt as one document and bills overuse per extra document, while Invopop counts Pops per action, where a Polish KSeF submission costs two. Digiteal adds a monthly minimum for software providers. Run your own numbers, month by month, through each model for a busy month, and ask whether sandbox, onboarding or a second legal entity carries a fee.
- Test a failed invoice during the trial. Use the free trial to send one deliberately wrong invoice, such as a missing VAT number, and one valid one to a real partner. Billit offers 15 days with all features and no card, Scrada offers 15 booking days, and B2Brouter has a free plan limited to 24 transactions a year. Watch how the error is shown, who is told and whether you can correct and resend without a support ticket. A platform that hides the reason for rejection will cost time at month end.
Frequently asked questions
What is the best AI e-invoicing software in 2026?
Billit ranks first here because it prints monthly prices from €7.50, states ISO 27001:2022 and names EU hosting. B2Brouter is the pick for a free entry plan, and Qvalia suits buyers who want AI suggestions for posting received invoices. No ranking replaces a test with your own partners and mandates.
Do I need AI in an e-invoicing tool?
Usually not for sending, because a structured invoice validates or fails against fixed rules. AI helps with received invoices that arrive as PDFs or odd layouts, such as coding suggestions at Qvalia or InvoiceAI at Basware. If most of your documents are outgoing and already structured, pay for the network connection and skip the extras.
What is the difference between Peppol and a national e-invoicing mandate?
Peppol is a shared network and set of formats that many countries use, while a mandate is a national rule that may require a specific format, a tax-authority submission or both. Poland's KSeF and Italy's SdI are examples that an access point alone does not cover. Check that the vendor lists each authority you must report to.
How much does e-invoicing software cost for a small business?
Prices printed in November 2026 range from free to a few hundred euros a year at the small end. B2Brouter lists Basic at zero and Professional at €110 a year. Billit starts at €7.50 a month for up to 25 documents. Qvalia says Connect plans start at €9 a month. Enterprise suites show no public price.
Can I keep my Peppol address if I change provider?
In principle yes, because a Peppol participant registered at one access point can be re-registered at another. In practice the old provider must release the registration and your archive stays with them unless you export it. Ask before signing how the move works, whether it is free and how long the old provider keeps your files.
Is my invoice data used to train the vendor's AI?
Most vendor pages read here do not say. Esker states its customer data is designed so it cannot be used, saved or shared by third parties, while Billit's trust page points to its data protection officer for AI questions. Ask each vendor for a written statement covering training, retention and sub-processors before you load live invoices.
Which e-invoicing vendors are European?
Billit, Scrada and Digiteal are Belgian, B2Brouter and Invopop are Spanish, Qvalia is Swedish, Basware is Finnish, Comarch is Polish and Esker is French, based on pages we opened. Fonoa's footer shows an Irish registration. European headquarters does not guarantee EU-only processing, so check hosting and sub-processors separately.
What should I ask an e-invoicing vendor before a mandate date?
Ask which authority connections are live today, not planned, and whether the vendor holds the accreditation itself or resells another provider. Ask for the uptime figure, as Qvalia states 99.8 percent per month, plus the support route on a rejection. Ask for a written onboarding schedule that ends at least a month before your legal deadline.