Your software says you're ready. Our tools verify it in 30 seconds.
The Slovak gateway can reject XML for issues a normal ERP export may not show: missing EndpointID, wrong Slovak TIN format or TaxSubtotal amounts in the wrong currency. Check documents before 2027, not after. We check UBL, EN 16931, Peppol BIS and SK CIUS rules. Free.
Not only Access Points: software, accounting, ERP and workflow matter
The Slovak market will need more than a list of certified delivery providers. We are adding a neutral guide for choosing e-invoicing software, accounting workflows, ERP/API options, archive, pricing and exit risks. The detailed pages are Slovak-first while the international hub explains the approach.
How to choose an e-invoicing solution
Distinguish delivery provider, invoicing software, accounting system, ERP/API and control layer.
Neutral solution comparison
Not a ranking. A profile-based view of provider layer, solution type, sources and readiness status.
Ask a market question
Questions from practice help turn the hub into checklists, rules and public guidance.
One centre, three practical paths
A clear overview is enough to start. Then each user chooses the branch that best matches their situation and readiness level.
Without a new ERP as the first step
For companies that want to start with what they already have today and gradually prepare for live operations.
More clients, less chaos
For firms and in-house accounting teams that need client onboarding, batch processing and a clear overview.
API, mapping and integrations
For integration teams handling exports, webhooks, batch processing and connecting to existing systems.
What separates a professional solution
A good solution does not end with creating XML. You also need partner verification, validation, document receiving, response handling and a readiness overview.
Create invoice, PDF and XML from one place
Simple invoicing tool for freelancers and small companies. Fill in the form — PDF and XML are released only after the blocking UBL XSD, EN 16931, Peppol BIS and SK CIUS validation gate. No XML knowledge required.
Lookup and partner activation
First verify who is ready to receive electronic documents and where you need to add data or choose another channel.
Validator and remediation
Finding an error is not enough. What matters is a clear explanation of what to fix and how to proceed.
Receiving, responses and audit trail
The receive side matters as much as sending: inbox, statuses, exceptions, comments and accounting evidence.
Dashboard for accountants
Accountants need client-level visibility, not only a one-off file upload form.
A product also needs trust and a clear business model
Trust is just as important as the features themselves. A client needs to understand security, access rights, pricing and what is included in the solution.
Security & Trust Center
EU data residency, GDPR, audit logs, retention and enterprise operational guardrails.
Plans and packages
Accountants, pay-as-you-go API and enterprise middleware layer with onboarding.
E-invoice readiness check
Checks whether the Slovak entity is ready to receive, issue, validate, archive and export e-invoices for audit.
Login, register and RBAC
Overview of login, registration and permissions for admin, accountant and developer.
Four steps instead of one big mess
At the start, it is important to understand the basic process. Detailed guides and tools are in the other parts of the centre.
Map the reality
What inputs does the company actually have today: PDF, Excel, ERP export, manual form or already XML.
Check partners and documents
Lookup, validation and viewer clean up partner data and the document itself before the next step.
Choose the right workflow
Not everyone needs an API right away. Sometimes the app is enough, elsewhere batch or direct integration.
Build receive-side and audit
A good solution also considers incoming documents, responses, approvals and audit trail.
Where each workflow belongs
Basics, legislation, FAQ and vocabulary for business users.
PEPPOL ID, ERP export, receive-side readiness, validation and action plan.
Enter invoice data, generate PDF/XML and run validation before handoff.
Drafts, final invoices, sent documents and payment status overview.
BT fields, document types, XML viewer and integration mapping.
All certified intermediaries and Access Points (PDS) from the FS SR register — neutral two-level directory.
Inbox/outbox layer for documents prepared for certified partner delivery.
Check buyers and suppliers through VAT, registry and PEPPOL readiness signals.
976 rules from the Peppol BIS v1.10 Excel audit, 58 official Peppol Schematron codes and 60 tool diagnostic checks.
Upload multiple XMLs at once — get status per file (blocker / warning / pass) and CSV export.
Compare two versions of an invoice line by line — coloured diff and validation delta shows what was fixed and what broke.
Plans for companies, accountants, API users and enterprise rollout.
Questions we solve early
"Do I need a new accounting system?"
Not as the first step. Start by validating, viewing and mapping current invoice outputs.
"My accountant handles this."
The accountant still needs clean inputs, client readiness status and a controlled receive-side workflow.
"PEPPOL and UBL are too technical."
The interface translates technical validation into business actions: what failed, why, and who must fix it.
"We only issue a few invoices."
Low volume needs a lighter workflow, not a broken workflow. Manual tools remain part of the product surface.
"We mostly sell to consumers."
The mandate depends on transaction type and taxable-person context. The system helps separate B2C, B2B and B2G handling.
"What if the recipient is not ready?"
Partner lookup and readiness tracking prevent a blind send-and-fail process.
Frequently asked questions
When is e-invoicing mandatory for B2B in Slovakia?
From 1 January 2027 — all VAT-registered businesses must send domestic B2B invoices as XML via PEPPOL. The receiving obligation applies to all taxable persons from the same date.
I received an XML invoice from a Slovak supplier. What do I do?
Use the free PEPPOL Viewer/Validator to open and read the XML in a human-readable format. Export to PDF, forward to your accountant, or import into your ERP.
Does a PDF invoice count as an e-invoice in Slovakia?
No. From 2027, a PDF will not fulfill the e-invoicing obligation for covered transactions. The invoice must be structured XML (UBL 2.1) sent via a certified Access Point.
What is Slovak e-Invoicing Centre? Are you a PEPPOL Access Point?
Slovak e-Invoicing Centre is a software intermediary and control layer — not a certified PEPPOL Access Point. We provide validation, viewing, error diagnosis, partner lookup and preparation tools.
My invoice failed validation. Where do I start?
Go to the Error Code Database. Find the error code (e.g. BR-CO-10, R003, UBL-SR-01), read the cause and fix. Each entry includes the XML field to correct.
Is Slovak e-Invoicing Centre free?
Core tools (validator, viewer, error database, guide) are free. Advanced features for accountants, API access and enterprise workflows are on paid plans. See pricing.
Articles and guides
Start with validation, then choose the workflow
Validate a sample XML first. If you need a controlled rollout for clients, ERP exports or API handoff, continue with guided onboarding.