Poland · Direct or white-label

Connect a foreign or custom ERP to KSeF 2.0.

We map the source invoice to FA(3), validate it, submit through the agreed KSeF integration path and return the KSeF reference and technical status to your workflow.

First valid test invoice target: two working days after source access, representative data, KSeF test authorisation and a technical owner on your side are ready.

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Poland · Direct or white-labelStandard unit
The route
ERP → FA(3) → KSeF 2.0
Standard unit
EUR 3,600 direct · EUR 3,000 through a partner
The route

ERPFA(3)KSeF 2.0

KSeF provides public API documentation and integration/demo environments. Standard Polish ERP users often already have a native path. The better EurInvoice cases are foreign-group systems, custom software, unusual Business Central or NetSuite data, and partners with several implementations in a queue.

Mandate status checked 26 September 2026.

The staged obligation began in February and April 2026, with the micro-business stage on 1 January 2027. The Ministry announced that penalties for KSeF errors remain deferred through the end of 2027.

What your team owns

  • ERP-side configuration and source-data quality
  • KSeF authorisation, token/certificate decisions and approvals
  • Production cutover, operating users and tax-process decisions

What EurInvoice owns

  • Source-to-FA(3) mapping for the agreed invoice family
  • Schema/business validation and integration-environment submission
  • KSeF reference/status return and technical handover
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Test invoice accepted by KSeF 26.09.2026.

FA(3) generated from ERP-style data, submitted to the KSeF 2.0 test environment and assigned a KSeF number with UPO. A resubmission was rejected as a duplicate (440).

How it works

Use the public test path before production.

  1. Confirm

    Entity, authorisation, source system and representative invoice family.

    01/04
  2. Map

    Transform source fields and tax logic into FA(3).

    02/04
  3. Submit

    Validate and send through the selected KSeF integration path.

    03/04
  4. Return

    KSeF number, status or rejection detail to the source workflow.

    04/04
Contact

Use us where the native Polish connector stops.

Bring a foreign ERP, custom software or partner backlog case. We will qualify it against the standard scope before work starts.

  • Your ERP and version
  • The first country route and legal entity
  • A representative invoice and where the credentials stand

30-minute call

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