Integrations overview

Atestio connects to government registries, the Ministry of Finance’s system, and a payment gateway. The list below covers only integrations that actually work — items still in development are marked separately and aren’t available to use yet.

Ministry of Finance

Integration	What it’s for
KSeF	Sending and receiving structured invoices — see How to connect your business to KSeF.
JPK_V7M / V7K	Generating and sending JPK files — see JPK_V7M — what Atestio fills in automatically.
Profil Zaufany	Authenticating and signing documents with no extra password — see Ways to connect to KSeF.

Registries and counterparty data

Integration	What it’s for
GUS / REGON	Filling in a counterparty’s business details from their NIP or REGON.
CEIDG	Pulling counterparty details from the register of sole proprietorships.
White List	Checking a counterparty’s VAT status and bank account against the Ministry of Finance’s registry.
VIES	Verifying EU VAT numbers for intra-EU transactions.

Payments

Integration	What it’s for
eService	The invoice payment link and split-payment support — see Payment link and split payment (MPP).
NBP exchange rates	National Bank of Poland exchange rates, used for foreign-currency invoices.

In development

The following integrations have been announced but aren’t available to use yet — Atestio rolls them out once testing and compliance requirements are complete:

• Open Banking (PSD2) — automatically matching bank payments to invoices.
• Peppol — international e-invoicing through a certified access point.
• InPost, Allegro — planned e-commerce and logistics integrations.

Missing an integration you need?

You can send questions and integration requests to pomoc@atestio.pl.