ePošťák in Slovakia
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ePošťák is sold by Kaja Solutions s. r. o., a company based in Slovakia. According to its own pages, it can send and receive e-invoices. Formats it names: Peppol BIS Billing 3.0. Its cheapest paid plan costs EUR 8 a month (prices checked on 9 Oct 2026). It offers a free plan; the limits are below.
ePošťák is run by Kaja Solutions s. r. o., listed by the Slovak Financial Administration as a certified delivery service provider ("digital postman") [1].
What every certified provider does. By law, a certified provider checks the e-invoice's format, identifies the sender and the recipient, keeps the invoice intact, proves when it was sent and delivered, and reports the invoice data to the Financial Administration automatically [4].
Prices. Public prices start at EUR 8 per month. Prices can change at any time; check the vendor's page.
Is this the right provider for me? Compare it with others on the list of certified providers and in prices and free plans.
- Company
- Kaja Solutions s. r. o.
- Headquarters
- Slovakia
- Website
- epostak.sk
- Capabilities
- send, receive
- Formats
- Peppol BIS Billing 3.0
- Languages
- SK
- Countries
- Slovakia
- Slovak certified provider register
- Certified by the Financial Administration (Finančná správa) as EFSK000012, listed as Kaja Solutions s. r. o.
Also sold through: IT-DK s.r.o. (SK), EMEL BRATISLAVA, s.r.o. (SK), Zamiska solutions s.r.o. (SK), 3xx, s.r.o. (SK), horway s.r.o (SK), BALI s.r.o. (SK), ONDRÚŠ SOFTWARE s.r.o. (SK), Data Dance s.r.o. (SK), Pixeler s.r.o. (SK), ProfiWay s.r.o. (SK), Danikles s.r.o. (SK), Tobify s.r.o. (SK)
Free plan
Free plan: Zadarmo program: 500 received and 5 sent invoices per month; sending pauses at the limit (Source, checked on )
Prices
| Plan | Price | Includes | Source |
|---|---|---|---|
| Standard (web) | EUR 8 / month | unlimited receiving, 50 sent per month, extra sent 0.25 EUR; applies from 1 Jan 2027, no monthly fee until 31 Dec 2026; vendor states it is not a VAT payer so amounts are final | epostak.sk, |
| Firma (web) | EUR 19 / month | unlimited receiving, 200 sent per month, extra sent 0.20 EUR; from 1 Jan 2027; no VAT added | epostak.sk, |
| API (Connector, SAPI, Enterprise API), send, 1-1,000 documents per month | EUR 0.10 / document | no subscription or setup fee; receive costs 0.08 EUR in the same band; lower rates at higher volumes down to 0.04 EUR; OCR 0.08 EUR per document; archive 19 EUR per month | epostak.sk, |
Notes
Peppol access point with web mailbox (received invoices shown as e-mails, PDF upload with OCR), API and white-label partner offers; also an e-invoice offer for municipalities. Yearly billing shows a 17 percent discount.
On official lists
Not found on the official lists we track.
Sources
- Financial Administration: list of certified delivery service providers, 9 Oct 2026 (Slovak) (checked on )
- Financial Administration: delivery service providers in the accreditation process, 9 Oct 2026 (Slovak) (checked on )
- Financial Administration: list of certified providers and their intermediaries, and provider selection (app) (checked on )
- VAT Act 222/2004 as in force from 1 Jan 2027, § 76a delivery service (Slov-Lex, Slovak) (checked on )
- Financial Administration: eInvoicing (English page) (checked on )
- Financial Directorate: FAQ on eFaktúra, version of 8 Oct 2026 (Slovak) (checked on )
Certified e-invoicing providers in Slovakia: all 80 'digital postmen'
Comparable providers
- Digitálny poštár (ePostman) (Free plan, paid plans from EUR 8.99 per month)
- eFakturuj (Free plan, paid plans from EUR 9 per month)
- Archiles (Free plan, paid plans from EUR 6.90 per month)
Chosen by features and price, never by payment. How we choose
