iPoštár in Slovakia

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iPoštár is sold by OSTV 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 2 a month (prices checked on 9 Oct 2026). It offers a free plan; the limits are below.

iPoštár is run by OSTV 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 2 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
OSTV s.r.o.
Headquarters
Slovakia
Website
ipostar.app
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 EFSK000072, listed as OSTV s.r.o.

Free plan

Free plan: Everything including production use is free until 31 Dec 2026; receiving is free permanently; no card required; sandbox available. (Source, checked on )

Prices

PlanPriceIncludesSource
Receiving EUR 0 / month unlimited receiving, inbox, XML viewer, PDF download, monthly export; VAT status not stated ipostar.app,
Preposielačka EUR 2 / month 1,000 documents, no archive, per business ID; 0.01 EUR per extra document ipostar.app,
Poštár 3 EUR 3 / month 1,000 documents, 2 GB archive, invoicing portal ipostar.app,
Poštár 6 EUR 6 / month 2,000 documents, 4 GB archive ipostar.app,
Poštár 9 EUR 9 / month 3,000 documents, 6 GB archive, priority support ipostar.app,
API EUR 0.01 / document no subscription; 0.008 EUR per document above 10,000 per month ipostar.app,

Notes

Digital postman operated by OSTV, a Slovak internet/IPTV operator; sends via web form, XML import or PDF/photo upload, and reports to the tax authority. Included at no extra cost for OSTV internet or TV customers.

On official lists

Not found on the official lists we track.

Sources

  1. Financial Administration: list of certified delivery service providers, 9 Oct 2026 (Slovak) (checked on )
  2. Financial Administration: delivery service providers in the accreditation process, 9 Oct 2026 (Slovak) (checked on )
  3. Financial Administration: list of certified providers and their intermediaries, and provider selection (app) (checked on )
  4. VAT Act 222/2004 as in force from 1 Jan 2027, § 76a delivery service (Slov-Lex, Slovak) (checked on )
  5. Financial Administration: eInvoicing (English page) (checked on )
  6. 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

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