Pricing

Three self-serve tiers plus a contact-us option. 14-day free trial on every plan, card required. KSeF test environment included. Prices ex-VAT; Paddle applies local tax at checkout.

Monthly Yearly

Solo

For JDG solopreneurs issuing into KSeF without an accounting system.

EUR 2.00 / month

or EUR 20.00 / year

  • 30 API calls / month
  • 2 req/s rate limit
  • 1 API key(s)
  • 1 numbering series
  • 14-day free trial, card required
Choose this plan

Starter

For small ISVs and ops teams automating KSeF invoice workflows.

EUR 5.00 / month

or EUR 50.00 / year

  • 750 API calls / month
  • 5 req/s rate limit
  • 2 API key(s)
  • 3 numbering series
  • 14-day free trial, card required
Choose this plan

Pro

For integrators embedding KSeF as a primitive inside their own product.

EUR 19.00 / month

or EUR 190.00 / year

  • 5,000 API calls / month
  • 20 req/s rate limit
  • 10 API key(s)
  • Unlimited numbering series
  • Email support, 2 business day target
Choose this plan

Enterprise

Custom DPA, SLA, and volume for high-throughput or regulated buyers.

Contact us
  • Custom volume & rate limits
  • Dedicated contact
  • Custom DPA & SLA available
Contact sales