Card-based Instrument Service (CIS) for KBSK API


This service makes it possible to verify the current account balance of a KB client

In order to use this service, it is necessary to obtain the relevant PSD2 license from the Czech National Bank or another official authority in the EU and receive a qualified certificate. Komerční banka relies on a uniform structure and format of information, as defined in the Czech Open Banking Standard (“COBS”) by the Czech Banking Association.

Available features

There are several basic ways you can use the data

  • Issue your own payment instruments
  • Verify sufficient balance to execute a transaction

Available data

For current detailed overview of all functional APIs, see the Overview of Services

Account balance
Confirmation or no confirmation of sufficient account balance of a KB client.

Simple and quick
Bank’s reply in the form of “YES” or “NO”.

Document to download

Contact us

Contact us

Maybe you need some advice or did not find what you were looking for? Do not hesitate to contact us!
KB Open Banking Team​

Overview of all API services

See what other API services you can use

See the overview