Ladies and Gentlemen!
Due to planned service work, we would like to inform you that on Saturday, February 21, 2026, from 10:00 p.m. to 2:00 a.m. on February 22, 2026 (Sunday), there will be an interruption in access to the website pages and API interface.
The work being carried out will be related to increasing the security of the system and improving the quality of services provided.
If you have any questions, please contact Customer Service Office.
We apologize for any inconvenience this may cause.
The ksefapi.pl team