Planned maintenance break in connection with the implementation of the KSeF. Dear Sir or Madam, In order to ensure the highest quality of services provided and full compliance with applicable legal requirements (entry into force of the mandatory KSeF), we would like to inform you about planned maintenance work on the nip24.pl website infrastructure. Purpose of the work: Read more…
We would like to inform you that a new version (1.4.7) of the application has been released today, enabling you to check the status of entities saved in the latest versions of JPK_VAT files, which came into force on February 1, 2026. Detailed information about the new versions of JPK_VAT files is available at Read more…
Dear Sir or Madam, Due to planned maintenance work, we would like to inform you that on Saturday, December 6, 2025, from 10:00 PM to 2:00 AM on December 7, 2025 (Sunday), there will be a break in access to the website and API interface. The work will be related to increasing security. Read more…
Dear Sirs/Madams! Due to planned maintenance work, we would like to inform you that from 11:00 PM on 05.04.2025 (Saturday) to 2:00 AM on 06.04.2025 (Sunday), there will be a break in access to the website and API interface. The work will be related to increasing Read more…
Whitelist - failure Dear Sirs, Due to numerous phone calls, we would like to inform you that since yesterday, i.e. 12/02/2025, there has been a failure of the VAT Taxpayer List (the so-called whitelist) on the side of the Ministry of Finance. Currently, the programming interface (API) does not work fully correctly and the generated Read more…
Dear Sir or Madam, We would like to inform you that as of March 1, 2025, the prices of all standard plans will change in accordance with the table below: Startup Business Professional PLN 49/month PLN 169/month PLN 309/month PLN 0.16/query PLN 0.15/query PLN 0.14/query The above prices are net prices, to which Read more…
Dear Sirs! We have received information that due to the planned modernization works of the REGON register, the BIR1/1.1 service provided by REGON will not be available on 09.12.2024 (Monday) from 22:00 to 10.12.2024 (Tuesday) until 02:00. The above-mentioned unavailability of the REGON register is Read more…
Dear customers, We would like to inform you that as part of the maintenance work carried out recently, the public IP address of our server has changed. The old IP address (54.38.52.83) has been replaced with a new one: 54.37.235.161. If the connection to our services is configured according to the documentation, the above change Read more…
Dear Sirs! Due to planned maintenance work, we would like to inform you that from 22:00 on 02.11.2024 (Saturday) to 04:00 on 03.11.2024 (Sunday), there will be a break in access to the website and API interface. The work will be related to increasing security Read more…
Ladies and Gentlemen, due to numerous telephone calls, we would like to inform you that today, i.e. July 23, 2024 (Tuesday), from approximately 1:00 p.m. there is a system failure on the part of the Ministry of Finance. Currently, neither the browser interface (GUI) nor the programming interface (API) work properly: Unfortunately, apart from arming yourself with Read more…
English (UK) 
Polski