Attention! If you are interested in automatic and mass checking of your contractors' bank account numbers in the VAT list (so-called white list of taxpayers), we would like to inform you that from September 1, 2019 we provide this opportunity. At the beginning of 2017, regulations came into force obliging entrepreneurs to check whether their contractors are active tax payers. Read more…
Ladies and Gentlemen! Due to planned modernization works, we would like to inform you that from 23:00 on May 28, 2017 (Sunday) until 03:00 on May 29, 2017 (Monday) there will be a break in access to the production API (https://www.nip24.pl/api) and the test API (https://www.nip24.pl/api-test). Work will be carried out related to migration to a new system platform, which will result in increased system performance, Read more…
We would like to inform you that today new versions (1.3.0) of all libraries (PHP, C#, JAVA, Python) and a new version (1.2.6) of the Microsoft Excel add-in have been made available. Current versions of the libraries can be downloaded from the website: Download The following changes have been introduced in the new versions: – support for TERYT codes returned when downloading detailed data has been added Read more…
We would like to inform you that a test API has been made available to all people interested in the services offered by nip24.pl (at: https://www.nip24.pl/api-test), thanks to which it is possible to test all the main functionalities of the portal without having to creating an account. The test API interface allows you to test the following functions: isActive – function for checking the current status of the company, getInvoiceData – function Read more…
[PL] For non-programmers, we have provided an add-in to the MS Excel application, thanks to which it is possible to use all the most important functions of the nip24.pl website: checking the taxpayer's status in the VAT register, checking a foreign contractor in the VIES system, searching and downloading necessary data to issue an invoice, searching and downloading detailed data of entities, checking Read more…
English (UK) 
Polski