The Ministry of Finance shall make available a description of the programming interface of the API of the List of VAT taxable persons, i.e. the list of registered, unregistered and deleted entities and returned to the VAT register.
The API programming interface is currently in the process of internal testing, which is why it may still change. API specification and test environment address will be made available to 22 August 2019
The technical description of the merger to the API can be found on the National Tax Administration website
In the next step (term will be given to 31 August 2019) the publication of a text file to be downloaded by users is planned, which contains a full list of NIP-account pairs, allowing mass verification of transactions in financial and accounting systems.