10 frequently asked questions regarding the National e-Invoice System (KSeF) 1. What is the National e-Invoice System (KSeF)? The National e-Invoice System, abbreviated as KSeF, is an IT system that enables issuing, sending, storing and receiving structured invoices. It introduces uniformity Read more…
How to issue an invoice in KSeF? After logging in to your company's account, select Issue invoice from the side menu and then Enter invoice. In the Invoice type field, select Basic, and in the Form type field, select Short. 2. Next, we need to provide details describing the invoice. Read more…
Generating an access token to KSeF 1. After creating an account in the National e-Invoice System, as described in the first part of the guide: KSeF Guide - how to create an account in the National e-Invoice System, we can start generating a token. 2. Select from the side menu Read more…
Update of the KSeF API of the Ministry of Finance Today, in accordance with the previous announcement of the Ministry of Finance, the KSeF API and the Taxpayer Application were updated. API update of the National e-Invoice System to version 2.0.4 includes: changing the structure of the document with a history of changes, changing the type in Query Invoice Read more…
Creating a company account in KSeF 1. You must log in to the Taxpayer Application: https://ksef.mf.gov.pl/web/login. And then select the identifier by which the KSeF system will be able to recognize the company. In our guide, we show the simplest method that the 99% will choose from you, i.e Read more…
We are pleased to announce that our nip24.pl application is now available on the low-code platform – make.com. We are the first to provide the ability to download data from the REGON and KRS registers and check contractors in the VAT list, VIES system, VAT white list without the need to use Read more…
Ladies and Gentlemen, We would like to inform you that as of yesterday (November 22, 2023), due to the unstable operation of the REGON service, there may currently be problems in calling the following functions: isActive - a function for checking the current status of the company's activity (error message: ERROR: Failed check company status), Read more…
Ladies and Gentlemen, we would like to inform you that due to the fact that the flat file has not been published by the Ministry of Finance today, the getWhitelistStatus function is not able to return the correct data for today. As soon as the flat file is published, the function should automatically start returning Read more…
However, KSeF is mandatory in JPK_VAT declarations. However, in the context of JPK_VAT declarations, things will not be as rosy after the entry into force of the National e-Invoice System (KSeF), as announced by the Ministry of Finance (MF). The Ministry had previously announced that it would not introduce changes in the scope at the same time Read more…
Good morning, We would like to inform all customers of nip24.pl that, in order to meet their needs, we have implemented the possibility of obtaining a response consistent with the JSON structure after sending a query directly to the provided REST API interface. The new version of the API has been implemented in the production environment and Read more…
English (UK) 
Polski