Due to changes in the architecture of the National e-Invoice System published by the Ministry of Finance (KSeF 2.0) we would like to inform you that we are doing everything to make the new version of the interface KSEF REST API along with the updated Documentation has been made available until December 31, 2025.
To meet your expectations, we are also working on a dedicated black box component that can be installed in your organization's infrastructure and will act as a gateway to KSeF. The component we offer will have no limitations regarding Entities* and the number of invoices issued and received.
Below you will find a detailed price list of services offered in the SaaS (Software as a Service) model and the scope of KSeF Gateway services.
*Entity – should be understood as a unique Tax Identification Number (NIP) for which the license owner can generate and send KSeF invoices.
We invite you to explore the available plans and features. All prices are net, subject to VAT. The billing period is always a calendar month.
SaaS service price list
The scope of services of the KSeF Gateway (black box) implemented on-premise
Details about KSeF goals (black box), installed locally in the infrastructure of the organization purchasing this type of license, is presented in the table below:
Service |
Detailed description |
| Component functionalities | 1. Generating KSeF invoices (XML) compliant with the latest applicable schema (v3)
2. Authentication of an unlimited number of entities in KSeF using KSeF certificates. 3. Sending KSeF invoices (XML) online to the National e-Invoice System along with receiving the KSeF number confirming receipt of the invoice by KSeF. 4. Visualization of the KSeF invoice in HTML 5. REST API |
| Implementation | 1. Preparation of the installation package/virtual machine/Docker container – depending on the implementation option chosen by the Customer.
2. Implementation and configuration of the component on the Ordering Party's infrastructure 3. Basic implementation variant (without high availability architecture (HA), queue system and additional functionalities) |
| License | License to use the component in the variant NO LIMIT on the number of entities served and NO LIMIT on the number of KSeF invoices generated and sent. |
| Maintenance | 1. Updating and adapting the component to changes resulting from modifications in the National e-Invoice System
2. Technical assistance and support in analyzing and solving problems 3. Maintaining the component in its basic functionality and architecture (without high availability (HA), railway system and additional functionalities) |
| Additional | Implementation of the invoice generation functionality in "offline24" mode |
| Implementation of the KSeF invoice visualization functionality to PDF based on a template | |
| Implementation of the functionality of periodic checking and downloading of KSeF Entities' cost invoices | |
| Implementation of batch sending of KSeF invoices | |
| Adapting the component to the specific requirements of the Customer's architecture (e.g. event logging) | |
| Implementing a high availability (HA) architecture | |
| Implementation of the queue system |
If you are interested in a detailed price offer for KSeF goal, please send your inquiry to the following e-mail address: kontakt@ksefapi.plSimply include your company's Tax Identification Number (NIP) in the body of the message so we know who to prepare the offer for.
We also encourage you to contact us by phone. Details are available on the website. contact.