- Version 1.2.3
- Download 3
- File Size 3.37 MB
- File Count 1
- Create Date July 16, 2026
- Last Updated July 16, 2026
CLI/CMD Linux x64 application
CLI/CMD client application (Linux x64) for KSeF 2.0 REST API
CLI/CMD client application allowing for quick and flexible integration with National e-Invoice System - KSeF 2.0 REST API. The ZIP package contains a file ready to run from the Linux shell. The application allows you to send invoices to KSeF, download UPOs, search for and download invoice metadata, and the invoices themselves. Additionally, the application allows you to visualize invoices and UPOs. Detailed usage information, along with practical examples, is available on the website. Documentation.