⚠️ Important: KSeF will become mandatory for large taxpayers on 1 February 2026, and for everyone else on 1 April 2026. Start your integration now! The main client class for interacting with KSeF API.
usethis is a command-line interface to automate the configuration of popular Python tools, workflows, and frameworks. You can use it to declaratively add, remove, and configure tools in an existing ...