Registration & Login

Creating an Account

Fast KSeF allows registration via Google, Microsoft or Apple ID. You don't need a separate password — you can also register by email.

1. Open the application page
2. Click Sign in with Google, Sign in with Microsoft or Sign in with Apple
3. Log in to your account
4. Done — you'll be redirected to the setup wizard

Tip

If you're logging in for the first time, the app will automatically redirect you to the setup wizard where you'll enter your company NIP and import a certificate.

Logging In

On subsequent visits, just click the sign-in button and choose your account. The session is remembered in the browser.

Logging Out

To log out, click the user icon in the sidebar and select Log out.