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Signing in & language

Open your KanzleiSynchron URL in a browser. You will see a login form.

  1. Enter your email address and password.
  2. Click Sign in.
  3. On success you land on the Today dashboard.

If your credentials are wrong you will see an error message.

Resetting your password — who to contact

Section titled “Resetting your password — who to contact”
  • Staff (role reviewer) contact the Firm Admin (role merchant_admin) of their own firm.
  • Firm Admins without a second admin contact the KS operator (internal ops team).
  • If your firm has no client and no admin yet (a brand-new account), contact the KS operator directly — the first Firm Admin role is assigned during onboarding.

Your session is stored in a secure HttpOnly cookie (ks_session); the token is not readable by JavaScript. On API calls the app additionally sends it as an X-Session-Token header. You do not need to sign in again unless the session expires (default: 24 hours) or you sign out.

The DE/EN toggle is visible at the top of the navigation on every page. Click it at any time. Every label, heading, button, and message switches immediately — no reload. Your choice persists for the session.

Continue to onboarding: first client, first source, first reconciliation, first DATEV export.