A2A Check

Check for free

Enter your work e-mail address: we send you a 6-digit code. Free e-mail addresses (e.g. Gmail, GMX, web.de) cannot be used.

Your free account is created with your first sign-in. We send a six-digit code to your address; it is valid for 30 minutes and only in this browser. If the address belongs to an account or was invited, you sign in to that account, otherwise the first sign-in creates a free account.

With the account key

Quickstart