If you know your Tines tenant domain, you can sign in with a link similar to the following
https://<tenant-name>.tines.io/users/sign_in. Sign in with your email address and the password used during account creation.
Administrators can invite users to a Tines tenant via the admin portal.
Two Factor Authentication
Tines enforces mandatory two factor authentication across all accounts. When signing in from a device not recognised by Tines, a six-digit code will be sent to your email address. Enter this code to complete sign in.