Two-factor Authentication
Two-factor authentication (2FA) is available on a user opt-in basis. We currently support 2FA using an Authenticator only.
How to enable Two-factor Authentication
In your Billables account, click on your profile icon in the lower left, then click on Manage Account:

Click on the Security tab:

Click on Add two-step verification and select Authenticator Application:

Follow the instructions to set up your new sign-in method in your authenticator app and connect your account:

Add the code from your authenticator when prompted:

Click Finish to enable:

You should be all set:
