Yes, Sonix has two-factor authentication.
You can protect your Sonix account with an extra layer of security by requiring access to your phone. Once configured, you'll be required to enter both your password and an authentication code from your mobile phone in order to sign in.
How to turn on two-factor authentication
Open the Google Authenticator app. Then, tap "Begin Setup."
Open Sonix and go here: https://my.sonix.ai/account/two_factor_setup/new
Tap "Scan Code", and point your camera at the screen.
Note that Sonix is SOC 2 Type 2 compliant.