Apps like Google Authenticator provide an extra level of security for critical services by requiring a user to prove possession of their device.
SMS one-time passcodes are great for most use cases, but time-based passcodes carry additional security advantages by tying authentication to a user’s device instead of their phone number.
Require users to demonstrate control of their original device to execute sensitive transactions.
Offer power users the security features they want without wasting engineering time on something that’s not core to your business.
Integrate with our API or SDK in an afternoon, customizing as little or as much as you'd like.