Add Two-factor Authentication

Use SMS and Voice-based unique codes to add more security to your users' accounts.

Two Factor Authentication

When you add 2FA to your users' accounts, they will still be safe even if a hacker finds out their passwords.

Accounts will be much safer because it's necessary to confirm something that only the user is in possession, like a security token, ID card or smartphone. The risk of security breach is drastically reduced with the addition of this second protective layer.


How It Works

2FA is basically a login where the user goes through two different steps before accessing their accounts. First, they type in their password. Then, they use a one-time passcode send through SMS or Voice to their phones. It basically ascertains the user knows something (password) and own something (their phones).

2FA can be used with

SMS API

SMS-based one-time-only code

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Voice API

Voice-based one-time-only code

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