are blocked by SMS-based 2FA (Google)
surveyed in 2019 admitted to using 2FA (Duo)
find security keys or push notifications convenient (security.org)
Some of the world's most innovative businesses trust us!
The system initiates a phone call that plays an authentication code for the user. It can even send an SMS if the call can't be connected or the user can't hear the code playback.
This approach helps to increase the delivery rate, decrease costs and ensure efficient security.
Add seamless two-factor authentication via multiple channels using our convenient and easy-to-use API. This is how you prevent fraud and enhance the security of your app users.
Multi-channel: Voice, SMS, Push
One/Single REST API
SMS delivery in 78 countries
High delivery rates
Over 250 voices for speech synthesis
Voice synthesis available in more than 40 languages
Serverless architecture that scales according to your business needs
Send a welcome email that doubles as a 2FA step with a verification link. Clicking the link in this email helps with engagement and makes users safer.
Any changes in typical patterns can reveal a fake login attempt. The 2FA system examines login attempts and kicks in when something changes.
Verify the email or phone number used is valid. 2FA prevents criminals from creating accounts with fake identities.
Protect high-value transactions and purchases to reduce payments fraud. For instance, users can get a code via text or use two-way texting to approve a payment.
Validate password resets, device changes, user reactivation, and other account changes to boost retention. 2FA helps real users recover their accounts safely.
Use 2FA when users try to change or delete data. Safeguard your data by enabling permissions whenever someone asks to access sensitive information.
Don't compromise on quality — get top‑notch services at affordable prices.