Authy features

For frictionless authentication, send a push notification directly to your user’s device, alerting them that an authentication attempt is taking place. Users will have the option to view authentication details and approve or deny access with a single touch. Communication between the user’s smartphone and the Authy API is encrypted end-to-end and cryptographically signed. It’s our simplest, and strongest authentication offering. Available via an SDK to embed the features in your own apps.

soft tokens avoid the risk of someone intercepting an auth code delivered via SMS, phone call, or email by generating a Time-based One-Time Password (TOTP) on their device. Available for mobile, wearable, or desktop platforms, it even works while the phone is offline, allowing users on laptops to authenticate on plane WiFi.

Combine the API with our free, popular 2FA app for greater security or use the SDK and embed TOTP directly in your existing apps.

An ideal option for users who cannot install a mobile app. Users simply authenticate with a One-Time Passcode (OTP) sent to their device via SMS, phone call, or email. Because we are built on leading communications platforms, we can reliably deliver codes to over 200 countries.