Dynamic seven digit authentication one-time pass codes are generated on-demand, and delivered via SMS or text-to-speech phone calls to a registered number.Learn More
Get a new seven digit authentication code every twenty seconds. Available via the Authy app for mobile, wearable, or desktop platforms.Learn More
Approve or deny the authentication request with a simple yes/no question. Push notifications alert on a previously authorized smartphone.Learn More
Passwords aren't enough anymore—use a second factor to confidently verify users' identity and protect your app or service from data loss, fraud, and malicious attacks.
No special security know-how is required: get up and running with as little as 3 lines of code, complete development in 1/2 a sprint.Developer Documentation >
Take Authy for a test drive: your first 100 authentications are free.See our pricing structure >
Confirm devices are in the user's possession and get device details to identify risky registration.
Prevent unauthorized access by securely authenticating the user with a second factor that is connected to the device.
Prevent fraud during open sessions with re-authentication that confirms the transaction/event is authorized.
Use Authy from any smartphone, tablet, desktop, and wearable. Add and synchronize multiple devices for convenient access and redundancy.
Authy requires no training to use with small changes to the login and approval experience.
Built-in functionality allows users to easily handle common occurrences like adding a device, changing a phone number, or recovering data from a lost phone (instead of calling your Help Desk).
REST API, extensive code libraries, and complete documentation provide an easy path to implementing powerful 2FA.Developer Documentation >
No special skills or training are required with a simple to use administrative dashboard that offers detailed visibility and granular control at every step.
Authy is the most-trusted option for two-factor authentication, with 99.999% uptime and 400ms API performance since launch.