- One-Time Passcode Verification (OTP)
One-Time Passcode Verification (OTP)Twilio
- Host on Twilio
This app will show you an example of how to build a one-time passcode (OTP) experience via SMS or Voice.
How it works:
- User enters their phone number to login
- App generates an authentication token
- App sends the token via SMS or Voice to user’s phone number
- User enters the correct token
- App verifies the token and the user is allowed to complete the login action
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