Twilio Code Exchange

See what you can build with Twilio. Get started with code samples.

Examples: Voice IVR, Appointment reminders

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Code Samples

Get started with code samples for common Twilio use cases.

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VERIFY  
  • Verify
One-Time Passcode Verification (OTP)
Start and check one-time passcodes (OTPs) sent via SMS, Voice, or email. Seamlessly deploy with Twilio's serverless runtime.
  • JavaScript
  • Popular
  • Quick Deploy
  • Applications

By Twilio

  • Verify
Verify Passkeys
Add Passkeys into your existing authentication flows with the Verify API's managed passkey backend
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Verify
Verify Prefill
Autofill user details like name and address after they verify their phone number.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Verify
TOTP with SMS 2FA fallback
Add strong authentication with seamless fallback to SMS or WhatsApp OTPs. Seamlessly deploy with Twilio's serverless runtime.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Verify
  • Sync
Verify SNA Sample Backend
Seamlessly deploy this sample backend to use it with our iOS sample app for Verify Silent Network Auth.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Voice
  • Verify
Call forwarding with Caller ID
Forward incoming calls and get an SMS with caller ID details.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Verify
Verify TOTP
Validate Time-based One-time Passwords (TOTPs) using your favorite authenticator app like Authy or Google Authenticator, with this secure and standardized method for 2FA.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Verify
Phone Number Lookup
This tool for phone number intelligence can detect invalid phone numbers, line type, carrier, and more.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

  • Verify
SMS verification with retry logic and voice fallback
Add retry buffers and voice fallback to your verification workflows.
  • JavaScript
  • Quick Deploy
  • Applications

By Twilio

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