See what you can build with Twilio. Get started with code samples.
Examples: Voice IVR, Appointment reminders
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Get started with code samples for common Twilio use cases.
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.
- Quick Deploy
TOTP with SMS 2FA fallback
Add strong authentication with seamless fallback to SMS or WhatsApp OTPs. Seamlessly deploy with Twilio's serverless runtime.
Verify SNA Sample Backend
Seamlessly deploy this sample backend to use it with our iOS sample app for Verify Silent Network Auth.
Verify Push with the Authy App
Spin up a sample backend for Verify Push and issue push authentication challenges on the Authy Android App, Authy iOS App or Authy Desktop app.
Call forwarding with Caller ID
Forward incoming calls and get an SMS with caller ID details.
Phone Number Lookup
This tool for phone number intelligence can detect invalid phone numbers, line type, carrier, and more.
SMS verification with retry logic and voice fallback
Add retry buffers and voice fallback to your verification workflows.
Verify Push Sample Backend
Get up and running quickly with this sample backend to use with our iOS and Android sample apps for Verify Push.
- Quick Deploy
- Building blocks
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