Phone Number Verification
Protect your users and platform with reliable global verification via SMS and Voice.
Phone Number Verification
Protect your users and platform with reliable global verification via SMS and Voice.
What is Verify?
CTL Telecom's Verify API helps you confirm phone numbers in real-time using SMS or voice calls. It's the easiest way to prevent fake accounts, reduce fraud, and improve user onboarding.
- Send secure OTPs via SMS or voice call
- Auto-expiring codes and retry logic
- Global delivery in 200+ countries
- Customizable message templates
- Real-time verification result tracking
When to Use Verify
- Account sign-up and registration
- Two-factor authentication (2FA)
- Password reset confirmation
- Phone number change verification
- Secure transactions and checkout
Why Choose CTL Verify API?
- Lightning-fast OTP delivery
- Fallback to voice if SMS fails
- Global language and template support
- Fraud prevention & duplicate number filtering
- Full API documentation & sandbox mode
Verify Your Users with Confidence
Build trust from the first step. Start verifying phone numbers with our reliable SMS and voice services.