Truecaller SDK for mobile apps

Verify user mobile numbers without sending an SMS/drop-call.

Get started

How it works

User clicks on a defined CTA (button)
User clicks CONTINUE to proceed with Truecaller-verified mobile number & profile
User successfully verified without OTP, and logged-in/ signed-up


Reduce drop-offs while onboarding

Complete verification in seconds

Same user across all your apps

One user, one verification

Genuine user details auto-filled

Trusted Truecaller mobile identities

Your app Your UI

Quick to Integrate with just a few lines of code

Don't lose focus from your business

Uses Truecaller’s world-class verification infrastructure


Quick to Integrate with just a few lines of code

Get Started with Truecaller SDK

For mobile apps

Android, iOS, React Native

For mobile web apps

Mobile web, Progressive web apps
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