Registrations open for Early Access of Truecaller Full Stack SDK

Truecaller SDK for
mobile web apps

Verify user mobile numbers in 1-tap,
without SMS OTP whatsoever.

Android browsers
View documentation

How it works

User clicks on PROCEED
to complete order booking
User clicks CONTINUE to proceed with
Truecaller-verified mobile number & profile
User successfully verified without OTP,
and logged-in/ signed-up


Reduce drop-offs
during login, and more

Complete verification in seconds

Same user across
all your apps

One user, one verification

Capture genuine
user details

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

Simple mobile
deeplink based flow

Quick to Integrate with just a few lines of code
India’s 360 degree home solution, starting from construction to maintenance.
"With verification via Truecaller, our users can login on Housejoy mobile site, in just one click without the hassle of the typical two-step verification process. The experience has seamless and has helped ramp up our daily registrations. With this, we were able to reduce user drop offs and eventually increase engagement across the board.”
Raju Bommani, Housejoy
of all users onboarded via Truecaller
increase in successful user signups
Truecaller SDK for mobile web apps
View documentation
Get Started