What is Truecaller?


People use Truecaller to stay ahead. It helps them know who’s getting in touch, filter out unwanted calls & SMS, and focus on what really matters. The company provides a suite of unique services such as a dialer that offers caller ID, spam detection, messaging and more. Truecaller’s mission is to build trust everywhere by making communication safe and efficient.


Product Features 

With a large pool of 180+ million active users in India and being the 3rd most downloaded app in India, verification via Truecaller enables you to instantly verify/ signup/ login your users basis their mobile number, without any SMS OTP whatsoever, and along capture mapped username.


Startups can build for multiple use cases across their product stages and user funnel.


  • Mobile number based login/ signup at onboarding
  • User number verification at cart checkout
  • Auto-fill verified user details during guest checkout
  • Capture high-intent users/ leads on your campaign pages, and more
  • Available on Android, React Native, Flutter, iOS & Mobile Web

Truecallers offering

Special Features 

Mobile number verification developer kit (SDK)

100% free, no usage limits whatsoever

Technical integration support

Mentoring session/ Counselling on best practices


1 What are the advantages of Truecaller's offering to startups?

Startups can save upto 90% of their user verification/on-boarding costs as it is completely commercial free to use - no usage limits whatsoever. In turn this would enable them to optimise their app led product related operational expenses as well as generate better RoI in their marketing to user activation funnel.

To avail this offering, please apply here 


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