Drive user growth with instant & hassle-free verification for your users Improve your user funnel for more users with mobile number verification SDKs for mobile web and apps. GET STARTED 100% free, no usage limits whatsoever Used by leading products With Truecaller SDK, you achieve Convert more users by reducing drops in lesser steps Leverage scale of 250+ million verified Truecaller app users Build with world-class verification infrastructure Quick integration time with standard, light-weight SDKs Build for multiple use cases across your 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 user/ leads on your campaign pages and more… SEE HOW Rapido - India’s largest bike taxi service, operating in over cities with 50+ million rides "No mobile identify toolkit is simpler than Truecaller SDK. It was quick to setup and we could go live within a day. We observed that it helped us in reducing user drop offs and increasing engagement. With the mass scale that Truecaller has, I strongly recommend using Truecaller SDK to every mobile first company out there." - Rishikesh SR, co-founder CTO, Rapido SEE HOW 16% More users signed-up on Rapido app, with improved install-to-signup ratio Android Digiduka implemented the Truecaller SDK to reduce the UX friction and SMS related costs associated with sending out the “one-time password” (OTP). Truecaller’s single sign-in SDK makes the user experience seamless and reliable, while also eliminating Bulk SMS costs of sending out the OTP. Roy Njoka, Co-founder, Digiduka SEE HOW Android Truecaller is a household name in Kenya and we are excited to partner with them to enable a much smoother user onboarding. We are confident that this partnership will help us enhance the user experience and further grow the service. Kamal Budhabhatti, CEO, Little Cabs SEE HOW Android Truecaller SDK helped us to solve the slow sign up process which was the main problem for our app. Now the users can sign up easily with just one click, hardly takes 3 seconds or lesser. Today 40% of users are onboarded via Truecaller SDK. Islam Abdel Raheem , Founder, Mn Ahyaha SEE HOW SEE MORE FEATURED APPS Get Started with Truecaller SDK For mobile apps Android, iOS, React Native For mobile web apps Mobile web, Progressive web apps GET STARTED Developers For mobile apps For mobile web Developer Success FAQ Get Started Contact & Support Documentation & SDK Android iOS Mobile websites Flutter Apps React Apps Let’s Get Social Twitter icon LinkedIn icon Meetup icon Facebook icon This page is protected by reCAPTCHA, and subject to the Google Privacy Policy and Terms of service. Copyright © 2009-2020 True Software Scandinavia AB. All rights reserved. Truecaller™ is a registered trademark. Responsible publisher: Alan Mamedi appointed by True Software Scandinavia AB. Database name: Truecaller.com Terms of service Privacy policy Cookie policy