Implementing user flow for your app

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While you start integrating Truecaller SDK, as the very first step, it is important to work on designing the right user flow, so that you can achieve desired results.
Truecaller SDK is a mobile number verification service, without the need for any OTP whatsoever.
The right way to implement Truecaller SDK in your mobile app, is to invoke mobile number verification via Truecaller at touch points, where you have your users to sign-up/ login/ checkout by verifying their mobile numbers.
Let us now see an example to understand how to effectively use Truecaller SDK at such touch points in your user journey
When mobile apps onboard their users, there are multiple ways in which they address the onboarding process. For example, one could address it as Get Started, Join Us, Login, Sign up, etc., shown as a button to the users, clicking which leads to the mobile number based identity verification of users. 
Here is such an example from Rapido - India’s #1 bike taxi, fulfilled over 25 million rides:
Building for Various Touch points
a. Invoking user signup/ login/ verification via Truecaller at app onboarding
Example : NoBroker - India’s leading realty app
When mobile apps onboard their users, there are multiple ways in which they address the onboarding process. For example, one could address it as Get Started, Join Us, Login, Sign up, etc., shown as a button to the users, clicking which leads to the mobile number based identity verification of users. Here is such an example from NoBroker:
b. Directly invoking verification via Truecaller
Example : Vyapar - India's fastest growing Invoice & Billing app for small businesses
Vyapar has mobile number as the primary identifier for its users. So as soon as users lands on their mobile number login/ signup screen, it invokes Verification via Truecaller, and onboards it’s users within seconds in just 1-tap
c. Performing user verification at checkout 
Example : Chalo - available in 25+ cities, tracks buses live and tells you what time your bus will reach your stop
Chalo allows users to browse through it’s app and check for bus ETAs, without needing to sign-up or log-in. However, when users wish to purchase the ticket or travel pass, it requires users to verify their mobile number.
Now that we have gone through and understood how to implement Verification via Truecaller, let’s get started with the SDK integration
Getting Started
Next - ANDROID
Scenarios for all user verifications : Truecaller and Non Truecaller Users
Last modified 2mo ago
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