OTP verification are very much essential for 2 Factor authentication which adds extra layer of security. So we are going to implement a basic application for the implementation of OTP validation in Xamarin forms application.
If you want to go through whole setup process then watch this tutorial : https://youtu.be/gA2KugrGIog
So first thing first :
Step 1 : Sign Up with Twilio
1. You have to enable Twilio Trail Number
2. You have to copy the AccountSID and AUTH Token and paste it inside your project.
Step2 : If you want to understand more about Twilio Dashboard and configuration watch my video : https://youtu.be/gA2KugrGIog
Step 3 : Application side :
At last working project download it from here : http://xamaringuyshow.com/otpvalidationxamformstut68/
Additional Note : If you are sending test message to some one abroad.
1.Add countries where you want to give access to.
2. Verify the user phone number [Only on the trail account]
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