Verification for iOS

Verify phone numbers and users in iOS. The Sinch Verification SDK for iOS supports verification of phone numbers via SMS, flashcall, callouts and seamlessly (by using your mobile data connection). The SDK is also available for Android.

This document provides an overview for developers integrating with Sinch Verification SDK for the first time.

**WARNING: Important notice #1 - Setting Callback URL **

In order to securely authorize verification requests your application has to have correctly assigned Callback URL inside Sinch Web Portal. More information how callback url works can be found here.

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