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How to implement phone number verification in Flutter. In my app user is signed in via email, after the sign in process i need to add the phone number and verify it via OTP. I tried in Firebase the phone number verification is added with the authentication flow.

I don’t want to include the authentication flow, i just need to verify the number. How to implement this?

Please someone help me on this.

Elam
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It is not possible to implement phone number verification without using Firebase Authentication as phone number verification is a feature within the Firebase Authentication system.

HoRiz
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  • Can you suggest any other method to achieve this without Firebase. – Elam Jan 31 '23 at 10:05
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    you can consider using a third-party service such as Twilio or Nexmo, which provide APIs for voice calls and SMS verification. – HoRiz Jan 31 '23 at 13:45
  • Thanks for help @HoRiZ. i will check the third party service. – Elam Jan 31 '23 at 18:24