Integrate One Tap WhatsApp Sign In into your application using Firebase OpenID Connect.
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Go to Firebase Console🔗
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Navigate to Authentication > Sign in method
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Click on OpenID Connect
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Enable OpenID Connect and select Code flow
- Add required fields from your OTPless docs
- Copy the
Provider Id
to use in your app. - Click Next > Copy the Callback URL and Hit Save
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Finally paste the Callback URL from the previous step in the Callback URL field in the OTPless docs and hit save.
Follow Firebase official docs to complete the authentication setup for your app's platform.