Signing in users with a phone number on Identity Platform
This document shows you how to use Identity Platform to sign in users with a phone number.
Before you begin
- Sign in to your Google Cloud account. If you're new to Google Cloud, create an account to evaluate how our products perform in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads.
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In the Google Cloud console, on the project selector page, select or create a Google Cloud project.
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Verify that billing is enabled for your Google Cloud project.
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In the Google Cloud console, on the project selector page, select or create a Google Cloud project.
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Verify that billing is enabled for your Google Cloud project.
- Enable Identity Platform. See the Quickstart to learn how.
Enable phone sign-in for Identity Platform
Go to the Identity Providers page.
On the Identity Providers page, click Add a provider.
In the Select a provider list, select Phone.
Click the Enabled toggle to on.
To save the provider settings, click Save.
Configure phone sign-in for your app platform
If you are using Identity Platform for Apple, Android, or web platforms, you must also configure your app from the Firebase console.
For Apple platforms:
- Enable phone number sign-in for your Firebase project.
- Enable app verification with silent push notifications.
For instructions, see Authenticate with Firebase on Apple platforms using a phone number.
For Android platforms:
- Enable phone number sign-in for your Firebase project.
- Enable app verification with the Play Integrity API.
For instructions, see Authenticate with Firebase on Android using a phone number.
For web platforms:
- Enable phone number sign-in for your Firebase project.
- Set up the reCAPTCHA verifier.
For instructions, see Authenticate with Firebase with a phone number using JavaScript.
What's Next
- Learn how to register test phone numbers for development purposes.