An authentication provider is a service that allows you to authenticate a user. Firebase provides email/password authentication , but there are also external authentication providers such as Facebook.
Read moreHow do I get my Firebase access token?
Do the following in your web or mobile app:
Read moreHow does authentication work in Flutter?
Upon completion of the sign-in transaction, the users authenticate with the authorization server and return to the application . Inside the AuthorizationTokenResponse result object, you receive three tokens: accessToken : an OAuth 2.0 artifact that allows the application to call secure APIs on behalf of the user.
Read moreWhat is phone number authentication?
Phone number authentication is an authentication method in which a sender sends an SMS message to a receiver’s phone . Then, the receiver logs into its phone with a one-time code provided in the SMS message.
Read moreHow do I use Firebase authentication?
Get Started with Firebase Authentication on Websites
Read moreHow do you pass the authorization header in Flutter?
“how to pass token in header in flutter” Code Answer
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