Get Instant Solutions for Kubernetes, Databases, Docker and more
Firebase Authentication is a comprehensive tool provided by Google Firebase that allows developers to easily integrate user authentication into their applications. It supports various authentication methods, including email and password, phone authentication, and federated identity providers like Google, Facebook, and Twitter. The primary purpose of Firebase Auth is to simplify the process of managing user identities and securing user data.
When using Firebase Authentication, you might encounter the error code auth/app-not-authorized
. This error typically manifests when your application attempts to access Firebase Authentication services but is not properly authorized to do so. The error message might read: "This app is not authorized to use Firebase Authentication."
auth/app-not-authorized
Mean?The auth/app-not-authorized
error indicates that the Firebase project settings are not correctly configured to allow your app to use Firebase Authentication. This could be due to several reasons, such as incorrect API key usage, misconfigured OAuth credentials, or missing app identifiers in the Firebase console.
To resolve the auth/app-not-authorized
error, follow these steps:
Ensure that the API key used in your app matches the one configured in the Firebase console:
google-services.json
for Android or GoogleService-Info.plist
for iOS).If you are using OAuth providers, make sure the redirect URIs are correctly set:
By following these steps, you should be able to resolve the auth/app-not-authorized
error and successfully authorize your app to use Firebase Authentication. For more detailed guidance, refer to the Firebase Authentication Documentation.
(Perfect for DevOps & SREs)
Try Doctor Droid — your AI SRE that auto-triages alerts, debugs issues, and finds the root cause for you.