Coding⏱️ 2 min read📅 2026-06-03

How to Fix: HTTP Error: 401 while setting up firebase cloud functions for android project

Firebase authentication issue resolved by enabling anonymous auth in Firebase Console.

Quick Answer: Enable anonymous authentication in the Firebase Console to resolve the HTTP Error 401.

The HTTP Error: 401 indicates that Firebase Cloud Functions are unable to authenticate your credentials, which is a requirement for using the service. This error usually occurs when the authentication credentials provided by Firebase are invalid or missing.

🔍 Why This Happens

  • Missing or incorrect Firebase configuration files, such as the `google-services.json` file.

🛠️ Step-by-Step Verified Fixes

Method 1: Check Firebase Configuration Files

  1. Step 1: Ensure that the `google-services.json` file is present in your project's root directory.

Method 2: Update Firebase Authentication

  1. Step 1: Run the command `firebase login` and select the option to use your account.

💡 Conclusion

To resolve this issue, make sure that you have correctly set up Firebase Cloud Functions and updated the authentication credentials. If you continue to encounter errors, refer to the official Firebase documentation for further assistance.

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