How to Fix Spotube Error 400 – Authentication Error (Complete Guide)

How to Fix Spotube Error 400 (Authentication Error) – Quick & Easy Fixes!

Spotube is a fantastic lightweight, ad-free Spotify client that enhances your music streaming experience. However, some users encounter Error 400 (Authentication Error), preventing the app from working correctly. This error typically occurs due to authentication issues, incorrect API keys, or rate-limiting problems.

In this guide, we’ll explore the causes of Spotube Error 400 and provide step-by-step solutions to resolve it quickly.

What Causes Spotube Error 400?

Error 400 is an HTTP status code indicating a “Bad Request. When Spotube fails to authenticate with Spotify’s servers, this error appears. Common causes include:

✔ Expired or invalid authentication token
✔ Incorrect Spotify API credentials (Client ID/Secret)
✔ Outdated Spotube version (incompatible with Spotify’s API changes)
✔ Corrupted cache files interfering with authentication
✔ Rate limiting (too many requests sent to Spotify’s servers)

How to Fix Spotube Error 400 – Step-by-Step Solutions

1. Log Out and Log Back Into Spotube

A simple token refresh often resolves authentication issues.

  1. Open Spotube.
  2. Go to Settings > Account.
  3. Click Log Out.
  4. Restart Spotube and log in again.

This refreshes your authentication token and may fix Error 400.

2. Verify Your Spotify API Credentials (If Using Custom Keys)

If you manually entered Spotify API keys, ensure they are correct:

  1. Visit the Spotify Developer Dashboard.
  2. Check your Client ID and Client Secret.
  3. Open Spotube and re-enter these credentials in the settings.
  4. Restart the app.

Note: If you don’t have API keys, consider generating new ones or using Spotube’s default authentication.

3. Update Spotube to the Latest Version

An outdated Spotube version may conflict with Spotify’s API changes.

  1. Visit the Official Spotube GitHub Repository.
  2. Download the latest release.
  3. Install the update and restart the app.

4. Clear Spotube’s Cache (Fix Corrupted Files)

Corrupted cache files can cause authentication failures.

On Windows:

  1. Press Win + R, type %appdata%, and press Enter.
  2. Locate the Spotube folder and delete its contents.
  3. Restart Spotube.

On Linux/macOS:

  1. Open a terminal and run:
    bash
    Copy
    rm -rf ~/.cache/spotube
  2. Restart the app.

5. Wait for Rate Limits to Reset

If you’ve sent too many requests, Spotify may temporarily block access.

✅ Solution: Wait 30-60 minutes before using Spotube again.

Final Thoughts

Spotube Error 400 is usually fixable with these troubleshooting steps. Start by refreshing your loginchecking API keys, or updating the app. If the issue persists, clearing the cache or waiting for rate limits should help.

🔹 Found this guide helpful? Share it with other Spotube users!
🔹 Still facing issues? Drop a comment below for further assistance.

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