⚠️ Error 403: access_denied

Error Message:
"This app has not completed the Google verification process. The app is currently being tested, and can only be accessed by developer-approved testers."
✅ Quick Fix:
You need to add your Google account email as a test user in Google Cloud Console.

📋 Step-by-Step Solution:

  1. Go to Google Cloud Console
  2. Select your project from the top dropdown
  3. In the left sidebar, click APIs & Services → OAuth consent screen
  4. Scroll down to the "Test users" section
  5. Click "+ ADD USERS" button
  6. Enter your Google email address (the one you'll use to sign in)
  7. Click "SAVE"
  8. Wait a few seconds, then try authorizing again
💡 Important Notes:

• You can add up to 100 test users while your app is in Testing mode
• Each YouTube account you want to upload to must be added as a test user
• Changes take effect immediately after saving
• Your app can stay in Testing mode indefinitely for personal use

🔄 Alternative: Publish Your App (Optional)

If you want to use it with any Google account without adding test users:

  1. Go to OAuth consent screen
  2. Click "PUBLISH APP" button
  3. Confirm the publishing
  4. Note: You'll see a warning that it's unverified, but you can proceed with "Advanced" → "Go to [Your App]"
⚠️ For Production Use:

If you plan to allow public users (not just yourself), you should:
• Complete the OAuth verification process
• Submit your app for Google's review
• This process can take several weeks
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