Remove This Application Was Created By A Google Apps Script User Free 'link'
To remove the message, you need to verify your OAuth2 client ID. Here's a step-by-step guide:
For internal company apps, you can also use (no email inbox) to get rid of the banner without paying for full Gmail.
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style> * margin: 0; padding: 0; overflow: hidden; height:100vh; To remove the message, you need to verify
Instead, change your Apps Script doGet(e) function to return a TextOutput formatted as JSON rather than an HtmlOutput . You can then host your frontend entirely on a free platform like GitHub Pages, Vercel, or Netlify. Because Google is no longer rendering the HTML page, the banner will never trigger. Conclusion
Once verified, the scary message disappears and users see your app name and branding. You can then host your frontend entirely on
Google trusts internal apps within the same Workspace domain. No verification is required, and the warning is gone for all domain users.
Are you currently using a or a Workspace account ? Google trusts internal apps within the same Workspace domain
If you have a (even the free legacy edition), you can publish the script internally without verification.