In the Apps Script editor, click Deploy > New Deployment . Select Web App and set "Who has access" to Anyone . Copy the Web App URL: It will look like https://google.com .

Method 3: Switching to Google Cloud Run (The Professional Path)

The short answer is . There is no "off switch" in the Google Apps Script settings to hide this banner.

By understanding these limitations, you can better plan your project's user experience from the start.