How do I protect my responses from automated submissions?
By default, QB bots trust your users to be humans
However, it’s possible that some people will want to build a script to automate interaction with the bot to submit some spam email addresses or other content
To prevent it, QB has Google reCAPTCHA integration in the invisible variant. By default, only the most suspicious traffic will be prompted to solve a captcha.
To enable reCAPTCHA protection, go to Bot Settings > Behavior > advanced section at the bottom: