How to enable invisible reCAPTCHA in Joomla website builder Gridbox?

Gridbox Comments App allows adding Invisible reCAPTCHA to protect comments on your Joomla sites from spambots. 

Invisible reCAPTCHA configuration

1. Go to: Extensions ➝ Plugin Manager find the plugin CAPTCHA - Invisible reCAPTCHA and enable it.
2. Enter the Site Key and Secret Key.

• Site and Secret key you can generate here: Create Invisible reCAPTCHA key​

How to protect comments from spam, see the documentation:

• Spam protection