reCAPTCHA
reCAPTCHA is a free Google service that allows web hosts to distinguish between human and automated access to their websites, thereby protecting them from spam and abuse.
Only works with ReCaptcha v3.
  • Site Key - the site key is used to activate the reCAPTCHA service on your website.
  • Private Key - the secret key enables communication between your application's backend and the reCAPTCHA server in order to validate the user's response. For security reasons, the secret key must be kept secure.
You can learn how to obtain a Google ReCaptcha Key by visiting this page: https://www.google.com/u/1/recaptcha/admin/create
An example of how to correctly fill the page is shown on the screen below:
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