How to add reCAPTCHA to your gravity forms

  1. Go to Google reCAPTCHA and register your site. In order to see your existing sites, go to your dashboard.
  2. Copy Site Key and Secret Key.
  3. Login in WordPress and go to Forms > Settings.
  4. Paste the keys from step 2.
  5. Go in your form, and drag the captcha from the advanced fields.