Adding Google Captcha to Gravity Forms

In order to reduce the amount of spam messages you get through your contact forms you can add Google's reCAPTCHA services. This free tool adds a "I'm not a robot" box to your forms, to make it harder for bots to fill them in.

Learn more and sign up at at https://www.google.com/recaptcha/about/

Once you have an account click [v3 Admin Console] at the top of the page. 

Click the [+] in the top right corner to add a new site 

Fill in the form making sure to select "Challenge (v2) from the reCAPTCHA type

Once you submit the form you will be given two codes, a site key and secret key. Put these somewhere safe as you will need them in a few minutes. 

Now return to your website and navigate to [Forms] [Settings] then click "reCAPTCHA" 

Enter your codes and select "Checkbox" 

Complete the CAPTCHA and then click [Save Settings]

Now navigate to your form and add a CAPTCHA from the "Advance Fields Section" and save your form.

Your form will now have a Google reCAPTCHA that needs to be completed before it can be submitted.