I have used “Contact Form 7” a slew of times, but never added Captcha to it. I doing some research I see they have added it to their latest release 7.5.1. I installed a new install of WordPress and installed the latest version of Contact Form 7, and followed the instructions from the following page.

It was super easy to do. If you are using Contact Form 7 and haven’t implemented ReCaptcha you will want to check it.

I hope this helps someone else out there…