The following article describes how to set up and configure a sample reCAPTCHA workflow. The process is the same when incorporating reCAPTCHA verification into an existing workflow.
For process flow with images see attachment "Setting Up reCAPTCHA for PM.pdf"
Log in to your Google reCAPTCHA account.
Under “Go to the Adding reCAPTCHA to your site”
Go to ”Keys”
A “Site Key” and a “Public Key” are displayed.
Click on the Display reCAPTCHA activity to configure it.
Enter the “Site Key “ from the previous step into the “Public Key” field
Enter the “Secret key: “ from the previous step into the “Private key:” field
Click “OK and save the workflow