Enabling a Captcha on a payment page
In the "Page Settings" tab of your payment page there is an option to apply a captcha.**
** the default theme must being used
After saving the page settings, a Captcha widget will appear in the payment page preview. (The language of the Captcha UI is set by the language of your browser.)
Confirming the Captcha
The Captcha will appear on the payment page just above the submit button. The Captcha can be verified by selecting the "check mark" in the UI element.
If you submit the form without verifying the Captcha, you will get an error message!