Turnstile Captcha Addon
Activate Turnstile Captcha Integration Addon from BookingPress -> Addons
page.
BookingPress provides turnstile captcha addon to protect your site from spam and abuse with Appointment forms.
To configure the plugin, go to BookingPress -> General Settings -> Integrations -> Turnstile Captcha.
You can add Turnstile Captcha Site Key, Site Secret, Turnstile Captcha Theme, Captcha Failed Message, and Captcha Complete Check Message.

If you don’t have a Turnstile Captcha Site Key, then you can create a free Site key from here.
After the integration is completed, to add the Turnstile Captcha to the Booking Form, go to BookingPress
-> Customize
-> Forms
, here, from the left side Form Options
panel, switch on Enable Turnstile Captcha
the option and save the settings.
After the configuration is completed, users will be able to use Captcha on the appointment booking form in the “Basic Details” section.