Any google calendar api v3 for retrieving free appointment slots ?

Google Calendar Set Up Appointment Slots

Open your calendar and select the time you want to start appointments Click Appointment slots this will change the time period from an event to an

appointment slot meaning New Appointment Schedule Features for Google Calendar Appointment scheduling, brought to replace appointment slots, makes it possible for users

appointment slot How to set-up Google Calendar appointment slots This feature is available To invite people to book appointments, don't invite them to the appointment slot