What Outlook Api Do You Use For Seeing Busy/free Subject Location

What APIs can i use to see busy/free times of a contact that I'm trying to schedule with. If the contact has subject and location visible, I'd want to have access to that inform

Solution 1:

Graph includes functionality specifically for finding meeting times. You pass it a set of constrains (location, time window, etc.) and a list of attendees and it returns a list of available meeting times.