In this article post, let us look at the way of accessing the Office 365 calendar events programmatically using REST APIs.
In the samples shown, calendar events will be accessed from SharePoint portal pages using two ways. One way is to use the graph API and the other way is using the outlook API.
Outlook API vs Microsoft Graph API:
Outlook API has lot of API end points to access the mailbox data in office 365 or other Microsoft mailbox services. It has around 11 API subsets for accessing various components under outlook like calendar, contacts, etc.
Microsoft Graph API, helps getting connected to multiple Microsoft products or services. The services include outlook, teams, SharePoint, people etc. This also helps in accessing other user information as well.