description Microsoft Graph API Overview
For large enterprises already invested in the Microsoft 365 suite, the Graph API is not a direct organizational tool but the critical connective tissue. It allows third-party applications to programmatically access and organize data residing across Teams, SharePoint, OneDrive, and Exchange. It is the backbone for building custom, unified data views across a massive, pre-existing corporate infrastructure.
help Microsoft Graph API FAQ
What can Microsoft Graph API read from Microsoft 365?
Microsoft Graph exposes data from services such as Outlook, Teams, OneDrive, SharePoint, Planner, and Entra ID through one REST API. The common endpoint is graph.microsoft.com.
Why do Graph API permissions confuse enterprise teams?
Graph uses delegated permissions for user-context access and application permissions for app-only access. A Teams message export, a SharePoint file sync, and a user profile lookup can require very different admin consent scopes.
Can Graph API keep a database synced without re-reading everything?
Yes, many Microsoft Graph resources support delta queries so an app can ask for changes since the last sync. That pattern is common for OneDrive, SharePoint, and directory data because full scans become expensive in large tenants.
Is Microsoft Graph a replacement for SharePoint or Teams?
No, it is an API layer over Microsoft 365 services rather than an end-user workspace. Developers use it to build apps that organize files, messages, calendars, and users already living in SharePoint, Teams, Outlook, and OneDrive.
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