Microsoft Graph

What is Microsoft Graph?

Microsoft Graph is a unified application programming interface (API) that provides access to data and functionality across Microsoft cloud services. Through Microsoft Graph, applications can work with users, groups, calendars, email, files, and devices within a single, consistent framework.

Microsoft Graph acts as a shared data and access layer on top of multiple Microsoft services. Instead of calling separate APIs for different products, developers use a single interface. This simplifies development, improves consistency, and enables cross-service solutions that combine data from multiple sources.

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Key use cases:

  • User data: access to profiles, roles, and permissions
  • Collaboration: working with email, calendars, contacts, and files

  • Automation: integration between applications and workflows

  • Insights: contextual information about service usage

History

Microsoft Graph was introduced as an evolution of previously separate APIs within the Microsoft ecosystem. The goal was to provide a unified way to expose data and capabilities from cloud services. Over time, Graph has become the primary access point for developers building on Microsoft platforms.

In Microsoft environments

Within Microsoft environments, Microsoft Graph is used as a central integration surface for custom applications, automation, and system integration. The platform is closely integrated with identity, security, and access control.

Summary

Microsoft Graph is a unified API that simplifies access to data and capabilities across Microsoft cloud services, enabling integrated and connected solutions.