(Updated) Microsoft Teams: Microsoft Graph APIs for Teams administration now available in beta

Microsoft Graph now offers Teams administration APIs: Teams User Configuration API (V1.0), Number Management, and Policy Assignment APIs (beta). These enable automation of user settings, phone number management, and policy assignments for Teams admins. APIs support delegated and application permissions in commercial environments.

Updated January 20, 2026: We have updated the content. Thank you for your patience. 

Microsoft Graph now includes APIs that support Teams administration scenarios through beta:

• Teams User Configuration API - Available through V1.0
• Number Management APIs - Available through beta
• Policy Assignment APIs - Available through beta

These APIs enable programmatic access to user configurations, telephone number management, and policy assignments—helping organizations automate and scale Teams management. They are designed to support extensibility, automation, and integrations with your existing tools and workflows.

[When this will happen:]

Please note that only Teams User Configuration API is currently available via the Microsoft Graph through V1.0, rest of the two APIs (Number Management and Policy Assignment) are currently available via the Microsoft Graph through beta. They are supported in commercial environments and accessible through both delegated and application permissions.

[How this affects your organization:]

• Who is affected: Admins managing Teams users, policies, or voice configurations.
• What will happen:
  • Teams User Configuration API: Retrieve detailed Teams settings for users, including effective policy assignments and voice attributes. Details: List userConfigurations - Microsoft Graph v1.0 | Microsoft Learn
  • Number Management APIs: Retrieve telephone number details, assign, and unassign telephone numbers. Details: List numberAssignments
  • Policy Assignment APIs: Assign or unassign Teams policies for users. Details: teamsPolicyUserAssignment: assign

[What you can do to prepare:]

• Begin exploring the APIs using the Microsoft Graph V1.0/beta endpoints.
• Ensure your applications and scripts use the appropriate permission scopes.
• For feedback or questions, contact: TeamsAdminGraphApi@microsoft.com

Learn more:

• User Configuration Graph API - List userConfigurations | Microsoft Graph | Microsoft Learn
• Number Management Graph API(s) - List numberAssignments | Microsoft Graph | Microsoft Learn
• Policy Assignment/Un-Assignment Graph API(s) - teamsPolicyUserAssignment: assign | Microsoft Graph | Microsoft Learn

[Compliance considerations:]

No compliance considerations identified, review as appropriate for your organization.