OAuth 2.0 client credentials flow

Concept

OAuth 2.0 grant in the Microsoft identity platform that lets a confidential client such as a background service authenticate with its own identity (secret or certificate) and application permissions instead of impersonating a user.

Title graphic: OAuth 2.0 client credentials flow (Concept)

Type	Concept
Documentation	learn.microsoft.com/en-us/entra/identity-platform/v2-oauth2-client-creds-grant-flow

Episodes about OAuth 2.0 client credentials flow

Service Accounts vs App Registrations for Power Automate…

2025-11-23 · Video on YouTube

Your Power Automate email flows aren’t clever automations, they’re HR risk wrapped in HTML. You wire a flow to a “service account,” fight through MFA once, get it working, and decide it’s done. It’s not done. It’s brittle, over-privileged, impossible to audit…

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Sources

Documentation: learn.microsoft.com/en-us/entra/identity-platform/v2-oauth2-client-creds-grant-flow
Feed for this topic (RSS): entity/client-credentials-flow/feed.xml
M365.FM episodes on this topic: 1

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-10