Microsoft identity platform and OAuth 2.0 authorization code flow
Jan 9, 2026 · The OAuth 2.0 authorization code grant type, or auth code flow, enables a client application to obtain authorized access to protected resources like web APIs. The auth code flow …
OAuth 2.0 authorization with Microsoft Entra ID
Feb 23, 2024 · The Open Authorization (OAuth) 2.0 is the industry protocol for authorization. It allows a user to grant limited access to its protected resources. Designed to work specifically with Hypertext …
OAuth 2.0 and OpenID Connect protocols - Microsoft identity platform
May 14, 2025 · Learn about OAuth 2.0 and OpenID Connect in Microsoft identity platform. Explore authentication flows, endpoints, and secure user authentication.
OAuth 2.0 client credentials flow on the Microsoft identity platform ...
Jan 30, 2026 · The OAuth 2.0 client credentials grant flow permits a web service (confidential client) to use its own credentials, instead of impersonating a user, to authenticate when calling another web …
OAuth 2.0 device authorization grant - Microsoft identity platform
Jan 4, 2025 · Sign in users without a browser. Build embedded and browser-less authentication flows using the device authorization grant.
Microsoft identity platform and OAuth 2.0 On-Behalf-Of flow
Jan 4, 2025 · This article describes how to use HTTP messages to implement service to service authentication using the OAuth2.0 On-Behalf-Of flow.
Authentication protocols in agents - Microsoft Entra Agent ID
Apr 8, 2026 · Agents use OAuth 2.0 protocols with specialized token exchange patterns enabled by Federated Identity Credentials (FIC). All agent auth flows involve multi-stage token exchanges where …
Agent OAuth flows - On-behalf-of flow - Microsoft Entra Agent ID
Apr 8, 2026 · Learn how agent applications operate on behalf of signed-in users using OAuth 2.0 On-Behalf-Of flows with agent identity blueprints and agent identities.
Scopes and permissions in the Microsoft identity platform
Jul 24, 2025 · The Microsoft identity platform implements the OAuth 2.0 authorization protocol. OAuth 2.0 is a method through which a third-party app can access web-hosted resources on behalf of a …
Set up OAuth 2.0 client credentials flow - Azure AD B2C
The OAuth 2.0 client credentials grant flow permits an app (confidential client) to use its own credentials, instead of impersonating a user, to authenticate when calling web resource, such as REST API. This …
Authenticate an IMAP, POP or SMTP connection using OAuth
Feb 1, 2024 · Learn how to use OAuth authentication with your IMAP, POP, and SMTP applications.