However, OAuth is directly related to OpenID Connect (OIDC), since OIDC is an authentication layer built on top of OAuth 2.0. OAuth is also unrelated to XACML, which is an authorization policy standard.

It replaced OAuth 1.0 in 2012 and is now the de facto industry standard for online authorization. OAuth 2.0 provides consented access and restricts actions of what the client app can perform on resources …

OAuth, or Open Authorization, is an authorization framework that allows an application to be authorized to access a resource.

OAuth 2.0 is the industry-standard protocol for authorization. OAuth 2.0 focuses on client developer simplicity while providing specific authorization flows for web applications, desktop applications, …

Jan 9, 2026 · OAuth is an open-standard authorization protocol that allows applications to access user data without requiring the user’s password. It enables secure delegated access, commonly …

OAuth is a technical standard for authorizing users. It is a protocol for passing authorization from one service to another without sharing the actual user credentials, such as a username and password.

Jan 27, 2026 · Learn OAuth 2 fundamentals, how authorization works, and how to securely grant API access. Covers roles, grant types, and when to use each flow.

Open authorization (OAuth) is an open-standard authorization framework that grants applications access to an end user’s protected resources—such as their photos, calendars or social media …

Feb 13, 2024 · OAuth 2.0 is an authorization framework that enables applications to obtain limited access to user accounts on an HTTP service.

Sep 7, 2023 · Learn what OAuth 2.0 is, how it works, and why it has become the industry standard for authorization and authentication.