---
title: Identity Provider (IdP)
sidebar_custom_props:
    termName: Identity Provider (IdP)
    tags:
        - Core Concepts
    shortDescription: Authority that authenticates users and issues assertions/tokens.
    longDescription: In SAML, the IdP issues assertions. In OIDC, this role is fulfilled by the OpenID Provider (OP), which is also the Authorization Server (AS) in OAuth2 terms; it authenticates users, obtains consent, and issues tokens.
---
