---
title: Introspection endpoint
sidebar_custom_props:
    termName: Introspection endpoint
    tags:
        - OAuth2/OIDC
    shortDescription: Endpoint to validate opaque tokens.
    longDescription: RFC 7662 endpoint that returns whether a token is active along with subject, scopes, audience, and expiry. Typically requires client authentication and is used when tokens are opaque.
---
