API security
Token Introspection
Token introspection is the process through which a protected service checks the current status and properties of a token with a trusted authority.
Definition
Token introspection is a validation pattern in which the receiving service queries a trusted authorization component to determine whether a presented token is active and what properties are attached to it. It is useful when real-time control over token state is required.
The Ariovis perspective
Tokens are part of an access architecture, not a substitute for identity governance or authorization. Their scope, lifetime, validation and revocation must match the risk of the API and user journey.
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