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JWT Issuer (iss) Claim (Agent)

Reviewed 19 July 2026Canonical definitionPart of: AI Agent Cost & Token Terms →

The JWT issuer claim identifies the authorization server or identity provider that issued the token. Receivers use it to check that the token came from a trusted issuer.

§01 / QUESTIONSterm: JWT Issuer (iss) Claim (Agent)
Questions

Common questions.

What is JWT Issuer (iss) Claim (Agent)?

The JWT issuer claim identifies the authorization server or identity provider that issued the token.

How is JWT Issuer (iss) Claim (Agent) used in production?

Receivers use it to check that the token came from a trusted issuer.

Which terms are related to JWT Issuer (iss) Claim (Agent)?

Closely related concepts include Token, Inference Cost, Token Budget, Token Economics. Each is defined in the Prefactor glossary.

§02 / RELATEDnext: where this fits

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