Reserved Claim Name


Reserved Claim Name (JSON Web Token Claims) None of the claims defined in the list below are intended to be mandatory, but rather, but recommended, and provide a set of useful, interoperable claims. Some of them are:
  • iss (issuer)
  • exp (expiration time)
  • sub (subject)
  • aud (audience)
and others.

Reserved Claim Name are "registered" in an IANA Registry defined in JSON Web Token (RFC 7519) available in the IANA Registry JSON Web Token Claims Registry

All the names are short because a core goal of JWTs is for the tokens to be compact.

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