AI engineering glossary · Web APIs HTTP

What is JWT claims?

JWT claims: The statements stored in a JSON Web Token payload, such as sub (subject), iss (issuer), aud (audience) and exp (expiry time). Servers check them, especially exp and aud, before trusting the token.

Level: advancedTopic: Web APIs HTTP

JWT claims: an example

A payload with exp earlier than the current time causes the server to reject the token.

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Where you learn it

JWT claims is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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