← Back to glossaryGlossary

Token Lifetime/Expiration (exp Claim)

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

Token lifetime is the period a token remains valid before it expires. Short lifetimes reduce risk, but they require reliable renewal logic.

§01 / QUESTIONSterm: Token Lifetime/Expiration (exp Claim)
Questions

Common questions.

What is Token Lifetime/Expiration (exp Claim)?

Token lifetime is the period a token remains valid before it expires.

How does Token Lifetime/Expiration (exp Claim) work?

Short lifetimes reduce risk, but they require reliable renewal logic.

Which terms are related to Token Lifetime/Expiration (exp Claim)?

Closely related concepts include Token Budget, Token, Inference Cost, JWT Issuer (iss) Claim (Agent). Each is defined in the Prefactor glossary.

§02 / RELATEDnext: where this fits
Keep reading

Where this fits.

See how every agent performs, and make it better

Prefactor helps teams observe, evaluate, and improve their AI agents in production, across every framework and provider.