# clm_AE87F8D9BC95

subject: Claude (/record/claude.md)  
predicate: feature_added  
value: expires_at  
valid_from: 2026-07-08  
valid_to: null  
published: 2026-07-08  
recorded: 2026-11-10  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-10  
cite: AsOf. "Claude feature added: expires_at", as of 2026-07-08. Claim clm_AE87F8D9BC95, https://asof.is/claim/clm_AE87F8D9BC95, accessed 2026-11-11. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-07-08.  
checked: 2026-11-10 · its source page states the value and the date  

> Requests sent without the header use the current response format: file expiration (set expires_in_seconds when you upload a file; file objects report expires_at ), and page and next_page pagination plus an ids[] filter when you list files .

What https://platform.claude.com/docs/en/release-notes/overview#2026-07-08 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-07-08 (primary, Anthropic, published 2026-07-08)

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