# clm_97BD5FB49CE1

subject: Claude (/record/claude.md)  
predicate: feature_added  
value: 128 MB max request size  
valid_from: 2026-10-28  
valid_to: null  
published: 2026-10-28  
recorded: 2026-10-31  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> October 28, 2026  We’ve raised the maximum request size for the Messages API and the Token Counting API from 32 MB to 128 MB on the first-party Claude API.

What https://platform.claude.com/docs/en/release-notes/overview#2026-10-28 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-10-28 (primary, Anthropic, published 2026-10-28)

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