Claude · feature128 MB max request size

Valid from

2026-10-28

Valid until

still holds

Published

2026-10-28

Recorded by AsOf

2026-10-31

Checked

2026-10-31 · its source page states the value and the date

Confidence

0.70

Sources

“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 the page says, read 2026-10-31

• Claude Platform release notes, October 28, 2026primary · platform.claude.com · 2026-10-28

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