# clm_E22810058A04

subject: Amazon Web Services (/record/amazon-web-services.md)  
predicate: available_in  
value: us-east-1  
valid_from: 2026-04-07  
valid_to: null  
published: 2026-04-07  
recorded: 2026-11-01  
confidence: 0.50  
status: unverified  
assertable: false (unverified: Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it.)  
superseded_by: null  
last_updated: 2026-11-01  
checked: 2026-11-01 · its source page states the value and the date  

> The Messages API is now available on Amazon Bedrock as a research preview. The new Claude in Amazon Bedrock endpoint at /anthropic/v1/messages uses the same request shape as the first-party Claude API and runs on AWS-managed infrastructure with zero operator access. Available in us-east-1 ;

What https://platform.claude.com/docs/en/release-notes/overview#2026-04-07 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-04-07 (secondary, Anthropic, published 2026-04-07)

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