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Anthropic Messages API Now Available on Amazon Bedrock in Research Preview — First-Party API Shape Inside AWS Security Boundary
Anthropic's Messages API is now available on Amazon Bedrock as a research preview, offering the same request format as the first-party Claude API but running entirely on AWS-managed infrastructure with zero Anthropic personnel access. Available in us-east-1 with a default quota of 2M input tokens per minute (expandable to 4M). This lets enterprises build sensitive applications inside the AWS security boundary while using identical API shapes — a significant step toward enterprise adoption without data-sovereignty concerns.
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