{"id":"clm_E22810058A04","entity":"amazon-web-services","predicate":"available_in","value":"us-east-1","value_json":{"feed":"claude-platform-release-notes","item":"https://platform.claude.com/docs/en/release-notes/overview#2026-04-07","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-11-01","themes":["developer_platform","compute_infra"]},"check":{"on":"2026-11-01","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-04-07","pages":1,"quote":"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 ;","outcome":"checked"},"evidence":"We announced Claude Mythos Preview is available as a gated research preview for defensive cybersecurity work as part of Project Glasswing . Access is invitation-only. · The Messages API is now available on Amazon Bedrock as a research preview. The new Claude in Amazon Bedrock endpoint at /anthropic/","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-04-07","valid_to":null,"published":"2026-04-07","recorded":"2026-11-01","confidence":0.5,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-01T19:33:58.063867+00:00","updated_at":"2026-11-01T23:16:00.299262+00:00","sources":[{"url":"https://platform.claude.com/docs/en/release-notes/overview#2026-04-07","tier":"secondary","publisher":"Anthropic","published_at":"2026-04-07T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-01","quote":"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 ;","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-04-07","excerpt":"We announced Claude Mythos Preview is available as a gated research preview for defensive cybersecurity work as part of Project Glasswing . Access is invitation-only. · The Messages API is now available on Amazon Bedrock as a research preview. The new Claude in Amazon Bedrock endpoint at /anthropic/"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{"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."},"checked_by":{"page-read":"its source page states the value and the date"}}}