Claude Code on Amazon Bedrock changedamazon-bedrock
Nearest release: v2.1.293, published an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 7 Oct 2026 18:29 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 7 Oct 2026 18:37 UTC.
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173173The cache covers every credential option above except an Amazon Bedrock API key, which doesn't use the provider chain. To resolve the chain on every request instead, set [`CLAUDE_CODE_SKIP_AWS_CRED_CACHE=1`](/docs/en/env-vars).
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175Each resolve of the chain times out after 60 seconds. If a step in the chain stalls, for example a `credential_process` helper that waits for input it can't receive, the request fails with [`AWS default-chain credential resolve timed out`](/docs/en/errors#aws-default-chain-credential-resolve-timed-out). If your chain runs an interactive sign-in that legitimately needs longer, such as browser-based SSO with MFA through a wrapper like `aws-vault`, raise the limit in milliseconds with [`CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS`](/docs/en/env-vars). Before v2.1.207, a stalled credential resolution left the request waiting indefinitely.
175The resolve that fills the cache times out after 60 seconds. If a step in the chain stalls, for example a `credential_process` helper that waits for input it can't receive, the request fails with [`AWS default-chain credential resolve timed out`](/docs/en/errors#aws-default-chain-credential-resolve-timed-out). If your chain runs an interactive sign-in that legitimately needs longer, such as browser-based SSO with MFA through a wrapper like `aws-vault`, raise the limit in milliseconds with [`CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS`](/docs/en/env-vars). With `CLAUDE_CODE_SKIP_AWS_CRED_CACHE=1` set, each API request resolves the chain without this limit.
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177177Except when you authenticate with an Amazon Bedrock API key, the [setup wizard](#sign-in-with-bedrock) applies the same limit to each AWS call it makes while verifying your credentials, and to the credential lookup before each model check. During credential verification, a check that exceeds it fails with [`Timed out after 60s waiting for AWS`](/docs/en/errors#bedrock-setup-verification-timed-out-waiting-for-aws).
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