Claude Code on Claude Platform on AWS changedclaude-platform-on-aws
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#### Use AWS credentials with SigV4 #### Use a workspace API key
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208208### 1. Configure AWS credentials
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210Claude Code supports two authentication methods for Claude Platform on AWS. Choose the method that fits how your team manages access.
210Claude Code supports two authentication methods for Claude Platform on AWS. Choose the method that fits how your team manages access:
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212**Option A: AWS credentials with SigV4**
212* [AWS credentials with SigV4](#use-aws-credentials-with-sigv4): authenticate as an IAM principal, with credentials from the standard AWS credential chain
213* [Workspace API key](#use-a-workspace-api-key): authenticate with a long-lived key you generate in the AWS Console
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215#### Use AWS credentials with SigV4
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214217Claude Code signs requests with SigV4 using the standard AWS credential chain: environment variables, shared credentials in `~/.aws/credentials`, IAM roles, AWS SSO sessions, and any other sources the AWS SDK supports.
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216219For local use, log in with the AWS CLI before starting Claude Code. The example below uses an SSO profile, but any method that produces credentials in the standard locations works.
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235238With `awsAuthRefresh` configured, run `/login`, select **3rd-party platform**, then select **Claude Platform on AWS · refresh credentials** under **Using 3rd-party platforms**. Claude Code runs the configured command and re-reads your AWS credentials without a restart.
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237**Option B: Workspace API key**
240#### Use a workspace API key
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239242A workspace API key is a long-lived secret, useful when you don't want to manage federated AWS credentials. Generate one in the AWS Console under **Claude Platform on AWS → API keys** and set it as `ANTHROPIC_AWS_API_KEY`:
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