app-attest changedmanage-claude/app-attest
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1717The first time your app uses Claude on a device, the app requests a challenge from Anthropic, attests the device with Apple's `DCAppAttestService`, and exchanges the verified attestation for an access token. The Claude for Foundation Models package runs this flow automatically and requests new tokens as they expire; there is no attestation code for you to write.
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19Tokens are scoped to your workspace, expire after one hour, and authorize only [Messages API](https://platform.claude.com/docs/en/api/messages/create) calls. They carry no end-user identity: App Attest identifies your app, not the person using it, so handle any per-user logic in your app.
19Tokens are scoped to your workspace, expire after 1 hour, and authorize only [Messages API](https://platform.claude.com/docs/en/api/messages/create) calls. They carry no end-user identity: App Attest identifies your app, not the person using it, so handle any per-user logic in your app.
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2121## Set up App Attest
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