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77<Note>
88 * To connect Claude Code on your own machine to an existing gateway, see [Connect Claude Code to an LLM gateway](/docs/en/llm-gateway-connect)
9 * For what Claude Code sends to a gateway and what to forward, see the [gateway protocol reference](/docs/en/llm-gateway-protocol)
9 * For what Claude Code sends to a gateway and what to forward, see the [gateway compatibility guide](/docs/en/llm-gateway-protocol)
1010</Note>
1111
1212## Prerequisites
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259259| New Claude models become available | Developers selecting a new model name get `404`; the `/model` picker doesn't list it | Add the model name to the gateway's routing configuration, then re-run the [routing check](#confirm-the-gateway-routes-your-models). If you distribute `ANTHROPIC_MODEL` or the default-model variables, update the managed settings |
260260| Credentials expire or need rotation | All developer requests start failing with `401` from the upstream | Rotate the gateway's provider credential on its own schedule; developer keys rotate at the gateway, and an [`apiKeyHelper`](/docs/en/llm-gateway-connect#rotate-credentials-with-apikeyhelper) handles per-developer rotation without redistributing settings |
261261
262When sizing per-key rate limits, account for the client [retrying transient failures](/docs/en/errors#automatic-retries), including `429` responses, up to 10 times with backoff, honoring `Retry-After`. Keep the [protocol reference](/docs/en/llm-gateway-protocol) as the contract for what each Claude Code release sends.
262When sizing per-key rate limits, account for the client [retrying transient failures](/docs/en/errors#automatic-retries), including `429` responses, up to 10 times with backoff, honoring `Retry-After`. Keep the [compatibility guide](/docs/en/llm-gateway-protocol) as the reference for what each Claude Code release sends.
263263
264264## Related resources
265265
266266* [Connect Claude Code to an LLM gateway](/docs/en/llm-gateway-connect): the developer-facing setup steps, with per-surface configuration and a troubleshooting table you can hand to developers
267* [Gateway protocol reference](/docs/en/llm-gateway-protocol): the wire contract for gateway operators, covering endpoints, headers to forward, and the feature pass-through table
267* [Gateway compatibility guide](/docs/en/llm-gateway-protocol): the reference for gateway operators, covering endpoints, headers to forward, and the feature pass-through table
268268* [Which value Claude Code uses](/docs/en/settings#which-value-claude-code-uses): how managed, project, and user settings combine
269269* [Delivery mechanisms](/docs/en/managed-settings#delivery-mechanisms): where the managed file goes on each platform
270270* [Set up Claude Code for your organization](/docs/en/admin-setup): the wider rollout this gateway is one part of, including policy enforcement, usage visibility, and data handling