Claude Code on Claude Platform on AWS changedclaude-platform-on-aws
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284284[Prompt caching](/docs/en/prompt-caching) is enabled automatically. To request a 1-hour cache TTL instead of the 5-minute default, set `ENABLE_PROMPT_CACHING_1H=1`. The API bills 1-hour cache writes at a higher rate. See [prompt caching pricing](https://platform.claude.com/docs/en/build-with-claude/prompt-caching#pricing) for the rates.
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286To set different TTLs for your main conversation and for the requests Claude Code makes outside it, [choose the TTL yourself](/docs/en/prompt-caching#choose-the-ttl-yourself).
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286288### 4. Launch and verify
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288290Start Claude Code and confirm the routing:
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