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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 12 Oct 2026
One change · api

Artifacts changedapi/compliance/apps/artifacts

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2929 The version of the Claude API you want to use.
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31 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
31 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
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3333- `"x-api-key": optional string`
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112112 The version of the Claude API you want to use.
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114 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
114 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
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116116- `"x-api-key": optional string`
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