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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 16 Oct 2026
One change · api

Resources changedapi/beta/sessions/resources

Nearest release: v2.1.301, published 11 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+25added
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First seen 14 Aug 2026 this site's first read of the page
Recorded edits19to this page, all time

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2020- `"anthropic-version": optional string`
2121 
22 The version of the Claude API you want to use.
23 
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
25 
2226- `"anthropic-beta": optional array of AnthropicBeta`
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24 Optional header to specify the beta version(s) you want to use.
28 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
2529 
2630 - `string`
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228232- `"anthropic-version": optional string`
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234 The version of the Claude API you want to use.
235 
236 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
237 
230238- `"anthropic-beta": optional array of AnthropicBeta`
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232 Optional header to specify the beta version(s) you want to use.
240 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
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234242 - `string`
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509517- `"anthropic-version": optional string`
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519 The version of the Claude API you want to use.
520 
521 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
522 
511523- `"anthropic-beta": optional array of AnthropicBeta`
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513 Optional header to specify the beta version(s) you want to use.
525 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
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515527 - `string`
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769781- `"anthropic-version": optional string`
770782 
783 The version of the Claude API you want to use.
784 
785 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
786 
771787- `"anthropic-beta": optional array of AnthropicBeta`
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773 Optional header to specify the beta version(s) you want to use.
789 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
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775791 - `string`
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10411057- `"anthropic-version": optional string`
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1059 The version of the Claude API you want to use.
1060 
1061 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
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10431063- `"anthropic-beta": optional array of AnthropicBeta`
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1045 Optional header to specify the beta version(s) you want to use.
1065 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
10461066 
10471067 - `string`
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