Events changedapi/beta/sessions/threads/events
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+10added
Lines−2removed
From line
29
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits26to this page, all time
The whole hunk
from line 29, old and new numbered
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from line 29
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3030- `"anthropic-version": optional string`
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32 The version of the Claude API you want to use.
33
34 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
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3236- `"anthropic-beta": optional array of AnthropicBeta`
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34 Optional header to specify the beta version(s) you want to use.
38 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
3539
3640 - `string`
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from line 3144
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31413145- `"anthropic-version": optional string`
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3147 The version of the Claude API you want to use.
3148
3149 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning?sdk_languages=http).
3150
31433151- `"anthropic-beta": optional array of AnthropicBeta`
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3145 Optional header to specify the beta version(s) you want to use.
3153 This endpoint is in beta: requests must send `managed-agents-2026-04-01` in this header.
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31473155 - `string`
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No line in this hunk matches that.