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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 9 Oct 2026
One change · api

Sessions changedapi/compliance/apps/sessions

Nearest release: v2.1.296, published an hour after 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+30added
Lines−0removed
From line 52 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits12to this page, all time

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5252 
5353#### Headers
5454 
55- `"anthropic-version": optional string`
56 
57 The version of the Claude API you want to use.
58 
59 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
60 
5561- `"x-api-key": optional string`
5662 
5763#### Returns
from line 167
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162168#### Headers
163169 
170- `"anthropic-version": optional string`
171 
172 The version of the Claude API you want to use.
173 
174 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
175 
164176- `"x-api-key": optional string`
165177 
166178#### Returns
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305317#### Headers
306318 
319- `"anthropic-version": optional string`
320 
321 The version of the Claude API you want to use.
322 
323 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
324 
307325- `"x-api-key": optional string`
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309327#### Returns
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654672 
655673#### Headers
656674 
675- `"anthropic-version": optional string`
676 
677 The version of the Claude API you want to use.
678 
679 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
680 
657681- `"x-api-key": optional string`
658682 
659683#### Returns
from line 847
823847 default: 10000, minimum: -1, maximum: 2147483647
824848 
825849#### Headers
850 
851- `"anthropic-version": optional string`
852 
853 The version of the Claude API you want to use.
854 
855 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
826856 
827857- `"x-api-key": optional string`
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