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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
One change · api

Messages changedapi/beta/messages

Nearest release: v2.1.306, published 2 hours 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+3added
Lines−3removed
From line 133 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits29to this page, all time

The whole hunk

from line 133, old and new numbered
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from line 133
133133 
134134- `"anthropic-user-profile-id": optional string`
135135 
136 The user profile ID to attribute this request to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header.
136 The user profile ID to attribute this request to. Use when acting on behalf of a party other than your organization.
137137 
138138- `"anthropic-workspace-id": optional string`
139139 
from line 7160
71607160 
71617161 This is how the tool will be called by the model and in `tool_use` blocks.
71627162 
7163 - `allo
7163 - `allowed_callers: optional array of "direct" or
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