Create a Message Batch changedapi/beta/messages/batches/create
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.
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Lines+1added
Lines−1removed
From line
131
where the diff opens
First seen
14 Aug 2026
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Recorded edits26to this page, all time
The whole hunk
from line 131, old and new numbered
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from line 131
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132132- `"anthropic-user-profile-id": optional string`
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134 The user profile ID to attribute the requests in this batch to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header. Applies to every request in the batch; an individual request whose `user_profile_id` body field conflicts with this header is errored.
134 The user profile ID to attribute the requests in this batch to. Use when acting on behalf of a party other than your organization. Applies to every request in the batch; an individual request whose `user_profile_id` body field conflicts with this header is errored.
135135
136136- `"anthropic-workspace-id": optional string`
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