Count tokens in a Message changedapi/beta/messages/count_tokens
Nearest release: v2.1.286, published 6 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+2added
Lines−0removed
From line
117
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits16to this page, all time
The whole hunk
from line 117, old and new numbered
/
from line 117
117117
118118 - `"mcp-client-2026-09-15"`
119119
120 - `"ce-plugins-2026-09-01"`
121
120122- `"anthropic-user-profile-id": optional string`
121123
122124 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.
No line in this hunk matches that.