List Sessions changedapi/beta/sessions/list
Nearest release: v2.1.281, published an hour 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
103
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits11to this page, all time
The whole hunk
from line 103, old and new numbered
/
from line 103
103103
104104 - `string`
105105
106 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
106 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
107107
108108 - `"message-batches-2024-09-24"`
109109
from line 197
197197
198198 - `"compact-2026-09-04"`
199199
200 - `"inline-tools-2026-09-15"`
201
202 - `"mcp-client-2026-09-15"`
203
200204- `"anthropic-workspace-id": optional string`
201205
202206 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 245
241245
242246 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
243247
244 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
248 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
245249
246250 The model that will power your agent.
247251
248252 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
253
254 - `"claude-opus-5-5"`
255
256 Powerful intelligence for coding, knowledge work, and long-running agents
249257
250258 - `"claude-fable-5-1"`
251259
No line in this hunk matches that.