List Session Threads changedapi/beta/sessions/threads/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
33
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 33, old and new numbered
/
from line 33
3333
3434 - `string`
3535
36 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
36 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
3737
3838 - `"message-batches-2024-09-24"`
3939
from line 127
127127
128128 - `"compact-2026-09-04"`
129129
130 - `"inline-tools-2026-09-15"`
131
132 - `"mcp-client-2026-09-15"`
133
130134- `"anthropic-workspace-id": optional string`
131135
132136 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 181
177181
178182 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
179183
180 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
184 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
181185
182186 The model that will power your agent.
183187
184188 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
189
190 - `"claude-opus-5-5"`
191
192 Powerful intelligence for coding, knowledge work, and long-running agents
185193
186194 - `"claude-fable-5-1"`
187195
No line in this hunk matches that.