Archive Session changedapi/beta/sessions/archive
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
21
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 21, old and new numbered
/
from line 21
2121
2222 - `string`
2323
24 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
24 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
2525
2626 - `"message-batches-2024-09-24"`
2727
from line 115
115115
116116 - `"compact-2026-09-04"`
117117
118 - `"inline-tools-2026-09-15"`
119
120 - `"mcp-client-2026-09-15"`
121
118122- `"anthropic-workspace-id": optional string`
119123
120124 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 163
159163
160164 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
161165
162 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
166 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
163167
164168 The model that will power your agent.
165169
166170 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
171
172 - `"claude-opus-5-5"`
173
174 Powerful intelligence for coding, knowledge work, and long-running agents
167175
168176 - `"claude-fable-5-1"`
169177
No line in this hunk matches that.