List Session Threads changedapi/beta/sessions/threads/list
Nearest release: v2.1.258, published an hour 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.
Recorded here
Lines+13added
Lines−3removed
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18
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits26to this page, all time
The whole hunk
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1818
1919- `page: optional string`
2020
21 Opaque pagination cursor from a previous response's next_page. Forward-only.
21 Opaque pagination cursor from a previous response's `next_page`. Forward-only.
2222
2323## Headers
2424
from line 28
2828
2929 - `string`
3030
31 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
31 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
3232
3333 - `"message-batches-2024-09-24"`
3434
from line 112
112112
113113 - `"ce-user-management-2026-07-13"`
114114
115 - `"mid-conversation-output-config-2026-07-01"`
116
117 - `"thinking-binding-controls-2026-08-01"`
118
119 - `"mid-conversation-system-clear-at-2026-08-21"`
120
115121## Returns
116122
117123- `data: optional array of BetaManagedAgentsSessionThread`
from line 158
152158
153159 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
154160
155 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
161 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
156162
157163 The model that will power your agent.
158164
159165 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
166
167 - `"claude-fable-5-1"`
168
169 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
160170
161171 - `"claude-sonnet-5"`
162172
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