Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
One change · api

List Session Threads changed

api/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
From line 18 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits9to this page, all time

The whole hunk

from line 18, old and new numbered
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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