Get Session Thread changedapi/beta/sessions/threads/retrieve
Nearest release: v2.1.296, published 4 hours 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+53added
Lines−6removed
From line
143
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits18to this page, all time
The whole hunk
from line 143, old and new numbered
/
from line 143
143143
144144 Unique identifier for this thread.
145145
146 - `agent: BetaManagedAgentsSessionThreadAgent or BetaManagedAgentsAdvisor`
146 - `agent: BetaManagedAgentsSessionThreadAgent or BetaManagedAgentsAdvisor or BetaManagedAgentsInlineAgent`
147147
148148 Resolved agent definition for this thread. Snapshot of the agent at thread creation time.
149149
from line 221
221221
222222 - `"claude-haiku-4-5"`
223223
224 Fastest model with near-frontier intelligence
225
226224 - `"claude-haiku-4-5-20251001"`
227225
228 Fastest model with near-frontier intelligence
229
230226 - `"claude-opus-4-5"`
231227
232228 Powerful intelligence for long-running agents and coding
from line 763
767763
768764 The advisor model id.
769765
766 - `BetaManagedAgentsInlineAgent object`
767
768 An agent that has no Agent resource, and so no `id` or `version`. It is defined inline, in a workflow run's plan or when a session thread is spawned, and is not saved.
769
770 - `type: "inline"`
771
772 - `description: string or null`
773
774 - `mcp_servers: array of BetaManagedAgentsMCPServerURLDefinition`
775
776 - `type: "url"`
777
778 - `name: string`
779
780 - `url: string`
781
782 - `model: BetaManagedAgentsModelConfig`
783
784 Model identifier and configuration.
785
786 - `name: string`
787
788 The name that the agent's definition gave, or one that the server assigned.
789
790 - `skills: array of BetaManagedAgentsAnthropicSkill or BetaManagedAgentsCustomSkill`
791
792 - `BetaManagedAgentsAnthropicSkill object`
793
794 A resolved Anthropic-managed skill.
795
796 - `BetaManagedAgentsCustomSkill object`
797
798 A resolved user-created custom skill.
799
800 - `system: string or null`
801
802 - `tools: array of BetaManagedAgentsAgentToolset20260401 or BetaManagedAgentsMCPToolset or BetaManagedAgentsCustomTool`
803
804 - `BetaManagedAgentsAgentToolset20260401 object`
805
806 - `BetaManagedAgentsMCPToolset object`
807
808 - `BetaManagedAgentsCustomTool object`
809
810 A custom tool as returned in API responses.
811
770812 - `archived_at: string or null`
771813
772814 When the thread was archived. Null if not archived.
from line 941
899941
900942 format: int32
901943
944 - `workflow_run_id: string or null`
945
946 Identifier of the workflow run that created the thread, or `null` for any other thread.
947
902948## Example
903949
904950```bash
from line 1039
9931039 "web_fetch_requests": 0,
9941040 "web_search_requests": 3
9951041 }
996 }
1042 },
1043 "workflow_run_id": null
9971044}
9981045```
9991046
No line in this hunk matches that.