Threads changedapi/beta/sessions/threads
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.
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Lines+2,463added
Lines−2,433removed
From line
35
where the diff opens
First seen
14 Aug 2026
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Recorded edits14to this page, all time
The whole hunk
from line 35, old and new numbered
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from line 35
3535
3636 - `string`
3737
38 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
38 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
3939
4040 - `"message-batches-2024-09-24"`
4141
from line 129
129129
130130 - `"compact-2026-09-04"`
131131
132 - `"inline-tools-2026-09-15"`
133
134 - `"mcp-client-2026-09-15"`
135
132136- `"anthropic-workspace-id": optional string`
133137
134138 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 183
179183
180184 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
181185
182 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
186 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
183187
184188 The model that will power your agent.
185189
186190 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
187191
192 - `"claude-opus-5-5"`
193
194 Powerful intelligence for coding, knowledge work, and long-running agents
195
188196 - `"claude-fable-5-1"`
189197
190198 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
from line 952
944952
945953 - `string`
946954
947 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
955 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
948956
949957 - `"message-batches-2024-09-24"`
950958
from line 1046
10381046
10391047 - `"compact-2026-09-04"`
10401048
1049 - `"inline-tools-2026-09-15"`
1050
1051 - `"mcp-client-2026-09-15"`
1052
10411053- `"anthropic-workspace-id": optional string`
10421054
10431055 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 1100
10881100
10891101 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
10901102
1091 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
1103 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
10921104
10931105 The model that will power your agent.
10941106
10951107 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
10961108
1109 - `"claude-opus-5-5"`
1110
1111 Powerful intelligence for coding, knowledge work, and long-running agents
1112
10971113 - `"claude-fable-5-1"`
10981114
10991115 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
from line 1860
18441860
18451861 - `string`
18461862
1847 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
1863 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
18481864
18491865 - `"message-batches-2024-09-24"`
18501866
from line 1954
19381954
19391955 - `"compact-2026-09-04"`
19401956
1957 - `"inline-tools-2026-09-15"`
1958
1959 - `"mcp-client-2026-09-15"`
1960
19411961- `"anthropic-workspace-id": optional string`
19421962
19431963 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 2008
19882008
19892009 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
19902010
1991 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
2011 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
19922012
19932013 The model that will power your agent.
19942014
19952015 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
19962016
2017 - `"claude-opus-5-5"`
2018
2019 Powerful intelligence for coding, knowledge work, and long-running agents
2020
19972021 - `"claude-fable-5-1"`
19982022
19992023 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
from line 2795
27712795
27722796 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
27732797
2774 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
2798 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
27752799
27762800 The model that will power your agent.
27772801
27782802 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
27792803
2804 - `"claude-opus-5-5"`
2805
2806 Powerful intelligence for coding, knowledge work, and long-running agents
2807
27802808 - `"claude-fable-5-1"`
27812809
27822810 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
from line 3961
39333961
39343962 format: date-time
39353963
3936 - `evaluated_permission: optional "allow" or "ask" or "deny"`
3964 - `evaluated_permission: optional BetaManagedAgentsAgentEvaluatedPermission`
39373965
39383966 AgentEvaluatedPermission enum
39393967
from line 4099
40714099
40724100 format: date-time
40734101
4074 - `evaluated_permission: optional "allow" or "ask" or "deny"`
4102 - `evaluated_permission: optional BetaManagedAgentsAgentEvaluatedPermission`
40754103
40764104 AgentEvaluatedPermission enum
40774105
4078 - `"allow"`
4079
4080 - `"ask"`
4081
4082 - `"deny"`
4083
40844106 - `evaluation: optional BetaManagedAgentsAgentToolEvaluation`
40854107
40864108 Names the resolved permission_policy that produced evaluated_permission, and under auto carries the judgement. Open union: clients must tolerate unknown variants.
from line 5071
50495071
50505072 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
50515073
5052 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
5074 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
50535075
50545076 The model that will power your agent.
50555077
50565078 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
50575079
5080 - `"claude-opus-5-5"`
5081
5082 Powerful intelligence for coding, knowledge work, and long-running agents
5083
50585084 - `"claude-fable-5-1"`
50595085
50605086 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
from line 5861
58355861
58365862 - `string`
58375863
5838 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
5864 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
58395865
58405866 - `"message-batches-2024-09-24"`
58415867
from line 5955
59295955
59305956 - `"compact-2026-09-04"`
59315957
5958 - `"inline-tools-2026-09-15"`
5959
5960 - `"mcp-client-2026-09-15"`
5961
59325962- `"anthropic-workspace-id": optional string`
59335963
59345964 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 6377
63476377
63486378 format: date-time
63496379
6350 - `evaluated_permission: optional "allow" or "ask" or "deny"`
6380 - `evaluated_permission: optional BetaManagedAgentsAgentEvaluatedPermission`
63516381
63526382 AgentEvaluatedPermission enum
63536383
from line 6515
64856515
64866516 format: date-time
64876517
6488 - `evaluated_permission: optional "allow" or "ask" or "deny"`
6518 - `evaluated_permission: optional BetaManagedAgentsAgentEvaluatedPermission`
64896519
64906520 AgentEvaluatedPermission enum
64916521
6492 - `"allow"`
6493
6494 - `"ask"`
6495
6496 - `"deny"`
6497
64986522 - `evaluation: optional BetaManagedAgentsAgentToolEvaluation`
64996523
65006524 Names the resolved permission_policy that produced evaluated_permission, and under auto carries the judgement. Open union: clients must tolerate unknown variants.
from line 7487
74637487
74647488 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
74657489
7466 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
7490 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
74677491
74687492 The model that will power your agent.
74697493
74707494 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
74717495
7496 - `"claude-opus-5-5"`
7497
7498 Powerful intelligence for coding, knowledge work, and long-running agents
7499
74727500 - `"claude-fable-5-1"`
74737501
74747502 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
from line 8259
82318259
82328260 - `string`
82338261
8234 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 43 more`
8262 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
82358263
82368264 - `"message-batches-2024-09-24"`
82378265
from line 8353
83258353
83268354 - `"compact-2026-09-04"`
83278355
8356 - `"inline-tools-2026-09-15"`
8357
8358 - `"mcp-client-2026-09-15"`
8359
83288360- `"anthropic-workspace-id": optional string`
83298361
83308362 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 8571
85398571
85408572 - `"allow"`
85418573
8542 - `"deny"`
8543
8544 - `tool_use_id: string`
8545
8546 The id of the `agent.tool_use` or `agent.mcp_tool_use` event this result corresponds to, which can be found in the last `session.status_idle` [event's](https://platform.claude.com/docs/en/api/beta/sessions/events/list#beta_managed_agents_session_requires_action.event_ids) `stop_reason.event_ids` field.
8547
8548 - `deny_message: optional string or null`
8549
8550 Optional message providing context for a 'deny' decision. Only allowed when result is 'deny'.
8551
8552 maxLength: 10000
8553
8554 - `processed_at: optional string or null`
8555
8556 A timestamp in RFC 3339 format
8557
8558 format: date-time
8559
8560 - `session_thread_id: optional string or null`
8561
8562 Set by the server to the subagent thread this confirmation was routed to. Omitted when it was routed to the primary thread.
8563
8564 - `BetaManagedAgentsUserCustomToolResultEvent object`
8565
8566 Event sent by the client providing the result of a custom tool execution.
8567
8568 - `type: "user.custom_tool_result"`
8569
8570 - `id: string`
8571
8572 Unique identifi
No line in this hunk matches that.