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Sweep 30 Oct 2026 · 01:02Z Build v2.1.314 532 read Stable v2.1.308 Latest v2.1.314 Next v2.1.314 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 29 Oct 2026
One change · api

Sessions changedapi/beta/sessions

Nearest release: v2.1.314, published 6 hours 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+76added
Lines−0removed
From line 129 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits29to this page, all time

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from line 129
129129 
130130 - `"webhooks-2026-10-07"`
131131 
132 - `"message-threads-2026-08-12"`
133 
134 - `"analytics-usage-cost-2026-08-24"`
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 2841
28372841 
28382842 - `"webhooks-2026-10-07"`
28392843 
2844 - `"message-threads-2026-08-12"`
2845 
2846 - `"analytics-usage-cost-2026-08-24"`
2847 
28402848- `"anthropic-workspace-id": optional string`
28412849 
28422850 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 4344
43364344 
43374345 - `"webhooks-2026-10-07"`
43384346 
4347 - `"message-threads-2026-08-12"`
4348 
4349 - `"analytics-usage-cost-2026-08-24"`
4350 
43394351- `"anthropic-workspace-id": optional string`
43404352 
43414353 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 5833
58215833 
58225834 - `"webhooks-2026-10-07"`
58235835 
5836 - `"message-threads-2026-08-12"`
5837 
5838 - `"analytics-usage-cost-2026-08-24"`
5839 
58245840- `"anthropic-workspace-id": optional string`
58255841 
58265842 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 7908
78927908 
78937909 - `"webhooks-2026-10-07"`
78947910 
7911 - `"message-threads-2026-08-12"`
7912 
7913 - `"analytics-usage-cost-2026-08-24"`
7914 
78957915- `"anthropic-workspace-id": optional string`
78967916 
78977917 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 8075
80558075 
80568076 - `"webhooks-2026-10-07"`
80578077 
8078 - `"message-threads-2026-08-12"`
8079 
8080 - `"analytics-usage-cost-2026-08-24"`
8081 
80588082- `"anthropic-workspace-id": optional string`
80598083 
80608084 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 8141
81178141 
81188142 The model that will power your agent.
81198143 
8120 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
8121 
8122 - `"claude-haiku-5-5"`
8123 
8124 Fastest model for high-volume, real-time tasks
8125 
8126 - `"claude-sonnet-5-5"`
8127 
8128 Efficient model for coding and agents
8129 
8130 - `"claude-opus-5-5"`
8131 
8132 Powerful intelligence for coding, knowledge work, and long-running agents
8133 
8134 - `"claude-fable-5-1"`
8135 
8136 Frontier intelligence for ambitious tasks across coding, scientific discovery, an
8144 See [models](https://docs.anthropic.com/en/docs/mod
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