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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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1717 
1818### Headers
1919 
20- `"anthropic-version": optional string`
21 
22 The version of the Claude API you want to use.
23 
24 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
25 
2026- `"anthropic-user-profile-id": optional string`
2127 
2228 The user profile ID to attribute this request to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header.
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45284534 
45294535### Headers
45304536 
4537- `"anthropic-version": optional string`
4538 
4539 The version of the Claude API you want to use.
4540 
4541 Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).
4542 
45314543- `"anthropic-user-profile-id": optional string`
45324544 
45334545 The user profile ID to attribute this request to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header.
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86468658 
86478659### Browser Hover Tool Use Block
86488660 
8649- `BrowserHoverToolUseBlock object`
8650 
8651 - `type: "tool_use"`
8652 
8653 default: tool_use
8654 
8655 - `id: string`
8656 
8657 pattern: ^[a-zA-Z0-9_-]+$
8658 
8659 - `caller: ToolUseCaller`
8660 
8661 Which party invoked the tool call: the model directly, or a server tool on its behalf.
8662 
8663 - `DirectCaller object`
8664 
8665 Tool invocation directly from the model.
8666 
8667 - `type: "direct"`
8668 
8669 - `ServerToolCaller object`
8670 
8671 Tool invocation generated b
8661- `BrowserH
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