1,278 pages for version.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
advisor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/advisor-tool
…messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "anthropic-beta: advisor-tool-2026-03-01" \ -H "content-type: application/json" \ -d '{…
bash-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/bash-tool
…a command creates are still there for the next command. The current version of the tool is `bash_20250124`. For model support, beta headers, and the earlier version, see [Tool versions](https://plat…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…on/json" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 2048, "tools": [ {…
code-execution-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/code-execution-tool
…stable details: - Every supported model accepts all three [tool versions](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool#tool-versions). On Claude Haiku 4.5, p…
computer-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/computer-use-tool
…_20260801` toolset. They return a 400 error for any computer use tool version they don't accept, such as `computer_20251124` on the Claude API. To move a `computer_20251124` integration to the toolset…
define-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/define-tools
…tools, such as the bash and text editor tools, are declared by a date-versioned `type`; see each tool’s page, linked from the [Tool reference](https://platform.claude.com/docs/en/agents-and-tools/tool…
fine-grained-tool-streaming
Claude Developer Platform · in the page
agents-and-tools/tool-use/fine-grained-tool-streaming
…on/json" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 65536, "tools": [ {…
memory-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/memory-tool
…messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 2…
overview
Claude Developer Platform · in the page
agents-and-tools/tool-use/overview
…messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 4…
parallel-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/parallel-tool-use
…on/json" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 1024, "tools": [{ "name": "ge…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…code execution tool with the `code_execution_20260120` or later [tool version](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool#tool-versions). --- Programmatic tool…
server-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/server-tools
…messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 4…
strict-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/strict-tool-use
…on/json" \ -H "x-api-key: $ANTHROPIC_API_KEY" \ -H "anthropic-version: 2026-10-21" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 1024, "messages": [ {"role":…
text-editor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/text-editor-tool
…_characters` is only compatible with `text_editor_20250728` and later versions of the text editor tool. </Note> <CodeGroup> ```bash cURL curl https://api.anthropic.com/v1/messages \ -H "conte…
tool-reference
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-reference
…lity, see each tool’s page. Supported models vary by tool and by tool version. To check from your code whether a model accepts web search or code execution, see [Using the Models API](https://platform…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…| Tool versions | | ---------------------------------------------------------------…
troubleshooting-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/troubleshooting-tool-use
…rect-prompt-injection). | ## JSON escaping differences between model versions | Symptom | Cause…
web-fetch-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-fetch-tool
…from specified webpages and PDF documents. The latest web fetch tool version (`web_fetch_20260318`) supports **dynamic filtering**: Claude can write and run code to filter fetched content before it r…
web-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-search-tool
…rces drawn from search results. With `web_search_20260209` and later versions, Claude can write and run code that filters the search results before they reach the context window (**dynamic filtering*…
Beta
Claude Developer Platform · in the page
api/beta
…default: 20, minimum: 1, maximum: 1000 #### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
beta-headers
Claude Developer Platform · in the page
api/beta-headers
…``http POST /v1/messages Authorization: Bearer YOUR_API_KEY anthropic-version: 2026-10-21 anthropic-beta: BETA_FEATURE_NAME content-type: application/json ``` Each feature’s documentation states the…
Agents
Claude Developer Platform · in the page
api/beta/agents
…gent **POST** `/v1/agents` Create Agent ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…Unique identifier of the agent to archive. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…Agent **POST** `/v1/agents` Create Agent ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…agination cursor from a previous response. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…Unique identifier of the agent to retrieve. ## Query parameters - `version: optional number` Agent version. Omit for the most recent version. Must be at least 1 if specified. format: int32 #…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…Unique identifier of the agent to update. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Deployment Runs
Claude Developer Platform · in the page
api/beta/deployment_runs
…session directly against the deployment. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
List Deployment Runs
Claude Developer Platform · in the page
api/beta/deployment_runs/list
…a session directly against the deployment. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Get Deployment Run
Claude Developer Platform · in the page
api/beta/deployment_runs/retrieve
…Unique identifier of the deployment run. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Deployments
Claude Developer Platform · in the page
api/beta/deployments
…ST** `/v1/deployments` Create Deployment ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Archive Deployment
Claude Developer Platform · in the page
api/beta/deployments/archive
…e identifier of the deployment to archive. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Create Deployment
Claude Developer Platform · in the page
api/beta/deployments/create
…OST** `/v1/deployments` Create Deployment ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
List Deployments
Claude Developer Platform · in the page
api/beta/deployments/list
…ppressed; manual runs are still permitted. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Pause Deployment
Claude Developer Platform · in the page
api/beta/deployments/pause
…que identifier of the deployment to pause. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Get Deployment
Claude Developer Platform · in the page
api/beta/deployments/retrieve
…g` Unique identifier of the deployment. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Run Deployment Now
Claude Developer Platform · in the page
api/beta/deployments/run
…nique identifier of the deployment to run. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Unpause Deployment
Claude Developer Platform · in the page
api/beta/deployments/unpause
…e identifier of the deployment to unpause. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Update Deployment
Claude Developer Platform · in the page
api/beta/deployments/update
…ue identifier of the deployment to update. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Dreams
Claude Developer Platform · in the page
api/beta/dreams
…an asynchronous job that uses past sessions to produce a reorganized version of a memory store and get back the dream to poll for the result. By default the dream writes its result to a new memory s…
Archive a Dream
Claude Developer Platform · in the page
api/beta/dreams/archive
…he ID of the dream to archive (`drm_...`). ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Cancel a Dream
Claude Developer Platform · in the page
api/beta/dreams/cancel
…The ID of the dream to cancel (`drm_...`). ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Create a Dream
Claude Developer Platform · in the page
api/beta/dreams/create
…an asynchronous job that uses past sessions to produce a reorganized version of a memory store and get back the dream to poll for the result. By default the dream writes its result to a new memory s…
List Dreams
Claude Developer Platform · in the page
api/beta/dreams/list
…usage` can keep changing after the cancel. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Get a Dream
Claude Developer Platform · in the page
api/beta/dreams/retrieve
…The ID of the dream to get (`drm_...`). ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Environments
Claude Developer Platform · in the page
api/beta/environments
…ronment with the specified configuration. ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Archive Environment
Claude Developer Platform · in the page
api/beta/environments/archive
…ath parameters - `environment_id: string` ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Create Environment
Claude Developer Platform · in the page
api/beta/environments/create
…ironment with the specified configuration. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
Delete Environment
Claude Developer Platform · in the page
api/beta/environments/delete
…ath parameters - `environment_id: string` ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…
List Environments
Claude Developer Platform · in the page
api/beta/environments/list
…xt_page` value from the previous response. ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use. Read more about versioning and our version history…