350 pages for documentation.

streaming Claude Developer Platform · in the page build-with-claude/streaming …Stream()`. The Python SDK allows both sync and async streams. See the documentation in each SDK for details. <CodeGroup exclude="shell:cURL"> ```bash CLI ant messages create --stream \ --mode… vision Claude Developer Platform · in the page build-with-claude/vision …orm.claude.com/docs/en/api/messages/create"> See the Messages API documentation, including example API calls involving images. </Card> </CardGroup> apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …uage model in Apple's [Foundation Models](https://developer.apple.com/documentation/foundationmodels) framework. The package conforms Claude to the framework's `LanguageModel` protocol, so you drive i… csharp Claude Developer Platform · in the page cli-sdks-libraries/sdks/csharp …Claude API from applications written in C#. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers C#-s… go Claude Developer Platform · in the page cli-sdks-libraries/sdks/go …Claude API from applications written in Go. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers Go-s… java Claude Developer Platform · in the page cli-sdks-libraries/sdks/java …th synchronous and asynchronous operations. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers Java… php Claude Developer Platform · in the page cli-sdks-libraries/sdks/php …Claude API from any PHP 8.1.0+ application. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers PHP-… For Amazon Bedrock support Claude Developer Platform · in the page cli-sdks-libraries/sdks/python …n AWS, Google Cloud, and Microsoft Foundry. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers Pyth… Automatically handles tool execution loop Claude Developer Platform · in the page cli-sdks-libraries/sdks/ruby …pooling through the `connection_pool` gem. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers Ruby… typescript Claude Developer Platform · in the page cli-sdks-libraries/sdks/typescript …e Claude API from TypeScript or JavaScript. <Info> For API feature documentation with code examples, see the [API reference](https://platform.claude.com/docs/en/api/overview). This page covers Type… get-started Claude Developer Platform · in the page get-started …atform.claude.com/docs/en/cli-sdks-libraries/overview"> Reference documentation for Python, TypeScript, C#, and other client libraries. </Card> <Card title="Authentication" icon="lock" href="… home Claude Developer Platform · in the page home --- title: Documentation url: https://platform.claude.com/docs/en/home description: Claude API Documentation --- <HomePage> <HomeHero eyebrow="Claude Platform" title="Start building with Cl… intro Claude Developer Platform · in the page intro …docs/en/api/overview"> Explore the full Claude API and client SDK documentation. </Card> <Card title="Claude Cookbook" icon="chef-hat" href="https://platform.claude.com/cookbook"> Learn w… access-transparency Claude Developer Platform · in the page manage-claude/access-transparency …, and the Batch API) are not covered by Access Transparency. See [ZDR documentation](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#zero-data-retention-zdr-scope) for additio… admin-api-keys Claude Developer Platform · in the page manage-claude/admin-api-keys …ss the key in the `x-api-key` header on every request. See each API's documentation for complete request examples. A call that exceeds the key's scopes returns `403 Forbidden` with a message listing… api-and-data-retention Claude Developer Platform · in the page manage-claude/api-and-data-retention …ta processor; refer to those platforms' data retention and compliance documentation for their equivalent controls. Anthropic offers two data handling arrangements for the Claude API: [zero data reten… app-attest Claude Developer Platform · in the page manage-claude/app-attest …ion of your app uses Apple's [App Attest](https://developer.apple.com/documentation/devicecheck/establishing-your-app-s-integrity) service to prove that it is a genuine, unmodified build of the app yo… cmek Claude Developer Platform · in the page manage-claude/cmek ….claude.com/docs/en/data-usage#telemetry-services) in the Claude Code documentation. ## Configure your provider Follow the guide for the key management service you use. On Claude Platform on AWS, fo… cmek-aws-kms Claude Developer Platform · in the page manage-claude/cmek-aws-kms …Select the checkbox to confirm that you have read the CMEK documentation, then click **Confirm**. </Step> </Steps> </Tab> <Tab title="API"> <Steps>… cmek-azure-key-vault Claude Developer Platform · in the page manage-claude/cmek-azure-key-vault …Select the checkbox to confirm that you have read the CMEK documentation, then click **Confirm**. </Step> </Steps> </Tab> <Tab title="API"> <Steps>… cmek-claude-platform-on-aws Claude Developer Platform · in the page manage-claude/cmek-claude-platform-on-aws …ange"> Select the checkbox to confirm that you have read the CMEK documentation, then click **Confirm**. </Step> </Steps> Attaching validates the key. If it fails with a KMS access error, see [… cmek-google-cloud-kms Claude Developer Platform · in the page manage-claude/cmek-google-cloud-kms …Select the checkbox to confirm that you have read the CMEK documentation, then click **Confirm**. </Step> </Steps> </Tab> <Tab title="API"> <Steps>… okta Claude Developer Platform · in the page manage-claude/wif-providers/okta …configure and authenticate to Okta that are outside the scope of this documentation. Ensure that your configuration and authentication mechanisms follow your company's guidance and security practices.… Replace NODE_UID with the node's UID: Claude Developer Platform · in the page manage-claude/wif-providers/spiffe …s OIDC discovery endpoint and JWT-SVID retrieval according to its own documentation, then continue at [Configure Anthropic](https://platform.claude.com/docs/en/manage-claude/wif-providers/spiffe#confi… multiagent-orchestration Claude Developer Platform · in the page managed-agents/multiagent-orchestration …omain-focused system prompts and tools, such as a security agent or a documentation agent, rather than loading a single agent with every capability. * **Escalation:** Consult a more capable agent or m… reference Claude Developer Platform · in the page managed-agents/reference …. For more information on MCP and building MCP servers, see the [MCP documentation](https://modelcontextprotocol.io). ## Rate limits Managed Agents endpoints are rate-limited for each organization:… migration-guide Claude Developer Platform · in the page models/opus-5-5/migration-guide …atform.claude.com/docs/en/agents-and-tools/tool-use/text-editor-tool) documentation for details. * **Code execution:** Upgrade to `code_execution_20260521`. See [Code execution tool](https://platfo… overview Claude Developer Platform · in the page release-notes/overview …ttps://platform.claude.com/docs/en/manage-claude/access-transparency) documentation of `cmek_preserve` events with a filter example, an example event payload, and two preservation reason codes (`polic… claude-fable-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5 …l of these as tools. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-fable-5-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5-1 …d adjacent webpages. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-haiku-3-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-3-5 …ation on prompting Claude, humans can check out Anthropic's prompting documentation on their website at "https://docs.claude.com/en/build-with-claude/prompt-engineering/overview" If the human asks ab… claude-haiku-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-4-5 …d adjacent webpages. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-haiku-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-5-5 …d adjacent webpages. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-opus-4 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4 …asks Claude about Claude Code, Claude should point them to check the documentation at https://docs.anthropic.com/en/claude-code. There are no other Anthropic products. Claude can provide the informa… claude-opus-4-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-1 …asks Claude about Claude Code, Claude should point them to check the documentation at https://docs.anthropic.com/en/claude-code. There are no other Anthropic products. Claude can provide the informa… claude-opus-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-5 …rmation on prompting Claude, they can check out Anthropic's prompting documentation on their website at 'https://docs.claude.com/en/docs/build-with-claude/prompt-engineering/overview'. **Claude has s… claude-opus-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-6 …rmation on prompting Claude, they can check out Anthropic's prompting documentation on their website at 'https://docs.claude.com/en/docs/build-with-claude/prompt-engineering/overview'. Claude has set… claude-opus-4-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-7 …s products or their capabilities, as it does not have access to their documentation and they may have changed since this prompt was last edited. Claude can provide the information here if asked, but d… claude-opus-4-8 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-8 …to user chat inputs. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-opus-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5 …to user chat inputs. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-opus-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5-5 …to user chat inputs. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-sonnet-3-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-3-5 …ation on prompting Claude, humans can check out Anthropic's prompting documentation on their website at "https://docs.anthropic.com/en/build-with-claude/prompt-engineering/overview". If the human see… claude-sonnet-3-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-3-7 …rmation on prompting Claude, they can check out Anthropic's prompting documentation on their website at 'https://docs.anthropic.com/en/build-with-claude/prompt-engineering/overview'. If the person se… claude-sonnet-4 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4 …asks Claude about Claude Code, Claude should point them to check the documentation at https://docs.anthropic.com/en/claude-code. There are no other Anthropic products. Claude can provide the informa… claude-sonnet-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-5 …rmation on prompting Claude, they can check out Anthropic's prompting documentation on their website at 'https://docs.claude.com/en/docs/build-with-claude/prompt-engineering/overview'. **Claude has s… claude-sonnet-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-6 …d adjacent webpages. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-sonnet-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5 …l of these as tools. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… claude-sonnet-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5-5 …d adjacent webpages. Claude's product knowledge ends here; it has no documentation access, details may have changed, and it doesn't give instructions on how to use the application or other products.… overview Claude Developer Platform · in the page resources/overview …com/docs/en/resources/overview description: Model cards with detailed documentation for Claude models. --- <CardGroup cols={3}> <Card title="Claude Haiku 5.5 System Card" icon="file" href="https://… Use Claude Code with a screen reader Claude Code CLI · in the page accessibility …ark` action in its settings * Kitty and Ghostty: check the terminal's documentation for its jump-to-prompt key macOS Terminal doesn't act on the markers, and Claude Code doesn't emit them in WezTerm.…