605 pages for supported.

message-threads Claude Developer Platform · in the page build-with-claude/message-threads …is feature does not affect your use of other ZDR eligible features. supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …rror) when (error is IOException or UnauthorizedAccessException or NotSupportedException) { // The journal is best-effort; never discard a computed result. Console.Error.Writ… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …nference path and nothing is stored server-side after the response. supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …performance relative to English. featureMetadata: status: stable supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… overview Claude Developer Platform · in the page build-with-claude/overview …| Up to 2.5 times more output tokens per second from supported models, at premium pricing. | | [Files API](… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …api-and-data-retention#model-specific-data-retention-requirements). supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …ing before the block has changed. featureMetadata: status: stable supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-opus-5-5 - claude-sonnet-5-5 - claude-haiku-5… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …held in memory for the cache TTL and promptly deleted after expiry. supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …for Claude to continue from) on the last assistant turn are no longer supported. Requests with prefilled assistant messages to these models return a 400 error. Model intelligence and instruction follo… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …ded thinking (`thinking: {type: "enabled", budget_tokens: N}`) is not supported on Claude Sonnet 5 and returns a 400 error. It was deprecated on Claude Sonnet 4.6 and is now removed. Use adaptive thin… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …how to retry refused requests on a fallback model. featureMetadata: supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-opus-5-5 - claude-opus-5… search-results Claude Developer Platform · in the page build-with-claude/search-results …api-and-data-retention#model-specific-data-retention-requirements). supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… streaming Claude Developer Platform · in the page build-with-claude/streaming …t, tool use, and thinking deltas. featureMetadata: status: stable supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …e (`strict: true` on tools), which uses the same grammar pipeline." supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… task-budgets Claude Developer Platform · in the page build-with-claude/task-budgets …atureMetadata: status: beta betaHeader: task-budgets-2026-03-13 supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… text-watermark Claude Developer Platform · in the page build-with-claude/text-watermark …sampling parameters to omit if you rely on it. --- Text generated by supported Claude models carries Anthropic’s text watermark. [How Claude marks AI-generated content](https://support.claude.com/en/… thinking Claude Developer Platform · in the page build-with-claude/thinking …api-and-data-retention#model-specific-data-retention-requirements). supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… thinking-troubleshooting Claude Developer Platform · in the page build-with-claude/thinking-troubleshooting …cks back in later requests). The first section maps each model to its supported thinking configurations and the ones it rejects; the sections after it each start from a symptom you observe, so you can… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …data-retention-requirements). Count tokens before sending requests. supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… vision Claude Developer Platform · in the page build-with-claude/vision …ities for multimodal interaction. featureMetadata: status: stable supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… vision-coordinates Claude Developer Platform · in the page build-with-claude/vision-coordinates …k where you act on a specific region of an image. For sending images, supported formats, and per-model resolution limits, see [Vision](https://platform.claude.com/docs/en/build-with-claude/vision). <… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …-requirements). Standard API calls for generating Claude responses. supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …text and images in requests. Both `base64` and `url` source types are supported for images, along with the `image/jpeg`, `image/png`, `image/gif`, and `image/webp` media types. <CodeGroup exclude="sh… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …or Foundation Models Swift package. featureMetadata: status: beta supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… openai-sdk Claude Developer Platform · in the page cli-sdks-libraries/libraries/openai-sdk …ate Anthropic model capabilities. featureMetadata: status: stable supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… middleware Claude Developer Platform · in the page cli-sdks-libraries/middleware …rcept and modify the SDK's requests and responses. featureMetadata: supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… csharp Claude Developer Platform · in the page cli-sdks-libraries/sdks/csharp …d API. However, it also supports working with undocumented or not yet supported parts of the API. ## Platform integrations <Note> For detailed platform setup guides with code examples, see: * [… java Claude Developer Platform · in the page cli-sdks-libraries/sdks/java …rintln()` for output. The API calls themselves are identical on every supported JDK; to compile an example on an earlier version, replace `IO.println(...)` with `System.out.println(...)` and place the… typescript Claude Developer Platform · in the page cli-sdks-libraries/sdks/typescript …install @anthropic-ai/sdk ``` ## Requirements TypeScript >= 5.0 is supported. The following runtimes are supported: * Node.js 20 LTS or later ([non-EOL](https://endoflife.date/nodejs)) versions.… access-transparency Claude Developer Platform · in the page manage-claude/access-transparency …message. Currently `null` or omitted until resources with parents are supported… analytics-api Claude Developer Platform · in the page manage-claude/analytics-api …`, `user_usage_report`, and `user_cost_report`) are legacy and remain supported. For new integrations, use the [Usage and Cost Analytics API](https://platform.claude.com/docs/en/manage-claude/usage-co… api-and-data-retention Claude Developer Platform · in the page manage-claude/api-and-data-retention …PHI). With a signed BAA and a HIPAA-enabled organization, you can use supported API features to process PHI while supporting your organization’s HIPAA compliance. Eligible organizations can review and… First request Claude Developer Platform · in the page manage-claude/claude-code-analytics-api …deletion period for this data. ### Which Claude Code deployments are supported? This API only tracks Claude Code usage on the Claude API. Usage through [Claude in Amazon Bedrock](https://platform.cl… cmek Claude Developer Platform · in the page manage-claude/cmek …ations. * The standalone Claude Design app at claude.ai/design is not supported with CMEK, and its data might not be encrypted under your key. The standalone app is closing. Claude Design in conversat… cmek-azure-key-vault Claude Developer Platform · in the page manage-claude/cmek-azure-key-vault …| | `pub` | `"Enabled"`. Private endpoints aren’t supported. | | `net` | `… cmek-coverage-claude-enterprise Claude Developer Platform · in the page manage-claude/cmek-coverage-claude-enterprise …| Not supported. See [Encrypted with Anthropic’s key](https://platform.claude.com/docs/en/manage-claude/cmek-coverage-claude-enterprise#… Fetch the first page (newest activities first). Claude Developer Platform · in the page manage-claude/compliance-activity-feed …response schema for `GET /v1/compliance/activities`, including every supported `activity_types[]` value. </Card> <Card title="Retrieve and delete chats, files, and projects" href="https://platfo… compliance-api Claude Developer Platform · in the page manage-claude/compliance-api …y Feed"> Retrieve, filter, and paginate the shared Activity Feed. Supported by both key types. </Card> <Card href="https://platform.claude.com/docs/en/manage-claude/compliance-content-data" t… WARNING: This operation PERMANENTLY deletes the chat, all of its messages, Claude Developer Platform · in the page manage-claude/compliance-content-data …lt `order_by=created_at`. Backward pagination with `before_id` is not supported, and the `project_ids[]` filter is not available. See [List chats](https://platform.claude.com/docs/en/api/compliance/ap… compliance-errors Claude Developer Platform · in the page manage-claude/compliance-errors …as a date or timestamp, and an `activity_types[]` value that is not a supported activity type. **Fix:** Correct the parameter named in the message. Each list endpoint has its own `limit` range; see t… data-residency Claude Developer Platform · in the page manage-claude/data-residency …api-and-data-retention#model-specific-data-retention-requirements). supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… inference-hooks Claude Developer Platform · in the page manage-claude/inference-hooks …* Verdicts are allow or deny. Rewriting or redacting a prompt is not supported. * Claude Platform organizations (API access through the Platform) are out of scope. *** ## Availability Inference ho… inference-hooks-configuration Claude Developer Platform · in the page manage-claude/inference-hooks-configuration …cts. Reverse-tunnel hosts (ngrok and similar tunnel services) are not supported: Anthropic’s network policy blocks them. Don’t test through a tunnel; host your server on a domain you control. For the… inference-hooks-endpoint Claude Developer Platform · in the page manage-claude/inference-hooks-endpoint …ion. Reverse-tunnel hosts (ngrok and similar tunnel services) are not supported: Anthropic’s network policy blocks them. Host your server on a domain you control. [Configure Inference hooks](https://p… opentelemetry Claude Developer Platform · in the page manage-claude/opentelemetry …tform.claude.com/docs/en/manage-claude/opentelemetry status: beta supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… api Claude Developer Platform · in the page manage-claude/opentelemetry/api …side Anthropic, under that service's retention and access controls. supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… sdk Claude Developer Platform · in the page manage-claude/opentelemetry/sdk …tform.claude.com/docs/en/manage-claude/opentelemetry status: beta supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-pre… organization-webhooks Claude Developer Platform · in the page manage-claude/organization-webhooks …. featureMetadata: status: beta betaHeader: webhooks-2026-10-07 supportedPlatforms: Claude API: beta --- An organization webhook endpoint receives an event when Anthropic restricts or bans… plugins-api Claude Developer Platform · in the page manage-claude/plugins-api …ll commit SHA. * Validation reports unpinned sources and sources on unsupported hosts as plugin errors. * For `validate_repository`, the branch that validation reads defaults to the branch that the ma… rate-limits-api Claude Developer Platform · in the page manage-claude/rate-limits-api …rganization has access to matches its group. The `model` parameter is supported on the organization endpoint only; the workspace endpoint doesn’t accept it. ## Workspace rate limits The `/v1/organiz…