1,265 pages for -p.

Create Action URL Claude Developer Platform · in the page api/user_profiles/action_urls/create …"user_profile_action_url", "url": "https://platform.claude.com/user-profiles/enrollment/M3J0bGJxZ2ppMnptbnB1" } ``` Create User Profile Claude Developer Platform · in the page api/user_profiles/create …tes them. Every field is optional. Not accepted under the legacy `user-profiles-2026-03-24` and `user-profiles-2026-08-18` beta headers, which take the top-level `external_id` (and, under `user-profil… List User Profiles Claude Developer Platform · in the page api/user_profiles/list …ing is complete. Rejected with `invalid_request_error` under the `user-profiles-2026-09-04` and earlier beta headers. Fails with `overloaded_error` when a profile's enforcement actions cannot be read… Get User Profile Claude Developer Platform · in the page api/user_profiles/retrieve …oken counting request can send a profile's `id` in the `anthropic-user-profile-id` header to attribute the request to that entity. - `type: "user_profile"` Object type. Always `user_profile`.… Update User Profile Claude Developer Platform · in the page api/user_profiles/update …be cleared and `null` is rejected. Not accepted under the legacy `user-profiles-2026-03-24` and `user-profiles-2026-08-18` beta headers. - `account_status: optional UserProfileExternalUserAccountSt… versioning Claude Developer Platform · in the page api/versioning …m on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws), [Claude Models on Google Cloud (Anthropic managed)](https://platform.claude.com/docs/en/build-with-claude/claud… citations Claude Developer Platform · in the page build-with-claude/citations …rocessing](https://platform.claude.com/docs/en/build-with-claude/batch-processing). <Warning> **Citations and structured outputs are incompatible** Citations cannot be used together with [struct… claude-in-amazon-bedrock Claude Developer Platform · in the page build-with-claude/claude-in-amazon-bedrock …while using the same Messages API shape you use with Anthropic's first-party API. <Note> This page covers Claude in Amazon Bedrock, which serves Claude through the Messages API at `/anthropic/v1/me… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …rm.claude.com/docs/en/about-claude/pricing#claude-in-microsoft-foundry-pricing) for details. ## Hosting options Claude models in Microsoft Foundry are available in two hosting options. You choose th… anthropic-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/anthropic-managed …m \ anthropic-managed-claude.cloudpartnerservices.goog \ --project=my-project-id ``` Replace `my-project-id` with your project ID. You can also enable both from the Claude pa… google-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/google-managed …Agent Platform](https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/partner-models/claude) page. 2. The [gcloud CLI](https://cloud.google.com/sdk/docs/install) installed, for local… overview Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/overview …de.com/docs/en/api/claude-models-on-google-cloud-anthropic-managed-iam-permissions"> Look up permissions, roles, and audit log types. </Card> </CardGroup> claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …m on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws). Existing Bedrock users can follow the [migration guide](https://platform.claude.com/docs/en/build-with-claude/c… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …laude-mythos-5-1`, `claude-fable-5`, `claude-mythos-5`, `claude-mythos-preview`, `claude-opus-5`, `claude-opus-4-8`, `claude-opus-4-7`, `claude-opus-4-6`, `claude-sonnet-5`, `claude-sonnet-4-6` - Plat… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …m.claude.com/docs/en/build-with-claude/context-editing#default-summary-prompt) | Custom prompt for summary generation | #### Choosing a token threshold The threshold determines when compaction o… context-windows Claude Developer Platform · in the page build-with-claude/context-windows …(https://platform.claude.com/docs/en/about-claude/pricing#long-context-pricing), except on Claude Haiku 5.5, where prompts over 100,000 tokens cost more. A single request can include up to 600 images… effort Claude Developer Platform · in the page build-with-claude/effort …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… This will automatically use the environment variable VOYAGE_API_KEY. Claude Developer Platform · in the page build-with-claude/embeddings …s embedding models and rerankers. Its embedding models include general-purpose, multimodal, contextualized, and domain-specific models. The rest of this guide is for Voyage AI, but you should assess… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …rocessing](https://platform.claude.com/docs/en/build-with-claude/batch-processing) to avoid networking issues. Pushing the model to think beyond 32k tokens produces long-running requests that can hit… fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …e Batches](https://platform.claude.com/docs/en/build-with-claude/batch-processing) don't mint credit tokens, and redemption applies only to direct Messages API requests: a token passed on a batch requ… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …ng](https://platform.claude.com/docs/en/about-claude/pricing#fast-mode-pricing) page. ## Rate limits Fast mode has a dedicated rate limit that is separate from standard Opus rate limits. When your f… files Claude Developer Platform · in the page build-with-claude/files …/en/api/files/list). The SDK returns the first page and provides [auto-pagination](https://platform.claude.com/docs/en/api/overview#pagination) helpers. <CodeGroup> ```bash cURL curl https://api.… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …on directly. With cURL, inspect stop_reason # on the response and re-POST with the assistant content appended. curl https://api.anthropic.com/v1/messages \ -H "x-api-key: $ANTHROPIC_API_KEY" \… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …EFFORT = "xhigh" SYSTEM_PROMPT = ( "You are a helpful general-purpose agent. Answer the user's request directly." ) REQUEST_TIMEOUT_SECONDS = 600 BASH_TIMEOUT_SECONDS = 60 TOOL_RESUL… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …ns of cached turns. Adding it to the top-level `system` field would re-process the entire history. * **Per-turn context that must be authoritative.** You want to inject a freshness note, a session dea… overview Claude Developer Platform · in the page build-with-claude/overview …m on AWS](https://platform.claude.com/docs/en/build-with-claude/claude-platform-on-aws) have a [beta header](https://platform.claude.com/docs/en/api/beta-headers). | | **Deprecated** | Feature is stil… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …atform.claude.com/docs/en/build-with-claude/pdf-support#amazon-bedrock-pdf-support). ### Amazon Bedrock PDF support When using PDF support through the Converse API, part of [Claude on Amazon Bedrock… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …atform.claude.com/docs/en/build-with-claude/preserved-thinking#replace-prefix-edits). In the Message Batches API, an item that leaves the field unset doesn't fail. Where the API enforces the check by… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …(https://platform.claude.com/docs/en/about-claude/pricing#long-context-pricing), and data residency. On a model priced by prompt length, cache reads and cache writes count toward a request's prompt le… overview Claude Developer Platform · in the page build-with-claude/prompt-engineering/overview …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices"> For model-specific tuning guidance for Claude's latest models, start here. </Card> </CardGroup>… prompting-claude-fable-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Claude Fable 5 takes on problems that were previously too complex, long-running, or ambiguous for pri… Delivering work Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5-1 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Your existing Claude Fable 5 prompts should perform well on Claude Fable 5.1 without changes, but a h… prompting-claude-haiku-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-haiku-5-5 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Existing Claude Haiku 4.5 prompts should perform well without changes. Start with the section that ma… prompting-claude-opus-4-8 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-4-8 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Claude Opus 4.8 has particular strengths in long-horizon agentic work, knowledge work, vision, and me… prompting-claude-opus-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Claude Opus 5 is built for complex agentic coding and enterprise work, with particular strengths in l… prompting-claude-opus-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5-5 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Claude Opus 5.5 generates output tokens more than 30 percent faster than Claude Opus 5 and tends to c… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Claude Sonnet 5 has particular strengths in coding and agentic tasks. It performs well out of the box… prompting-claude-sonnet-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5 …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices). Existing Claude Sonnet 5 prompts should perform well without changes, and the patterns in [Prompting… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …| | `"general_harms"` | The request falls under a usage-policy area outside the four named categories. Benign work can also trigger this category.… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …https://platform.claude.com/docs/en/agents-and-tools/agent-skills/best-practices"> Learn how to write effective Skills that Claude can discover and use successfully. </Card> </CardGroup> ## Ove… streaming Claude Developer Platform · in the page build-with-claude/streaming …ith SDKs The [Python SDK](https://github.com/anthropics/anthropic-sdk-python) and [TypeScript SDK](https://github.com/anthropics/anthropic-sdk-typescript) offer multiple ways of streaming. The [PHP S… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …hos-5-1 - claude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-opus-4-8 - claude-opus-4-7 - claude-opus-4-6 - claude-… thinking Claude Developer Platform · in the page build-with-claude/thinking …://platform.claude.com/docs/en/build-with-claude/thinking#thinking-and-prompt-caching). ### Preserving thinking blocks When Claude calls a tool, it pauses construction of its response to await exter… thinking-steering-and-cost Claude Developer Platform · in the page build-with-claude/thinking-steering-and-cost …latform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices#leverage-thinking-and-interleaved-thinking-capabilities). ### Effort levels Effort is the primary stee… thinking-troubleshooting Claude Developer Platform · in the page build-with-claude/thinking-troubleshooting …disabled, most commonly on tool-heavy workloads such as search. System-prompt rules instructing the model not to think or not to reason increase the tag leakage. Re-enable thinking (the default) and…