350 pages for wrap.

api-credits-for-subscribers Claude Developer Platform · in the page about-claude/api-credits-for-subscribers …d as usual. When the balance is exhausted, requests return: ```text wrap Your credit balance is too low to access the Anthropic API. Please go to Plans & Billing to upgrade or purchase credits. ```… Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …claude-model). It works for any target model on this page: ```text wrap /claude-api migrate this project to claude-opus-5 ``` The skill applies the model ID swap and, as needed, breaking par… model-ids-and-versions Claude Developer Platform · in the page about-claude/models/model-ids-and-versions …the Claude 4.6 generation, model IDs use a dateless format: ```text wrap claude-{name}-{major}[-{minor}] ``` Major-version releases such as Claude Sonnet 5 and Claude Opus 5 omit the minor segment.… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …port-desk prompt and request code containing those patterns: ```text wrap $ claude > /claude-api prompt-audit 10 findings. The three that matter most: 1. budget_tokens returns a 400 on Opus 5 (supp… content-moderation Claude Developer Platform · in the page about-claude/use-case-guides/content-moderation …unsafe_categories) # Format messages string, with each message wrapped in XML-like tags and given an ID messages_str = "\n".join( [f"<message id={idx}>{msg}</message>" for idx,… customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …tion answering to information retrieval to taking action on requests, wrapped up in a single customer interaction. Before you start building, break down your ideal customer interaction into every task… ticket-routing Claude Developer Platform · in the page about-claude/use-case-guides/ticket-routing …he deployment structure. Start by defining the function signature for wrapping the call to Claude. Extend the function you started writing earlier, which takes `ticket_contents` (typescript, csharp, g… claude-api-skill Claude Developer Platform · in the page agents-and-tools/agent-skills/claude-api-skill …arketplace ``` <Accordion title="Manual install commands"> ```text wrap /plugin marketplace add anthropics/skills /plugin install claude-api@anthropic-agent-skills ``` </Accordion> ## Migrat… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …ontent union; message // content is a separate union type, so re-wrap the shared variants // (mcp.ToMessage does the same internally). anthropic.BetaContentBlockParamUnion{ OfText… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …other sentences that mention the advisor. Timing guidance: ```text wrap You have access to an `advisor` tool backed by a stronger reviewer model. It takes NO parameters — when you call advisor(), y… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …l commands"> Keep an audit trail. Route every command through one wrapper that records the command before it runs and the output after it completes. A command that hangs or breaks the session stil… browser-use-sdk Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-sdk …state report that every driver needs. `backend` stands for your own wrapper around a browser automation library, such as Playwright. The URL policy is an example. [Write a URL policy](https://platfo… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …AADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==" // textContent wraps text as tool_result content. func textContent(text string) []anthropic.ToolResultBlockParamContentUnion { return []anth… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …== :text end ``` </CodeGroup> **What to expect** ```text Output wrap stop_reason: tool_use Tool: create_calendar_event Input: {'title': 'Sync', 'start': '2026-03-30T10:00:00', 'end': '2026-03-30… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …ructions to your system prompt that clarify the distinction: ```text wrap When multiple code execution environments are available, be aware that: - Variables, files, and state do NOT persist between… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …}, }, }, }} } // textContent wraps text as tool_result content. func textContent(text string) []anthropic.ToolResultBlockParamContentUnion { retur… define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …vide the necessary context for the tool to operate properly: ```text wrap In this environment you have access to a set of tools you can use to answer the user's question. {{ FORMATTING INSTRUCTIONS }… fine-grained-tool-streaming Claude Developer Platform · in the page agents-and-tools/tool-use/fine-grained-tool-streaming …nto the full tool input, so the poem arrives piece by piece: ```text wrap {"filename": "poem.txt", "lines_of_text": ["The Wanderer's Journey", "", "I.", "", "Beneath the vast and star-strewn sky,", "… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …A typical interaction looks like this: **1. User request:** ```text wrap "Help me respond to this customer service ticket." ``` **2. Claude checks the memory directory:** ```text wrap "I'll help y… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …== :text } puts final_text.text ``` </CodeGroup> ```text Output wrap Claude called get_weather with {"location": "San Francisco, CA"} The current weather in San Francisco is 15 degrees Celsius w… parallel-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/parallel-tool-use …aude 4 and later models, add this to your system prompt: ```text wrap For maximum efficiency, whenever you need to perform multiple independent operations, invoke all relevant tools simultane… server-tools Claude Developer Platform · in the page agents-and-tools/tool-use/server-tools …and the request fails with a 400 `invalid_request_error`: ```text wrap `web_fetch` tool use with id `srvtoolu_01HxbWnMRmbWyMfUtJKC45rA` was found without a corresponding `web_fetch_tool_result`… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …cription: Use the SDK's tool runner to handle the agentic loop, error wrapping, and type safety automatically. featureMetadata: status: beta supportedModels: - claude-fable-5-2 - claude-my… Beta Claude Developer Platform · in the page api/beta …nd the mode-less object are equivalent (both select `strict`), so wrapping an existing token changes nothing by itself. - `token: string` The opaque `fallback_credit_token` from a… Messages Claude Developer Platform · in the page api/beta/messages …nd the mode-less object are equivalent (both select `strict`), so wrapping an existing token changes nothing by itself. - `token: string` The opaque `fallback_credit_token` from a… Batches Claude Developer Platform · in the page api/beta/messages/batches …he mode-less object are equivalent (both select `strict`), so wrapping an existing token changes nothing by itself. - `token: string` The opaque `fallback_credit_to… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …he mode-less object are equivalent (both select `strict`), so wrapping an existing token changes nothing by itself. - `token: string` The opaque `fallback_credit_to… Create a Message Claude Developer Platform · in the page api/beta/messages/create …nd the mode-less object are equivalent (both select `strict`), so wrapping an existing token changes nothing by itself. - `token: string` The opaque `fallback_credit_token` from a… Plugin Marketplaces Claude Developer Platform · in the page api/beta/organization/plugin_marketplaces …A .zip of the marketplace directory (its contents at the root, or wrapped in one folder as a Git host's download produces), sent as a file part with a filename; DEFLATE- or STORE-compressed, at mo… Validate Plugin Marketplace Archive Claude Developer Platform · in the page api/beta/organization/plugin_marketplaces/validate_archive …A .zip of the marketplace directory (its contents at the root, or wrapped in one folder as a Git host's download produces), sent as a file part with a filename; DEFLATE- or STORE-compressed, at mo… claude-platform-on-aws-iam-actions Claude Developer Platform · in the page api/claude-platform-on-aws-iam-actions …es** | `workspace` | Workspace ARN format: ```text wrap arn:aws:aws-external-anthropic:{region}:{account-id}:workspace/{workspace-id} ``` The ARN region is always populated and mat… errors Claude Developer Platform · in the page api/errors …ng block (for example, `messages.1.content.0`) and contains: ```text wrap `thinking` or `redacted_thinking` blocks in the latest assistant message cannot be modified. These blocks must remain as they… ip-addresses Claude Developer Platform · in the page api/ip-addresses …isted these addresses, remove them from your firewall rules. ```text wrap 34.162.46.92/32 34.162.102.82/32 34.162.136.91/32 34.162.142.92/32 34.162.183.95/32 ``` Before Claude Developer Platform · in the page api/migration-2026-10-21 …a test stub. The Claude API accepts a key in either header. ```text wrap # Before X-Api-Key: <key> # After Authorization: Bearer <key> ``` <Tabs> <Tab title="CLI"> This applies to a key in `… rate-limits Claude Developer Platform · in the page api/rate-limits …t tokens in your request. To calculate total input tokens: ```text wrap total_input_tokens = cache_read_input_tokens + cache_creation_input_tokens + input_tokens ``` This means when you have… service-tiers Claude Developer Platform · in the page api/service-tiers …ty Tier commitment, these response headers provide insights: ```text wrap anthropic-priority-input-tokens-limit: 10000 anthropic-priority-input-tokens-remaining: 9618 anthropic-priority-input-tokens-… citations Claude Developer Platform · in the page build-with-claude/citations …p of this page. Send it in place of that example’s question: ```text wrap Extract these fields from the document: grass_color, sky_color. Answer with one line per field in the form "field: value", an… anthropic-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/anthropic-managed …URL that names your project, a location, and your workspace: ```text wrap https://claude.googleapis.com/v1/projects/{project}/locations/global/workspaces/{workspace}/invoke ``` The [organization-lev… claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …se model ID fails with an HTTP 400 error like the following: ```text wrap Invocation of model ID anthropic.claude-sonnet-4-5-20250929-v1:0 with on-demand throughput isn't supported. Retry your reques… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …cumentation. The endpoint service name follows this format: ```text wrap com.amazonaws.{region}.aws-external-anthropic ``` For example: ```text wrap com.amazonaws.us-east-2.aws-external-anthropic… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …t window. For example, some models use the following prompt: ```text wrap You have written a partial transcript for the initial task above. Please write a summary of the transcript. The purpose of th… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …ird.input_transformations.length}" ``` </CodeGroup> ```text Output wrap Thinking blocks in the kept turn: 1 Dropped thinking blocks: 0 ``` In production, `"drop_block"` keeps requests succeeding w… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …ext window. For example, this is one of the default prompts: ```text wrap You have written a partial transcript for the initial task above. Please write a summary of the transcript. The purpose of th… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …is injected as a user turn, and Claude generates a structured summary wrapped in `<summary></summary>` tags. 3. **Context replacement:** The SDK extracts the summary and replaces the entire message hi… This will automatically use the environment variable VOYAGE_API_KEY. Claude Developer Platform · in the page build-with-claude/embeddings …th document, which is indeed the most relevant to the query: ```text wrap Apple's conference call to discuss fourth fiscal quarter results and business updates is scheduled for Thursday, November 2,… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …,000 to 8,000 tokens shows the invalidation directly: ```text Output wrap First request - establishing cache First response usage: { cache_creation_input_tokens: 1370, cache_read_input_tokens: 0, inp… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …nvalid_request_error` that names the unresolved server tool: ```text wrap `web_search` tool use with id `srvtoolu_01HxbWnMRmbWyMfUtJKC45rA` was found without a corresponding `web_search_tool_result`… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …n’t need to send `mid-conversation-tool-changes-2026-07-01` as well. Wrap the definition in a `tool` object of type `tool_definition`. The `definition` is a `tools` entry, such as a custom tool or an… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …_mismatch_allowed`. #### The 400 error The message starts: ```text wrap messages.1.content.0: Invalid `signature` in `thinking` block. The block is bound to a different conversation. Remove the blo… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …input tokens you sent. To calculate total input tokens: ```text wrap total_input_tokens = cache_read_input_tokens + cache_creation_input_tokens + input_tokens ``` **Spatial explanation:**…