571 pages for stop.

Batches Claude Developer Platform · in the page api/messages/batches …okens: number` The maximum number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …okens: number` The maximum number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …ll always be `"assistant"`. default: assistant - `stop_details: RefusalStopDetails or null` Structured information about why model output stopped. This is `nu… Create a Message Claude Developer Platform · in the page api/messages/create …ax_tokens: number` The maximum number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum numb… spans Claude Developer Platform · in the page api/opentelemetry/spans …| | `anthropic.message.stop_reason` | `string` | The response's [`stop_reason`](https://platform.claude.com/docs/en/api/messages#stop_reason… Organization Claude Developer Platform · in the page api/organization …=http). Archive a federation rule. Token exchange through this rule stops immediately. Idempotent; re-archiving returns the rule with its original `archived_at`. Archiving clears the rule's workspac… Federation Claude Developer Platform · in the page api/organization/federation …=http). Archive a federation rule. Token exchange through this rule stops immediately. Idempotent; re-archiving returns the rule with its original `archived_at`. Archiving clears the rule's workspac… Rules Claude Developer Platform · in the page api/organization/federation/rules …=http). Archive a federation rule. Token exchange through this rule stops immediately. Idempotent; re-archiving returns the rule with its original `archived_at`. Archiving clears the rule's workspac… Archive Federation Rule Claude Developer Platform · in the page api/organization/federation/rules/archive …=http). Archive a federation rule. Token exchange through this rule stops immediately. Idempotent; re-archiving returns the rule with its original `archived_at`. Archiving clears the rule's workspac… Service Accounts Claude Developer Platform · in the page api/organization/service_accounts …ch an active membership returns a 400 invalid-request error. A cursor stops matching when the membership is removed, the workspace is deleted, or the service account is archived. Restart pagination fr… Workspaces Claude Developer Platform · in the page api/organization/service_accounts/workspaces …ch an active membership returns a 400 invalid-request error. A cursor stops matching when the membership is removed, the workspace is deleted, or the service account is archived. Restart pagination fr… List Workspaces For Service Account Claude Developer Platform · in the page api/organization/service_accounts/workspaces/list …ch an active membership returns a 400 invalid-request error. A cursor stops matching when the membership is removed, the workspace is deleted, or the service account is archived. Restart pagination fr… rate-limits Claude Developer Platform · in the page api/rate-limits …e-platform-on-aws):** The same monthly spend caps apply, and requests stop at the cap in the same way. Billing and tier increases work differently; see [Spend limits on Claude Platform on AWS](https:/… User Profiles Claude Developer Platform · in the page api/user_profiles …user_profile_action_url`. - `expires_at: string` When the URL stops working, in RFC 3339 format. format: date-time - `url: string` The URL to give to the person who takes the acti… Action URLs Claude Developer Platform · in the page api/user_profiles/action_urls …user_profile_action_url`. - `expires_at: string` When the URL stops working, in RFC 3339 format. format: date-time - `url: string` The URL to give to the person who takes the acti… Create Action URL Claude Developer Platform · in the page api/user_profiles/action_urls/create …user_profile_action_url`. - `expires_at: string` When the URL stops working, in RFC 3339 format. format: date-time - `url: string` The URL to give to the person who takes the acti… Message Batches API Claude Developer Platform · in the page build-with-claude/batch-processing …hing specific you'd like to chat about or any questions you have?"}],"stop_reason":"end_turn","stop_sequence":null,"usage":{"input_tokens":11,"output_tokens":36}}}} {"custom_id":"my-first-request","re… citations Claude Developer Platform · in the page build-with-claude/citations …... }}} event: content_block_stop data: {"type": "content_block_stop", "index": 0} event: message_stop data: {"type": "message_stop"} ``` </… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …error) { token, err := credential.GetToken(ctx, policy.TokenRequestOptions{ Scopes: []string{foundry.EntraIDScope}, }) return token.Token, err } client, err := foundry.NewClie… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …overshoot is billed. When the tier cap or an organization spend limit stops your requests, an email notice goes to the recipients listed under **Email recipients** on the **Billing** page. Role-based… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …ponse. When enabled, the API returns a message with the `compaction` stop reason after generating the compaction block: <CodeGroup> ```bash cURL # pause_after_compaction stops the response right… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background …s one is swapped in or has failed. 3. When the response arrives with `stop_reason` `"compaction"`, drop exactly the messages you sent from the front of your history and put the returned message in the… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns …compaction={"type": "summarize"}, ) if summary.stop_reason == "compaction": history = [{"role": "assistant", "content": summary.content}, *recent] pr… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …once, generates no reply after it, and returns the block alone with `stop_reason` `"compaction"`. Send the same `system` prompt and `tools` that you use for the rest of the conversation. The summariz… compaction-thinking-blocks Claude Developer Platform · in the page build-with-claude/compaction-thinking-blocks …e the summarized turns are summarized too, so their text instructions stop applying after the swap. A [per-message effort](https://platform.claude.com/docs/en/build-with-claude/effort#change-effort-mi… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …ponse. When enabled, the API returns a message with the `compaction` stop reason after generating the compaction block: <CodeGroup> ```bash cURL # pause_after_compaction stops the response right… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …treaming Response wrap { "type": "message_delta", "delta": { "stop_reason": "end_turn", "stop_sequence": null }, "usage": { "output_tokens": 1024 }, "context_management": {… context-windows Claude Developer Platform · in the page build-with-claude/context-windows …the request. If generation then reaches the context window limit, it stops with `stop_reason: "model_context_window_exceeded"`. On earlier models, the API returns a [validation error](https://platfor… effort Claude Developer Platform · in the page build-with-claude/effort …ts. In long agent prompts, the model is more likely to skip a search, stop early, or skip a check at `low`. Use `high` for knowledge work, longer agent tasks, and strict instruction following. Use `xh… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …strict cap. Actual token usage varies with the task, and Claude might stop reasoning well before the budget is exhausted; `max_tokens` remains the hard ceiling on total output. On Claude Opus 4.5, th… fallback-credit Claude Developer Platform · in the page build-with-claude/fallback-credit …<Step title="Read two fields from the refusal"> On a refusal, `stop_details` includes two fields: * **`fallback_credit_token`:** an opaque string that represents the credit * **`fallba… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …back( params: Anthropic.MessageCreateParamsNonStreaming, requestOptions?: Anthropic.RequestOptions, maxAttempts: number = 3 ): Promise<Anthropic.Message> { try { return await c… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …import com.anthropic.core.JsonValue; import com.anthropic.core.RequestOptions; import com.anthropic.helpers.MessageAccumulator; import com.anthropic.models.messages.ContentBlockParam; import c… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …aused](https://platform.claude.com/docs/en/build-with-claude/handling-stop-reasons#pause-turn) assistant turn after the message, or a server-side tool loop, adds no user message, so the message still… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …pdated evaluation results. The key findings include..." } ], "stop_reason": "end_turn", "usage": { "input_tokens": 45000, "output_tokens": 300 } } ``` #### Option 2: Base64-encode… preserved-thinking Claude Developer Platform · in the page build-with-claude/preserved-thinking …where later turns build on earlier reasoning. Use `"drop_block"` as a stopgap while you fix the edit, but not as a long-term setting. </Warning> Count the responses in each session whose `input_trans… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …first. If the system finds no matching entry in that window, checking stops (or resumes from the next explicit breakpoint, if any). On the Claude API, a run of consecutive `tool_use` blocks counts as… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …ku 4.5: effort levels, search, JSON output with your own tools, early stopping in long agent prompts, verification on coding tasks, mid-turn user messages, system prompt adherence in chatbots, and saf… prompting-claude-fable-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5 …n/build-with-claude/thinking#configuring-thinking). For the `refusal` stop reason and fallback handling, see [Refusals and fallback](https://platform.claude.com/docs/en/build-with-claude/refusals-and-… Delivering work Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5-1 …5-1#search-triggering-at-low-effort) * Benign coding requests return `stop_reason: "refusal"`: [Reduce safeguard false positives](https://platform.claude.com/docs/en/build-with-claude/prompt-engineeri… prompting-claude-haiku-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-haiku-5-5 …ude Haiku 5.5: effort, search, JSON output with your own tools, early stopping, coding verification, mid-turn user messages, system prompt adherence in chatbots, reasoning in user-facing text, and ref… prompting-claude-opus-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5 …y narrowing, widening, or transforming it. Finish the whole task, and stop short of actions that are clearly beyond what was asked. ``` ## Controlling subagent spawning Claude Opus 5 delegates to su… prompting-claude-opus-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5-5 …opus-5-5#prompts-written-for-thinking-disabled) * An unattended agent stops partway through a long task after reporting progress: [Unattended agentic runs](https://platform.claude.com/docs/en/build-wi… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …that is almost entirely thinking followed by a truncated answer and `stop_reason: "max_tokens"`. Raising `max_tokens` or dropping to `medium` effort resolves this. Because Claude Sonnet 5 uses a new… prompting-claude-sonnet-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5 …engineering/prompting-claude-sonnet-5-5#calibrate-effort) * The model stops to check in before a coding task is done, or does more than you asked: [Steer initiative and scope](https://platform.claude.… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …When that happens, you receive a normal response, not an error, with `stop_reason: "refusal"`. Its `stop_details.category` names the policy area (see [What a refusal looks like](https://platform.claud… search-results Claude Developer Platform · in the page build-with-claude/search-results …-guardrails/handle-streaming-refusals"> Detect and handle refusal stop reasons in streaming responses, and retry refused requests on a fallback model. </Card> <Card title="Citations" icon="bo… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …t perform operations that require multiple turns. Handle `pause_turn` stop reasons: <CodeGroup exclude="shell:cURL, shell:CLI"> <CodeGroupItem language="cURL"> This workflow needs more logic th… streaming Claude Developer Platform · in the page build-with-claude/streaming …data. Each event uses an SSE event name (for example, `event: message_stop`), and includes the matching event `type` in its data. Each stream uses the following event flow: 1. `message_start`: conta… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …the tool first (tool_use) or respond with JSON (text) console.log("Stop reason:", response.stop_reason); for (const block of response.content) { switch (block.type) { case "tool_use":…