261 pages for refuse.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
glossary
Claude Developer Platform · in the page
about-claude/glossary
…asked to aid in a dangerous or unethical act, the AI should politely refuse and explain why it cannot comply. ## Latency Latency, in the context of generative AI and large language models, refers t…
Or, for the model with the same capabilities and no access approval requirement:
Claude Developer Platform · in the page
about-claude/models/migration-guide
…he full set. You are not billed for the input tokens of a request refused before any output is generated. When a classifier fires mid-stream, the input and already-streamed output are billed; disc…
optimizing-for-cost-and-intelligence
Claude Developer Platform · in the page
about-claude/models/optimizing-for-cost-and-intelligence
…lone at 91% with refusals counted as wrong, but only because Opus 5.5 refused six biology questions per run compared with Sonnet 5.5's one. On the questions each answered, Opus 5.5 led by about 2 poin…
Edit docker-compose.yaml: increment the integer in the setup service's
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/deploy-compose
…example, --token-version=1 to # --token-version=2). The setup binary refuses to rotate when the value # hasn't changed. # export TUNNEL_ID=tnl_... # set only if you set it during install export AN…
browser-use-sdk
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-sdk
…e }, navigate: { enabled: false } } }); ``` </CodeGroup> The SDK refuses a call to a disabled member before your code runs. Enabling a member your class doesn't implement is a configuration error…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…`, treat a URL without a scheme as `https://`, then parse the URL and refuse any scheme other than `http` or `https` (`javascript:`, `file:`, `data:`, `chrome:`, and so on) with an [error result](http…
memory-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/memory-tool
…s are your responsibility: ### Sensitive information Claude usually refuses to write sensitive information to memory files. For stronger guarantees, add validation that strips sensitive data before…
troubleshooting-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/troubleshooting-tool-use
…---------------------------------------------------------- | | Claude refuses to act on a tool result, or asks the user to confirm instructions that came from it | Your own instructions are being deli…
web-fetch-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-fetch-tool
…prints its input, or an error message that quotes it). The tool also refuses a URL that appears to contain a credential, such as an API key or a password, unless that credential appears in the system…
Beta
Claude Developer Platform · in the page
api/beta
…rom a prior refusal's `stop_details`. When a preceding request was refused and returned a `fallback_credit_token`, pass that code here on the retry to have the retry's cache-creation tokens for…
Messages
Claude Developer Platform · in the page
api/beta/messages
…rom a prior refusal's `stop_details`. When a preceding request was refused and returned a `fallback_credit_token`, pass that code here on the retry to have the retry's cache-creation tokens for…
Batches
Claude Developer Platform · in the page
api/beta/messages/batches
…a prior refusal's `stop_details`. When a preceding request was refused and returned a `fallback_credit_token`, pass that code here on the retry to have the retry's cache-creation tokens…
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…a prior refusal's `stop_details`. When a preceding request was refused and returned a `fallback_credit_token`, pass that code here on the retry to have the retry's cache-creation tokens…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/beta/messages/batches/results
…Opaque code that refunds the cache-miss cost when retrying this refused request on the fallback model. Pass it as `fallback_credit_token` on the retry request. Expires 5…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…rom a prior refusal's `stop_details`. When a preceding request was refused and returned a `fallback_credit_token`, pass that code here on the retry to have the retry's cache-creation tokens for…
Plugin Marketplaces
Claude Developer Platform · in the page
api/beta/organization/plugin_marketplaces
…is missing, private, or has no such branch or commit is reported, not refused: the response is a report with `valid: false`. Plugin sources outside the marketplace are fetched anonymously from GitHub,…
Validate Plugin Marketplace Archive
Claude Developer Platform · in the page
api/beta/organization/plugin_marketplaces/validate_archive
…out. An archive that cannot be read as a marketplace is reported, not refused: the response is a report with `valid: false`. Plugin sources outside the marketplace are fetched anonymously from GitHub,…
Validate Plugin Marketplace Repository
Claude Developer Platform · in the page
api/beta/organization/plugin_marketplaces/validate_repository
…is missing, private, or has no such branch or commit is reported, not refused: the response is a report with `valid: false`. Plugin sources outside the marketplace are fetched anonymously from GitHub,…
Plugins
Claude Developer Platform · in the page
api/beta/organization/plugins
…`. A Plugin going into the organization's library marketplace is also refused with a 409 when one of its skills has the name of an organization skill (a skill an administrator uploaded for the whole o…
Create Plugin
Claude Developer Platform · in the page
api/beta/organization/plugins/create
…`. A Plugin going into the organization's library marketplace is also refused with a 409 when one of its skills has the name of an organization skill (a skill an administrator uploaded for the whole o…
Update Plugin
Claude Developer Platform · in the page
api/beta/organization/plugins/update
…ing enabled, a version whose `content_scan.status` is `processing` is refused with a 409 (`error_code` `scan_pending`; retry once the scan finishes). A version whose `content_scan.status` is `errored`…
Versions
Claude Developer Platform · in the page
api/beta/organization/plugins/versions
…an administrator uploaded for the whole organization in claude.ai) is refused with a 409: `error_code` `skill_name_taken`, with that name in `details.skill_name`. A 503 with `error_code` `registration…
Create Plugin Version
Claude Developer Platform · in the page
api/beta/organization/plugins/versions/create
…an administrator uploaded for the whole organization in claude.ai) is refused with a 409: `error_code` `skill_name_taken`, with that name in `details.skill_name`. A 503 with `error_code` `registration…
Telemetry Destinations
Claude Developer Platform · in the page
api/beta/organization/telemetry_destinations
…. If you leave `workspace_ids` out, the list starts empty. If the API refuses one of the IDs, it doesn't create the destination. On update, `workspace_ids` replaces the whole list. A workspace…
Create a Telemetry Destination
Claude Developer Platform · in the page
api/beta/organization/telemetry_destinations/create
…. If you leave `workspace_ids` out, the list starts empty. If the API refuses one of the IDs, it doesn't create the destination. On update, `workspace_ids` replaces the whole list. A workspace…
Update a Telemetry Destination
Claude Developer Platform · in the page
api/beta/organization/telemetry_destinations/update
…in the same form as on create. The field can't be `null`. The API refuses an update that changes the type or sends `workspace_ids` while the destination's list has more than 750 workspaces. Remove…
Events
Claude Developer Platform · in the page
api/beta/sessions/events
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
List Events
Claude Developer Platform · in the page
api/beta/sessions/events/list
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
Stream Events
Claude Developer Platform · in the page
api/beta/sessions/events/stream
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
Threads
Claude Developer Platform · in the page
api/beta/sessions/threads
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
List Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/list
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
Stream Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/stream
…h the server's per-invocation judgement). Absent only when the server refused the call before any policy applied (for example, the named tool is not enabled in the session); such a refusal has evaluat…
Compliance API
Claude Developer Platform · in the page
api/compliance
…same cause may be reported once until the cause changes, and requests refused before a token exchange is attempted are not reported, except the "connector_scope_not_granted" and "identity_assertion_re…
Activities
Claude Developer Platform · in the page
api/compliance/activities
…same cause may be reported once until the cause changes, and requests refused before a token exchange is attempted are not reported, except the "connector_scope_not_granted" and "identity_assertion_re…
Query compliance activities
Claude Developer Platform · in the page
api/compliance/activities/list
…same cause may be reported once until the cause changes, and requests refused before a token exchange is attempted are not reported, except the "connector_scope_not_granted" and "identity_assertion_re…
Message Batches API
Claude Developer Platform · in the page
build-with-claude/batch-processing
…-fallback)) | Server-side fallback doesn't apply to batches. To retry refused requests, see [Refusals in Message Batches](https://platform.claude.com/docs/en/build-with-claude/refusals-and-fallback#re…
compaction-on-demand
Claude Developer Platform · in the page
build-with-claude/compaction-on-demand
…tion-on-demand#how-it-fits-with-the-rest-of-the-api) says. The runner refuses to compact while its `context_management` has a compaction edit, so use one kind of compaction on a runner. ### When to c…
fallback-credit
Claude Developer Platform · in the page
build-with-claude/fallback-credit
…escription: Avoid paying the prompt-cache cost twice when you retry a refused request on another model. --- Prompt caches are per-model. When a model declines a request and you retry on another model…
handling-stop-reasons
Claude Developer Platform · in the page
build-with-claude/handling-stop-reasons
…stop_details` is `null` for all stop reasons other than `refusal`. A refused request on Claude Fable 5.1, Claude Fable 5, Claude Opus 5.5, Claude Opus 5, Claude Sonnet 5.5, or Claude Haiku 5.5 can us…
mid-conversation-effort-example
Claude Developer Platform · in the page
build-with-claude/mid-conversation-effort-example
…unched across the whole session, not just for each Workflow call, and refuse to exceed a hard cap so a runaway plan cannot exhaust your quota. The patterns in this example (the mode reminders, standi…
overview
Claude Developer Platform · in the page
build-with-claude/overview
…| Avoid paying the prompt-cache cost twice when you retry a refused request on another model. The refusal carries a credit token, and echoing it on the retry bills the retry as though the co…
refusals-and-fallback
Claude Developer Platform · in the page
build-with-claude/refusals-and-fallback
…5.5, and Claude Haiku 5.5 return classifier refusals and how to retry refused requests on a fallback model. --- Claude Fable 5.1, Claude Fable 5, Claude Opus 5.5, Claude Opus 5, Claude Sonnet 5.5, an…
search-results
Claude Developer Platform · in the page
build-with-claude/search-results
…ect and handle refusal stop reasons in streaming responses, and retry refused requests on a fallback model. </Card> <Card title="Citations" icon="book" href="https://platform.claude.com/docs/en/b…
structured-outputs
Claude Developer Platform · in the page
build-with-claude/structured-outputs
…helpfulness properties even when using structured outputs. If Claude refuses a request for safety reasons: * The response has `stop_reason: "refusal"`. * You'll receive a 200 status code. * You'll b…
thinking
Claude Developer Platform · in the page
build-with-claude/thinking
…it the model's internal reasoning as part of the response text may be refused with `stop_details.category: "reasoning_extraction"`. See [Refusal categories](https://platform.claude.com/docs/en/build-w…
vision
Claude Developer Platform · in the page
build-with-claude/vision
…identification:** Claude cannot be used to name people in images and refuses to do so (see the [Usage Policy](https://www.anthropic.com/legal/aup)). * **Accuracy:** Claude might hallucinate or make m…
apply
Claude Developer Platform · in the page
cli-sdks-libraries/cli/apply
…deployment's first message. A vault has no text field, so `ant apply` refuses a vault Markdown file that has prose. Resources refer to each other by path. Wherever the API expects another resource's…
access-transparency-log
Claude Developer Platform · in the page
manage-claude/access-transparency-log
…* An event still pending 24 hours after the run first saw it. * A refused inclusion proof (`400`, `401`, or `403`) for an event the feed served you. * An inclusion proof returned for a different…
WARNING: This operation PERMANENTLY deletes the chat, all of its messages,
Claude Developer Platform · in the page
manage-claude/compliance-content-data
…ase name, allow only characters that are safe on your filesystem, and refuse names that begin with `-` or `.`. Unlike the file content endpoint, the artifact content endpoint returns a JSON object. P…