446 pages for started.

Messages Claude Developer Platform · in the page api/messages …sages API in our [user guide](https://platform.claude.com/docs/en/get-started?sdk_languages=http) ### Headers - `"anthropic-version": optional string` The version of the Claude API you want to us… Batches Claude Developer Platform · in the page api/messages/batches …9f\u2028\u2029]*$ - `BrowserStateChangeDownloadStarted object` A file download that started during this call. - `type: "downloa… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …9f\u2028\u2029]*$ - `BrowserStateChangeDownloadStarted object` A file download that started during this call. - `type: "downloa… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …f-\x9f\u2028\u2029]*$ - `BrowserStateChangeDownloadStarted object` A file download that started during this call. - `type: "download_starte… Create a Message Claude Developer Platform · in the page api/messages/create …sages API in our [user guide](https://platform.claude.com/docs/en/get-started?sdk_languages=http) ## Headers - `"anthropic-version": optional string` The version of the Claude API you want to use… spans Claude Developer Platform · in the page api/opentelemetry/spans …s. * **Kind:** `INTERNAL`. * **Parent:** It depends on why the turn started: * The [`anthropic.sessions.create`](https://platform.claude.com/docs/en/api/opentelemetry/spans#anthropic-sessions-cre… Organization Claude Developer Platform · in the page api/organization …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… Federation Claude Developer Platform · in the page api/organization/federation …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… Issuers Claude Developer Platform · in the page api/organization/federation/issuers …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… Archive Federation Issuer Claude Developer Platform · in the page api/organization/federation/issuers/archive …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… Create Federation Issuer Claude Developer Platform · in the page api/organization/federation/issuers/create …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… List Federation Issuers Claude Developer Platform · in the page api/organization/federation/issuers/list …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… Get Federation Issuer Claude Developer Platform · in the page api/organization/federation/issuers/retrieve …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… Update Federation Issuer Claude Developer Platform · in the page api/organization/federation/issuers/update …g), or when poll status is temporarily unavailable or polling has not started yet. - `consecutive_failures: number` Consecutive fetch failures since the last success. - `last_fetched_… overview Claude Developer Platform · in the page api/overview …<Note> **New to Claude?** For direct model access, start with [Get started](https://platform.claude.com/docs/en/get-started) and [Working with Messages](https://platform.claude.com/docs/en/build-wi… claude-in-amazon-bedrock Claude Developer Platform · in the page build-with-claude/claude-in-amazon-bedrock …he [AWS CLI](https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html) installed and configured (optional, for credential management) Claude Mythos Preview additionally requires… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …Enter the email address of your organization's owner and click **Get started**. 2. Check that email inbox for a setup link and follow it. If your browser shows a **Signed in as a different accoun… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …case "compaction": print("Compaction started...") case "text": print("Text response started...") case "c… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …case "compaction": print("Compaction started...") case "text": print("Text response started...") case "c… This will automatically use the environment variable VOYAGE_API_KEY. Claude Developer Platform · in the page build-with-claude/embeddings ….com/docs/voyageai/models/) in the MongoDB documentation. ## Getting started with Voyage AI To access Voyage AI models, create a model API key in MongoDB Atlas: 1. Sign up for a MongoDB Atlas accou… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …ames the `code_execution` block that called it. That code has already started: it is paused waiting for your `tool_result` blocks, and sending them resumes the execution instead of starting a deferred… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …if block.input.get("restart") is True: return "Shell restarted.", False command = block.input.get("command") if not isinstance(command, str) or not command: return… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …="file" href="https://platform.claude.com/cookbook/multimodal-getting-started-with-vision"> Explore practical examples of PDF processing in the Claude Cookbook recipe. </Card> <Card title="Vi… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …est is unambiguous. *** ## Prompt caching examples To help you get started with prompt caching, the [prompt caching recipe](https://platform.claude.com/cookbook/misc-prompt-caching) in the Claude C… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …"failing" }, { "id": 3, "name": "api_endpoints", "status": "not_started" } ], "total": 200, "passing": 150, "failing": 25, "not_started": 25 } ``` ```text wrap // Pr… prompting-claude-opus-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5-5 …one is blocked, say what is blocking it. ``` If something the model started is still running, such as a background command or a subagent, don't treat the task as done yet: wait for it to finish and… prompting-claude-sonnet-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5 …ssion cost by about a third, with no change in quality. It makes self-started review rounds by the main agent less frequent but doesn't remove them entirely. **Open-ended requests.** When a request i… search-results Claude Developer Platform · in the page build-with-claude/search-results …https://docs.company.com/quickstart", "title": "Getting Started Guide", "content": [ { "type": "text", "text": "To get s… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …on). </Note> ## Quick links <CardGroup cols={2}> <Card title="Get started with Agent Skills in the API" icon="rocket" href="https://platform.claude.com/docs/en/agents-and-tools/agent-skills/quicks… thinking-steering-and-cost Claude Developer Platform · in the page build-with-claude/thinking-steering-and-cost …hinking are valid history as-is. * You can resume a conversation that started without thinking, or that used a different thinking configuration, without rewriting its history. * History assembled from… vision Claude Developer Platform · in the page build-with-claude/vision …"image" href="https://platform.claude.com/cookbook/multimodal-getting-started-with-vision"> Get tips and best-practice techniques for tasks such as interpreting charts and extracting content from… openai-sdk Claude Developer Platform · in the page cli-sdks-libraries/libraries/openai-sdk …https://platform.claude.com/docs/en/api/overview). </Tip> ## Getting started with the OpenAI SDK To use the OpenAI SDK compatibility feature, you need to: 1. Use an official OpenAI SDK. 2. Change… get-api-key Claude Developer Platform · in the page get-api-key …uest, follow the [Quickstart](https://platform.claude.com/docs/en/get-started), and see [Authentication](https://platform.claude.com/docs/en/manage-claude/authentication) for complete details, includi… home Claude Developer Platform · in the page home …meQuickChip icon="Play" href="https://platform.claude.com/docs/en/get-started"> Quickstart </HomeQuickChip> <HomeQuickChip icon="Key" href="https://platform.claude.com/settings/keys">… intro Claude Developer Platform · in the page intro …. [Go to the quickstart](https://platform.claude.com/docs/en/get-started) </Step> <Step title="Secure your credentials"> Set an expiration when you create your API key. Keep the key out… access-transparency Claude Developer Platform · in the page manage-claude/access-transparency …on#zero-data-retention-zdr-scope) for additional details. ## Getting started To enable Access Transparency: <Steps> <Step title="Request Access Transparency"> Contact your Anthropic account r… access-transparency-log Claude Developer Platform · in the page manage-claude/access-transparency-log …log is consistent today" into "the log has been consistent since you started watching." ## Timing * **Events:** Access Transparency events appear on your Activity Feed within 2 business days of the… analytics-api Claude Developer Platform · in the page manage-claude/analytics-api …days. For example, the window might cover days before and after they started using Chat and Cowork unified. When you filter user activity by project, each day's project activity is counted in one pl… api-and-data-retention Claude Developer Platform · in the page manage-claude/api-and-data-retention …blocked are accepted but remain outside HIPAA readiness. ### Getting started with HIPAA readiness There are two ways to set up HIPAA-ready API access. Most organizations can enable it directly in th… authentication Claude Developer Platform · in the page manage-claude/authentication …grant the same access to Claude API endpoints. Choose API keys to get started quickly: a personal key for your own development, or a service account key for anything shared. Move to Workload Identity… cmek Claude Developer Platform · in the page manage-claude/cmek …n the web and Claude in Slack are unavailable: new sessions cannot be started and Claude in Slack declines requests, even if an admin turns these products on. Claude Code Desktop remains available for… cmek-coverage-claude-enterprise Claude Developer Platform · in the page manage-claude/cmek-coverage-claude-enterprise …| Off. New sessions can't be started, even if an admin turns the product on.… compliance-api Claude Developer Platform · in the page manage-claude/compliance-api …and Claude in Chrome. They also return transcripts of Cowork sessions started on claude.ai web or mobile, which run in the cloud in Anthropic-managed environments (remote sessions). A standalone Claud… WARNING: This operation PERMANENTLY deletes the chat, all of its messages, Claude Developer Platform · in the page manage-claude/compliance-content-data …e/apps/chats/delete) also deletes the sessions in the cloud that were started for the chat. It does not delete sessions that those sessions started. All four endpoints require the `delete:compliance_… compliance-faq Claude Developer Platform · in the page manage-claude/compliance-faq …-claude/compliance-sessions#retrieve-local-sessions). Cowork sessions started on claude.ai web or mobile, which run in the cloud in Anthropic-managed environments, are available through the [remote se… compliance-org-data Claude Developer Platform · in the page manage-claude/compliance-org-data …session objects (agent-owned remote sessions carry the human's ID in `started_by_user.id` instead). To get a member's full name, look it up through the organization users list. ## Get effective organ… compliance-sessions Claude Developer Platform · in the page manage-claude/compliance-sessions …| | Cowork sessions started on claude.ai web or mobile, running in the cloud in Anthropic-managed environments | Remote… inference-hooks Claude Developer Platform · in the page manage-claude/inference-hooks …s [smart reports](https://support.claude.com/en/articles/16893491-get-started-with-smart-reports). What a user types or uploads when creating a report is governed. *** ## Inference hooks versus the… opentelemetry Claude Developer Platform · in the page manage-claude/opentelemetry …the conventions can recognize the spans without extra setup. ## Get started You can set up SDK tracing, API tracing, or both. Set up both to see a request's SDK and API spans in one trace, as in th… api Claude Developer Platform · in the page manage-claude/opentelemetry/api …that workspace. To start a session, you can follow the steps in [Get started with Claude Managed Agents](https://platform.claude.com/docs/en/managed-agents/quickstart). 2. In the Console, on the [Ope…