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    First steps

    Intro to ClaudeQuickstart

    Models & pricing

    Models overviewChoosing a modelWhat's new in Claude 4.5Migrating to Claude 4.5Model deprecationsPricing

    Build with Claude

    Features overviewUsing the Messages APIContext windowsPrompting best practices

    Capabilities

    Prompt cachingContext editingExtended thinkingStreaming MessagesBatch processingCitationsMultilingual supportToken countingEmbeddingsVisionPDF supportFiles APISearch resultsGoogle Sheets add-on

    Tools

    OverviewHow to implement tool useToken-efficient tool useFine-grained tool streamingBash toolCode execution toolComputer use toolText editor toolWeb fetch toolWeb search toolMemory tool

    Agent Skills

    OverviewQuickstartBest practicesUsing Skills with the API

    Agent SDK

    OverviewTypeScript SDKPython SDK

    Guides

    Streaming InputHandling PermissionsSession ManagementHosting the Agent SDKModifying system promptsMCP in the SDKCustom ToolsSubagents in the SDKSlash Commands in the SDKAgent Skills in the SDKTracking Costs and UsageTodo ListsPlugins in the SDK

    MCP in the API

    MCP connectorRemote MCP servers

    Claude on 3rd-party platforms

    Amazon BedrockVertex AI

    Prompt engineering

    OverviewPrompt generatorUse prompt templatesPrompt improverBe clear and directUse examples (multishot prompting)Let Claude think (CoT)Use XML tagsGive Claude a role (system prompts)Prefill Claude's responseChain complex promptsLong context tipsExtended thinking tips

    Test & evaluate

    Define success criteriaDevelop test casesUsing the Evaluation ToolReducing latency

    Strengthen guardrails

    Reduce hallucinationsIncrease output consistencyMitigate jailbreaksStreaming refusalsReduce prompt leakKeep Claude in character

    Administration and monitoring

    Admin API overviewUsage and Cost APIClaude Code Analytics API
    Console
    Build with Claude

    Learn how to get started with the Claude Developer Platform and Claude Code.

    Ask Claude about docs...
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    Claude Developer Platform

    Get started

    Make your first API call in minutes.

    Features overview

    Explore the advanced features and capabilities now available in Claude.

    What's new in Claude 4.5

    Discover the latest advancements in Claude 4.5 models, including Sonnet 4.5 and Haiku 4.5.

    API reference

    Integrate and scale using our API and SDKs.

    Claude Console

    Craft and test powerful prompts directly in your browser.

    Release notes

    Learn about changes and new features in the Claude Developer Platform.

    Claude Code

    Claude Code quickstart

    Get started with Claude Code.

    Claude Code reference

    Consult the Claude Code reference documentation for details on feature implementation and configuration.

    Claude Code changelog

    Learn about changes and new features in Claude Code.

    Learning resources

    Anthropic Courses

    Explore Anthropic's educational courses and projects.

    Claude Cookbook

    See replicable code samples and implementations.

    Claude Quickstarts

    Deployable applications built with our API.

    © 2025 ANTHROPIC PBC

    Products

    • Claude
    • Claude Code
    • Max plan
    • Team plan
    • Enterprise plan
    • Download app
    • Pricing
    • Log in

    Features

    • Claude and Slack
    • Claude in Excel

    Models

    • Opus
    • Sonnet
    • Haiku

    Solutions

    • AI agents
    • Code modernization
    • Coding
    • Customer support
    • Education
    • Financial services
    • Government
    • Life sciences

    Claude Developer Platform

    • Overview
    • Developer docs
    • Pricing
    • Amazon Bedrock
    • Google Cloud’s Vertex AI
    • Console login

    Learn

    • Blog
    • Catalog
    • Courses
    • Use cases
    • Connectors
    • Customer stories
    • Engineering at Anthropic
    • Events
    • Powered by Claude
    • Service partners
    • Startups program

    Company

    • Anthropic
    • Careers
    • Economic Futures
    • Research
    • News
    • Responsible Scaling Policy
    • Security and compliance
    • Transparency

    Help and security

    • Availability
    • Status
    • Support center

    Terms and policies

    • Privacy policy
    • Responsible disclosure policy
    • Terms of service: Commercial
    • Terms of service: Consumer
    • Usage policy

    Products

    • Claude
    • Claude Code
    • Max plan
    • Team plan
    • Enterprise plan
    • Download app
    • Pricing
    • Log in

    Features

    • Claude and Slack
    • Claude in Excel

    Models

    • Opus
    • Sonnet
    • Haiku

    Solutions

    • AI agents
    • Code modernization
    • Coding
    • Customer support
    • Education
    • Financial services
    • Government
    • Life sciences

    Claude Developer Platform

    • Overview
    • Developer docs
    • Pricing
    • Amazon Bedrock
    • Google Cloud’s Vertex AI
    • Console login

    Learn

    • Blog
    • Catalog
    • Courses
    • Use cases
    • Connectors
    • Customer stories
    • Engineering at Anthropic
    • Events
    • Powered by Claude
    • Service partners
    • Startups program

    Company

    • Anthropic
    • Careers
    • Economic Futures
    • Research
    • News
    • Responsible Scaling Policy
    • Security and compliance
    • Transparency

    Help and security

    • Availability
    • Status
    • Support center

    Terms and policies

    • Privacy policy
    • Responsible disclosure policy
    • Terms of service: Commercial
    • Terms of service: Consumer
    • Usage policy
    © 2025 ANTHROPIC PBC