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    First steps

    Get started with Claude

    Make your first API call to Claude and build a simple web search assistant.

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    • Prerequisites
    • Call the API
    • Next steps

    Prerequisites

    • An Anthropic Console account
    • An API key

    Call the API

    Next steps

    You made your first API call. Next, learn the Messages API patterns you'll use in every Claude integration.

    Working with the Messages API

    Learn multi-turn conversations, system prompts, stop reasons, and other core patterns.

    Once you're comfortable with the basics, explore further:

    Models overview

    Compare Claude models by capability and cost.

    Features overview

    Browse all Claude capabilities: tools, context management, structured outputs, and more.

    Client SDKs

    Reference documentation for Python, TypeScript, Java, and other client libraries.