Claude API Getting Started

Stand up your first Claude API call. Learn account setup, API keys and key hygiene, the /v1/messages endpoint, the canonical request shape (model, max_tokens, messages, system), and the Hello-World pattern in both Python (anthropic SDK) and TypeScript (@anthropic-ai/sdk). Also: the difference between the Anthropic API direct, AWS Bedrock, and Google Vertex AI access paths.

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Lessons in This Topic

Work through these 6 lessons in order, or jump to whichever is most relevant.

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Getting Started Overview

Advanced
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Account & API Keys

Advanced
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The Messages Endpoint

Advanced
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Hello World in Python

Advanced
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Hello World in TypeScript

Advanced
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Direct API vs Bedrock vs Vertex

Advanced