Anthropic Install & Auth

Overview

Set up the official Anthropic SDK for Python or TypeScript and configure API key authentication. The SDK wraps the Claude Messages API at https://api.anthropic.com/v1/messages.

Prerequisites

• Node.js 18+ or Python 3.8+
• Package manager (npm, pnpm, yarn, or pip)
• Anthropic account with API access at console.anthropic.com
• API key from Console > API Keys

Instructions

Step 1: Install SDK

# Python
pip install anthropic