How to Use Claude API with Python: Complete Beginner's Guide (2026)

The Anthropic Python SDK makes it simple to integrate Claude into your applications. In this guide you'll go from zero to a working chatbot in under 10 minutes — covering installation, your first API call, streaming, multi-turn conversations, and error handling. Prerequisites Python 3.8+ An Anthropic API key (console.anthropic.com) Basic Python knowledge Step 1: Install the SDK pip install anthropic That's the only dependency you need. The SDK includes everything: the client, streaming support,