Getting Started with Claude 5: Tutorial for Developers
Complete tutorial for developers: set up Claude 5 API, make your first calls, implement advanced features, and build production applications.
TL;DR
Getting started with Claude 5 requires: create Anthropic account, generate API key, install SDK (pip install anthropic or npm install @anthropic-ai/sdk). Claude 5's 200K context and 49.2% SWE-bench make it ideal for complex development. Most developers integrate within an hour.
Setup Steps
- Create account at console.anthropic.com
- Generate API key (store securely)
- Install SDK (Python or JavaScript)
- Make first API call
Basic API Usage
Initialize client with API key, create messages with model="claude-5-sonnet-20260201", specify max_tokens, and provide user messages. Response includes content, usage tokens, and stop reason.
Advanced Features
- System prompts for behavior control
- Streaming for better UX
- Multi-turn conversations
- Vision capabilities for image analysis
- Error handling and retries
Production Tips
Implement proper error handling, rate limiting, token counting, and monitoring. Cache common responses to reduce costs.
Conclusion
Claude 5 API provides exceptional development experience with superior code quality and reasonable pricing.