Build with the Claude API

What you'll learn

• ✦Explain what an LLM API is and how it differs from using a chat app
• ✦Construct a well-formed messages array with system, user, and assistant roles
• ✦Tune key parameters like max_tokens and temperature to control output
• ✦Build multi-turn conversations by sending the full message history
• ✦Stream responses, call tools, and request structured JSON output
• ✦Keep your API key secret and handle errors, rate limits, and costs responsibly
• ✦Use prompt caching and batch requests, and add vision and long-context inputs
• ✦Build a small agent loop and evaluate and ship an AI feature responsibly

Syllabus