Claude API from Scratch: Your First Working Call in 30 Minutes (2026) (opens in new tab)

This article was originally published on aicoderscope.com Most Claude API tutorials start in the middle. They assume you already have a key configured, a virtual environment ready, and a working .env file. If you hit a wall at step two, you're searching Stack Overflow for answers that aren't there. This guide starts at zero. By the end you'll have made a real API call, know exactly what every line of code does, and understand the five mistakes that waste 90% of beginners' first hour. Prerequi...