How I Made $847/Month Letting GPT-4 Write Developer Docs While I Sleep
Most developers chase passive income by building SaaS tools or selling courses. But there's a quieter opportunity hiding in plain sight: automated API documentation generation for niche industries.
Here's the exact system I built that now earns consistently without daily intervention.
The Problem Worth Solving
Thousands of small API providers — payment processors for specific regions, logistics APIs for emerging markets, healthcare data aggregators — have terrible documentation. Their developer adoption suffers. They'll happily pay $200-500/month for clean, maintained docs.
