# API Evangelist — Rules > Machine-readable API governance rules (Spectral/OpenAPI format) covering security, design, documentation, and standards compliance. Part of the API Evangelist network (apievangelist.com) — 16 years of independent research on the technology, business, policies, and people of HTTP APIs by Kin Lane. ## This Site - [Home](https://rules.apievangelist.com): Browse all rules content - [API Evangelist Network](https://apievangelist.com/llms.txt): Full network llms.txt with all sites and MCP server ## Ask & Connect - [Ask Kin](https://apievangelist.com/): AI assistant trained on API Evangelist content ## Optional - [Sitemap](https://rules.apievangelist.com/sitemap.xml): Full sitemap