Rails API Mode — Building JSON APIs for AI-Powered Apps
ruby
dev.to
You're building an AI-powered app. Your frontend is React, Vue, or a mobile client. You need Rails to serve JSON, not HTML. Welcome to Rails API mode. Lean, fast, and exactly what you need for AI backends. What Is API Mode? Rails API mode strips out what you don't need (sessions, cookies, views) and keeps what you do (routing, models, JSON serialization). The result is a lighter app that boots faster and uses less memory. Create a new API-only app: rails new my_api --api --datab