APIs power everything now — from SaaS dashboards to AI tools. And that also makes them one of the most attacked surfaces in modern systems. If your API is exposed to the internet, it will be tested — by bots, scrapers, or worse. The problem? Most developers implement API security like this: add JWT ✅ maybe add rate limiting ✅ ship it 🚀 But real-world API security doesn’t work like that. 👉 It’s not about tools. It’s about how those tools work together. 🧠 Think in Layers, Not Features A secure API is not a single mechanism. It’s a pipeline. Request → Authentication → Authorization → Rate Limiting → Business Logic → Monitoring If you skip or misplace any of these layers, you create gaps. And attackers look for gaps — not complexity. 🔑 1. Authentication (JWT Done Right) JWT is the default choice today — and for good reason: stateless scalable works across services But most JWT implementations are insecure by default.…