Java Tech Workshop

Apr 16, 2026 · Backend Development

Implementing API Rate Limiting in Spring Boot with AOP

This tutorial walks through why API rate limiting is a critical first line of defense for backend services, compares fixed‑window and sliding‑window strategies, and shows how to create a custom @RateLimit annotation, utility classes, an AOP aspect, Redis or local storage, and unified exception handling, providing complete code and test scenarios for Spring Boot 2.7.x.