IoT Full-Stack Technology

Apr 22, 2026 · Backend Development

A Lightweight Spring Boot Starter for Anti‑Repeat Submissions and Rate Limiting – Now on Maven Central

Guardian is a lightweight Spring Boot starter that provides both anti‑repeat‑submission protection and API rate limiting; it supports annotation and YAML configuration, flexible key scopes (user, IP, global), Redis or local storage, customizable response modes, white‑list handling, and built‑in observability, making it a drop‑in solution for single‑service projects.