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Intro

Rale4j (Rate Limiting Enhancement for Java Devs) is a powerful, lightweight, and configurable rate-limiting library for Spring Boot applications.

🔥 Why Use Rale4j?​

✅ Simple Annotations – Just use @Rale4j to control API access.
✅ Flexible Configuration – Customize limits via application.properties or Java configurations.
✅ In-Memory & Redis Support – Choose between Guava Cache (in-memory) or Redis for distributed rate limiting.
✅ High Performance – Uses efficient algorithms like Token Bucket, Sliding Window, and Leaky Bucket.
✅ Observability – Integrates with Prometheus & Grafana for monitoring.

📦 Installation​

Maven​

Add this dependency to your pom.xml:

<dependency>
    <groupId>com.rale4j</groupId>
    <artifactId>rale4j-core</artifactId>
    <version>1.0.0</version>
</dependency>

Gradle (Kotlin DSL)

implementation("com.rale4j:rale4j-core:1.0.0")

Gradle (Groovy DSL)

implementation group: 'com.rale4j', name: 'rale4j-core', version: '1.0.0'

⚙️ Getting Started​

Install Rale4j using the dependencies above. Configure Rate Limits in application.properties (or application.yml). Use the @Rale4j Annotation to enforce limits.