How to Implement API Rate Limiting in a NodeJS Express Application
What is Rate Limiting? Rate Limiting is a "protection shield" that you place between incoming requests and your controller logic. It helps prevent abuse, brute-force attacks, and traffic spikes by controlling how frequently clients can hit your API. Rate limiting is a technique used to control the number of requests a client can make to a server within a specific time frame. It prevents: DDoS attacks Brute-force login attempts API overuse by a single user Unintentional client bugs flooding your server In short, it's like a bouncer for your serve r fig1 . Rate-limit 🤔 Why Use Rate Limiting? Here’s why it matters: 🔒 Security : Blocks malicious actors trying to overload your endpoints. ⚖️ Fair Usage : Ensures no single user hogs the API. 💸 Cost Control : Reduces unnecessary server usage (especially important with cloud billing). 🧘 Stability : Maintains smooth performance under high traffic. ⚙️ Rate Limiting Algorithms ...