Rate Limiting Isn't Optional Here How to Actually Implement It in Node.js

<p>Two months ago I shipped UNPWNED, a passive web security scanner aimed at indie hackers and developers shipping AI-generated code (Cursor, Lovable, Bolt, Replit, v0).</p> <p>I

<h2> Problem Statement </h2> <p><strong>Rate limiting</strong> is a technique that controls how many requests a user or system can make to a server within a specific timeframe.

<p>Well I failed a amazon OA because of a rate limiting question, So I have built this rate limiter from first principles and haven't followed any tutorial. Through this blog, I

<p>Hey dev.to community! 👋</p> <p>I've been working on a side project for a while now and finally got it to a point where I feel comfortable sharing it publicly. It's called

<p>I review a lot of webhook handlers. Roughly <strong>3 out of 5 either have a subtle signature-verification bug</strong> — or someone disabled verification entirely "to make it

<blockquote> <p>Skip the theory rabbit holes. This is the caching knowledge that shows up in system design interviews, code reviews, and the 2 AM production incidents nobody

<p>While building <strong>iTicket.AZ</strong> — a real-time event ticketing platform — I came across a job posting from a major bank that listed <em>"building scalable, resilient,

<p>Anthropic shipped Opus 4.7 on April 16, 2026. Same $5/$25 pricing as 4.6. Same 1M context. Same 128K output ceiling. Different model entirely when you put it in an agentic