Backend & APIs

Designing and running server-side systems — REST and GraphQL APIs, data modeling, authentication, and reliable request handling.

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Backend & APIs How CAPTCHA-Solving APIs Work — and How to Wire One Into Your App

A CAPTCHA-solving API turns an unfakeable challenge token into an async job your code can orchestrate. Here's...

Jun 23, 2026

Backend & APIs Database Connection Pool Exhaustion: Why Your App Stalls Under Load and How to Fix It

Why database connection pools run dry under load, why adding app servers makes it worse, and how to size pools...

Jun 23, 2026

Backend & APIs REST API Design: A Practical Guide for Building APIs That Last

A pragmatic, vendor-neutral guide to designing REST APIs developers actually enjoy using — resources, status c...

Jun 18, 2026