API

Real-time communication between server and client breaks the standard HTTP request-response model. When you need live updates — chat messages, stock prices, col…

JSON Web Tokens are everywhere — issued by every OAuth 2.0 provider, sent in every Authorization: Bearer header, decoded by every modern API. But most developer…

Authentication in modern apps spans three distinct models. Sessions store user state on the server and send a session ID in a cookie — simple and revocable, but…

Every public API needs rate limiting — to prevent abuse, protect downstream services, and ensure fair usage across tenants. Without it, one aggressive client ca…

Modern systems rarely pick one API style for everything. REST uses HTTP and JSON — simple, cache-friendly, and the default for public web APIs. GraphQL exposes …

Every REST API needs a way to verify who is calling it and what they are allowed to do. The method you choose shapes your security posture, client experience, a…

Microservices give teams independence — but independence without patterns leads to chaos. Six design patterns solve the most common problems: how clients reach …