Easy Learn
What Is OpenAPI / Swagger? A complete, beginner-to-production walkthrough of the specification that lets machines and humans understand your REST API — what it is, why it exists, how it works internally, and how companies like Netflix, Stripe, Spotify, GitHub and Twilio use it at scale. 01 · Intro &…
What Is gRPC? A ground-up explanation of the high-performance RPC framework powering Google, Netflix, Square, Docker and thousands of microservice fleets — from “what problem does this actually solve” all the way through to production hardening, security, observability and real-world adoption patterns. 01 · Intro & History02 · Problem03 ·…
Synchronous vs Event-Driven Integration A beginner-to-production walkthrough of how services talk to each other — why some calls wait for an answer while others fire and move on, and how to choose the right style for your architecture. 01 · Intro & History 02 · Problem 03 · Core Concepts…
Synchronous vs Event-Driven Integration A beginner-to-production walkthrough of how services actually talk to each other — why some calls wait for an answer while others fire and move on, when to reach for each style, and how companies like Netflix, Amazon, Uber, and Google mix both patterns in the systems…
API Composition A deep, beginner-friendly walkthrough of the API Composition pattern — why microservices need it, how it works under the hood, and how companies like Netflix, Amazon, Uber, and Google use it at scale. 01 · Intro & History02 · Problem03 · Core Concepts04 · Architecture05 · Internals06 ·…
What Is a Breaking Change in an API? A complete, beginner-to-production guide to understanding, detecting, preventing, and managing breaking changes in APIs — with real Java/Spring Boot examples, diagrams, and lessons from companies like Stripe, GitHub, and AWS. 01 · Introduction02 · The Problem03 · Core Concepts04 · Architecture05 ·…
What Is Webhook-Based Integration? A complete, beginner-to-advanced guide to how systems talk to each other in real time — with history, architecture, internal mechanics, Java code, production concerns, and hard-won lessons from Stripe, GitHub, Shopify, Slack, Twilio and Zapier. 01 · Intro & History02 · The Problem03 · Core Concepts04…
A complete beginner-to-production guide explaining what an Enterprise Service Bus (ESB) actually is, why it dominated enterprise integration architecture in the 2000s, and why so many organisations – from lean startups to Netflix, Amazon, and Uber – have moved away from heavy, centralised ESBs toward lightweight, decentralised integration patterns based…
A complete, beginner-to-production guide to GraphQL: what it is, why Facebook built it, and how modern engineering teams use it to give clients exactly the data they need in a single request from a single endpoint. Traces the history from Facebook’s 2012 internal News Feed prototype, through the 2015 open-source…
“What is a key benefit of GraphQL over REST?” is one of the most-asked web-API interview and architecture-review questions of the last decade, and this complete guide answers it end-to-end. The short answer: GraphQL lets clients ask for exactly the data they need — in a single request — instead…