Protocols
REST, GraphQL, SOAP, WebSockets — when to pick what, how to test each.
What is a REST API? The 2026 Definitive Guide
REST is the default API style on the web. Here's what it actually means — stripped of jargon and with runnable examples.
REST CRUD Explained: Create, Read, Update, Delete Walkthrough
CRUD is the heartbeat of REST. Create, Read, Update, Delete — walked through end to end.
PATCH vs PUT: The Difference That Trips Everyone
PUT replaces. PATCH modifies. Here's the subtle but critical difference — and why it matters for testing.
RESTful Best Practices: Conventions That Make APIs Predictable
Fifteen conventions that make REST APIs a joy to use — and the absence of any one is a smell.
What is GraphQL? A Practical Introduction for Testers
GraphQL lets the client decide what data to fetch. Here's how it works and when it beats REST.
GraphQL Queries vs Mutations: When and How to Use Each
Queries read. Mutations change state. Here's the divide — and how to write both correctly.
GraphQL Testing Guide: Patterns, Pitfalls, and What REST Testers Miss
GraphQL tests fail in ways REST tests never do. Here's what to cover and why.
What is SOAP? A Modern Tester's Guide to a Still-Alive Protocol
SOAP isn't dead — it runs banks, insurance, and government. Here's how it actually works.
WSDL Explained: The Contract Behind Every SOAP API
WSDL is the WSDL — Web Services Description Language. It's the source of truth for every SOAP API. Here's how to read it.
SOAP Testing Guide: Patterns That Actually Work in 2026
SOAP testing is different. XPath, XSDs, SOAP Faults. Here's how to do it without losing your weekends.
WebSockets Intro: Real-Time APIs and How to Test Them
WebSockets are persistent, full-duplex, and weirdly under-tested. Here's a practical guide.
REST vs GraphQL vs SOAP: A Practical Side-by-Side for 2026
The same operation in three protocols. Pick the right one for the job — and test it right.