A beginner's guide to Postman for API testing: building requests, pm.test() assertions, Collections and Environments, chaining requests, and running everything headless in CI/CD with Newman.
Swagger vs Postman explained — spec-first versus request-first, what each tool owns, the 10 differences that decide the workflow, and how to convert between them.
Postman vs Insomnia compared on workspace model, OpenAPI support, CLI, plugins, pricing and CI — and how to move a collection between them without losing the assertions.
Bruno vs Postman compared on storage model, git workflow, offline use, CLI, pricing and CI — with the migration path in both directions and the question neither tool answers.
A k6 quick-start for API load testing: virtual users, check() and thresholds, staged ramp-up, POST requests, and running k6 in CI/CD with a non-zero exit code on threshold breach — with working scripts.
The 10 best public and dummy APIs for testing in 2026 — fake CRUD data, HTTP behavior simulation, real production-grade APIs, and one built specifically for test-automation practice.
A JMeter tutorial for API load testing: building a Test Plan with Thread Groups and HTTP Samplers, JSON Assertions, CSV-driven parametrization, and running it headless in CI/CD — with the exact commands and settings.
The 8 best WebSocket testing tools in 2026 — CLI clients, GUI tools, browser-integrated monitoring, and load testing — and what's actually different about testing a persistent connection vs a single request.
A complete guide to API testing with Playwright: the request fixture, ajv schema validation, parametrized tests, custom auth fixtures, and a GitHub Actions pipeline — with working TypeScript for every example.
