Guides
10 Best API Mocking & Service Virtualization Tools (2026)
The 10 best API mocking and service virtualization tools in 2026, compared across spec-driven, standalone stub server, and enterprise virtualization categories.
13 min readSmeet Gohel
Smeet Gohel
Software Engineer at Total Shift Left
Smeet is a Software Engineer at Total Shift Left specialising in building scalable software systems with Flutter and Node.js. He has deep hands-on experience implementing API integrations that enable efficient data retrieval and utilisation within enterprise applications. At Total Shift Left, Smeet helps customers implement scalable API automation — from initial integration design through production-grade test pipelines — and writes about the practical engineering patterns that make API automation work at scale.
Articles by Smeet Gohel (30)
GuidesKarate Framework Tutorial: API Testing with Gherkin (2026)
A Karate framework tutorial for API testing: Gherkin .feature files with no step-definition code, built-in match assertions, Scenario Outline data-driven tests, and running the suite in CI/CD with Maven.
13 min readSmeet Gohel
ComparisonsREST vs GraphQL vs gRPC: How Testing Differs (2026)
How testing changes between REST, GraphQL and gRPC — contract format, error semantics, security surface and tooling — with the same check written three ways.
13 min readSmeet Gohel
ComparisonsPact vs Postman for Contract Testing: What Each Can Prove (2026)
Pact vs Postman for contract testing — what consumer-driven contracts prove that schema assertions cannot, where Postman is genuinely enough, and how to run both.
13 min readSmeet Gohel
ComparisonsREST Assured vs Karate: Which Java API Test Framework (2026)
REST Assured vs Karate compared on language, learning curve, parallelism, mocking, reporting and CI — with the same test written in both.
13 min readSmeet Gohel
ComparisonsSwagger vs Postman: 10 Differences That Actually Matter (2026)
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.
14 min readSmeet Gohel
GuidesPlaywright API Testing: Complete Guide (2026)
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.
13 min readSmeet Gohel
API TestingAPI Mocking for Parallel Development: A Practical Guide (2026)
API mocking lets frontend, backend, and integration teams build against an API before it exists. Here is how dynamic mock servers unblock parallel development — and where mocking ends and contract testing begins.
13 min readSmeet Gohel
CI/CDAPI Testing in GitHub Actions: Complete Workflow Guide (2026)
Automate API testing in GitHub Actions with reusable workflows, quality gates, and PR status checks. Step-by-step guide from workflow YAML to production deployment gates.
19 min readSmeet Gohel