API Testing
Top 35 API Testing Interview Questions and Answers
API testing has become one of the most critical skills in modern software quality engineering.
API Testing
API testing guides — test REST and GraphQL APIs, write contract tests, and automate API validation.
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API Testing
Mocking APIs with Prism from OpenAPI Specs for Frontend Testing
Frontend development has a classic blocking problem: the backend isn't ready. You're building a checkout flow, but the payments API returns a 500.
API Testing
Property-Based Testing of REST APIs from OpenAPI Specs with Schemathesis
You can't write a test for every possible input. A string field accepts billions of values. A numeric parameter has edge cases you haven't considered.
API Testing
Generating Typed Test Clients from OpenAPI Specs (TypeScript, Python)
Writing API tests by hand means writing a lot of boilerplate: constructing URLs, setting headers, serializing request bodies, parsing responses.
API Testing
Dredd vs Schemathesis: Comparing API Contract Testing Tools
Both Dredd and Schemathesis test whether your API implementation matches its spec.
API Testing
Linting OpenAPI Specs with Spectral Custom Rules
API contracts are promises. Your OpenAPI specification says "this endpoint returns a userId field of type string." Every consumer of your API — mobile apps, partner integrations, frontend teams — builds against that promise. When the promise breaks silently, you get production incidents, not compiler errors. Spectral is a linter
API Testing
API Design-First Testing Workflow: Spec → Mock → Implement → Test
Most teams write code first, then document it. The API exists; you write the OpenAPI spec to describe what you built.
Testing
Stress Testing REST APIs with Locust: A Practical Guide
Locust is a Python-based load testing tool with a simple, expressive API.
Testing
SaaS API Testing Strategies: Rate Limits, Versioning, and Multi-Tenant Auth
A well-tested SaaS API is one of the strongest competitive advantages a product can have.
Testing
API Security Testing: A Comprehensive Guide for Developers
APIs are the backbone of modern applications. They are also the primary attack surface.
Testing
REST Client and .http Files: API Testing Directly in VS Code
Every development team has some informal way of documenting API calls. Slack messages with curl commands.
Testing
Hurl: The Command-Line HTTP Testing Tool Every API Developer Needs
API testing has a tooling problem. Postman collections balloon into unmaintainable JSON blobs. Custom shell scripts with curl become brittle and unreadable.