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All Topics API Testing

API Testing

REST API testing with Postman, REST Assured and more

18 Articles
18 Beginner
Beginner 📅 Jul 18, 2026 👁 59 views

Postman Newman CI/CD Practice: Collection Runner, Newman CI/CD, Mock & Contract

Postman Newman CI/CD Execution — Collection Runner suites, Newman HTML reports in Jenkins CI, mock servers, Swagger contract validation.

Beginner 📅 Jul 18, 2026 👁 33 views

Practice Postman API Chaining, Negative/Security & Data-Driven Testing

Practice postman api chaining(login→create→update→delete), negative and security testing and CSV data-driven runs in the Collection Run

Beginner 📅 Jul 18, 2026 👁 26 views

Postman Practice: Assertions, Validations & the Tests Tab (JavaScript)

Practice Postman validations — the Tests tab with Chai/JavaScript, status and response-time checks, nested JSON, schema, arrays, pagination, and error validation.

Beginner 📅 Jul 18, 2026 👁 22 views

Postman Practice: Authentication, Token Handling & Environments

Practice Postman auth — generate and extract tokens with pm.environment.set(), pass tokens in headers, handle invalid/expired tokens, and switch DEV→QA environments.

Beginner 📅 Jul 18, 2026 👁 16 views

Postman Practice: Project Setup, API Understanding & HTTP Methods

Practice Postman fundamentals — API analysis, workspace/collection setup, GET/POST/PUT/PATCH/DELETE with 405 handling, and request data (params, headers, payloads).

Beginner 📅 Jul 18, 2026 👁 21 views

Complete Postman API Testing Roadmap: 16 Modules & 5 Demo APIs

A complete Postman API testing roadmap — 16 syllabus modules, a company-style RESTful Booker project, and 5 demo APIs, from fundamentals to Newman CI/CD and intervie

Beginner 📅 Jul 10, 2026 👁 19 views

Project & Scenario-Based API Testing Questions (Sample Answers)

Real project and scenario API testing questions — a STAR project answer, handling response inconsistencies, testing without a frontend, and third-party APIs.

Beginner 📅 Jul 10, 2026 👁 22 views

API Testing in CI/CD: Newman, Jenkins & Debugging in Postman

Learn API testing in CI/CD — running Postman tests with Newman, integrating with Jenkins, generating reports, and debugging Postman scripts.

Beginner 📅 Jul 10, 2026 👁 32 views

API Performance & Load Testing: Response Time, Load & Stress

Learn API performance testing — response-time checks, load testing, stress testing, and tools like JMeter and Postman — for reliable, scalable APIs.

Beginner 📅 Jul 10, 2026 👁 22 views

API Security Testing: Auth, Encryption & Vulnerabilities

Learn API security testing — validating authentication and authorization, data encryption, and common vulnerabilities like SQL injection, XSS, and CSRF.

Beginner 📅 Jul 10, 2026 👁 22 views

Advanced API Testing: Pagination, GraphQL, SOAP & Mock Servers

Advanced API testing in Postman — handling pagination, GraphQL, SOAP APIs, REST vs GraphQL, and creating mock servers — with practical steps.

Beginner 📅 Jul 10, 2026 👁 25 views

Postman Scripting: Pre-request & Test Scripts, Assertions & Chaining

Learn Postman scripting — pre-request scripts, test scripts, JavaScript assertions with Chai (pm.test/pm.expect), extracting values, and chaining requests.

Beginner 📅 Jul 10, 2026 👁 26 views

Postman Variables and Collections

Learn Postman essentials — environments, global/collection/dynamic variables, creating collections, running them with Collection Runner and Newman.

Beginner 📅 Jul 10, 2026 👁 45 views

API Authentication: Basic, API Key, OAuth 2.0 & JWT Explained

Learn API authentication — Basic Auth, API Keys, OAuth 2.0, and JWT — plus authentication vs authorization and how to test them in Postman.

Beginner 📅 Jul 10, 2026 👁 29 views

API Data Formats: JSON, XML & JSON Schema Explained

Learn API data formats — JSON and why it’s used, XML in API responses, JSON vs XML, and JSON vs JSON Schema — with testing tips for Postman.

Beginner 📅 Jul 10, 2026 👁 28 views

API Requests & Responses: Headers, Body, Parameters

Learn HTTP request and response structure — endpoints, headers, request/response body, and query vs path parameters — for API testing.

Beginner 📅 Jul 10, 2026 👁 33 views

HTTP Methods & Status Codes in API Testing (GET, POST, PUT, PATCH)

Learn HTTP methods and status codes (GET, POST, PUT, PATCH, DELETE), PUT vs PATCH, idempotency, status codes, and HTTP vs HTTPS for API testing.

Beginner 📅 Jul 10, 2026 👁 62 views

API Testing Fundamentals: APIs, Types & Testing Types Explained

Learn API testing fundamentals — what an API is, types of APIs (REST, SOAP, GraphQL, gRPC), types of API testing, and why Postman is used — with examples.