The Qodex blog
Articles and guides on API testing, QA automation, and CI.
API Testing: Types, Strategies & Best Practices (2026)
Master API testing with this complete guide. Learn testing types, strategies, security checks, and tool picks to ship reliable APIs.
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How To Build A Good Test Infrastructure?
Build a strong test infrastructure for efficient and reliable testing processes. Define clear objectives, choose the right tools, and integrate...

What is Web Application testing?
Everything you need to know about web application testing, types, tools, checklist, and best practices to ensure your web app works flawlessly.

Understanding Payload: What It Is and How It Impacts Your Business
What a payload means in APIs and programming, request vs response payloads, JSON/XML formats, size limits, and real-world examples explained.

What is an API Endpoint?
What is an API endpoint? Clear definition with REST and GraphQL examples, URL structure breakdown, authentication patterns, and endpoint testing tips.

Understanding API Authentication: A Complete Guide
Unlock the power of API Authentication with our comprehensive guide. Learn about various methods and best practices for secure access control.

Advanced REST API Interview Questions for Developers
Ace your next interview with advanced REST API questions on JWT auth, pagination, rate limiting, SOAP vs REST, and Java implementation examples.

10 Advanced REST API Interview Questions for Developers
Looking for REST API interview questions? Learn about RESTful web services, HTTP methods, status codes, and more in this comprehensive guide.

JWT Explained: Structure, Security & Best Practices
What is a JWT? Learn how JSON Web Tokens work, their 3-part structure, security best practices, and refresh token strategies with real code examples.

API Authentication Best Practices for Security
Secure your APIs with 10 proven authentication practices: OAuth 2.0, JWT, API keys, HTTPS, and role-based access control with implementation tips.

Top API Security Vulnerabilities (2026) & Fixes
Top API vulnerabilities like BOLA, mass assignment, and SSRF. Includes real breaches, fixes, and CI/CD security practices.

What is OpenID Connect?
Unlock the power of OpenID Connect! Learn how OIDC simplifies online logins, enhances security, and provides seamless user experiences.

API Encryption: TLS 1.3, mTLS & Best Practices
Secure your APIs with TLS 1.3, mTLS, and AES-256 encryption. Covers key rotation, cipher suite selection, and CI/CD hardening recipes.