The Qodex blog
Articles and guides on API testing, QA automation, and CI.
What Is API Testing? Types, Examples & Best Practices
Learn API testing from first request to CI. See test types, a runnable example, automation, tools, best practices, and a checklist for reliable APIs.
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CSV vs JSON, Key Differences, Use Cases & When to Choose Each
CSV vs JSON compared: structure, performance, nested data support, and when to use each format. Includes quick-reference decision table.
GraphQL vs REST API: Key Differences, Performance & When to Use Each
GraphQL vs REST API compared, performance, flexibility, caching, and use cases. Learn which API architecture fits your project.
How to Convert JSON to CSV, Methods, Tools & Code Examples
How to convert JSON to CSV using free online tools, Python, JavaScript, and command-line methods. Step-by-step guide with code examples.
How to Decode Base64, Methods, Tools & Code Examples
How to decode Base64 strings using free online tools, Python, JavaScript, and command-line methods. Includes code examples and common use cases.
How to Set Up Uptime Alerts: A Step-by-Step Guide
Step-by-step guide to setting up uptime alerts — from choosing channels and escalation policies to reducing alert fatigue and automating incident...
IBAN vs Routing Number, Key Differences & When to Use Each
Compare IBANs and routing numbers side by side. Learn the key differences in format, geographic usage, and when you need each for bank transfers.
MD5 vs SHA-256, Key Differences, Security & When to Use Each
Compare MD5 and SHA-256 hash algorithms. Learn the key differences in security, speed, and use cases to choose the right hashing algorithm for your needs.
REST API Testing: The Complete Guide for Developers
REST API testing from scratch, methods, tools, automation, and best practices. A complete guide for developers and QA engineers.
SHA-1 vs SHA-256, Key Differences, Security & When to Use Each
Compare SHA-1 and SHA-256 hash algorithms. Learn the key differences in security, performance, and use cases to choose the right hashing algorithm.
SHA-256 vs SHA-512, Key Differences, Performance & When to Use Each
SHA-256 vs SHA-512 compared: output size, speed benchmarks, security strength, and when to pick each hash algorithm. Decision table included.
SOAP vs REST API: Differences, Use Cases & When to Choose Each
SOAP vs REST API explained, protocols, data formats, security, and performance. Choose the right API architecture for your needs.
SWIFT Code vs IBAN, Key Differences & When You Need Each
Compare SWIFT codes and IBANs side by side. Learn the key differences in format, usage, and when you need each for international bank transfers.