API Testing
Explore 87 articles about API Testing.
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...
HTTP 401 vs 403: What Is the Difference?
Learn when to return HTTP 401 or 403, which headers each needs, how to fix common framework errors, and how...
HTTP 422 Unprocessable Content: Meaning, Causes, and Fixes
Learn what the HTTP 422 status code means, how it differs from 400, 409, and 415, how to fix it...
HTTP 429 Too Many Requests: Meaning, Causes, and Fixes
Learn what HTTP 429 means, how Retry-After and rate limit headers work, how to fix common causes, and how to...
HTTP 500 Internal Server Error: Causes, Fixes, and Tests
Learn what HTTP 500 means, how it differs from 502, 503, and 504, how to fix it in common frameworks,...
HTTP 503 Service Unavailable: Meaning, Causes, and Fixes
Learn what HTTP 503 means, when to use Retry-After, how it differs from 502, 504, and 429, and how to...
Understanding HTTP Request Methods & Verbs
All HTTP request methods explained with examples: GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS. Learn when to use each...
Different Status Code of API (HTTP status codes)
Uncover the mysteries of HTTP status codes and how they impact your web presence. Discover the significance of 1xx, 2xx,...
IAST vs DAST: Key Differences & How to Choose
IAST vs DAST compared: accuracy, CI/CD fit, false positives, and setup complexity. Use our decision framework to pick the right...
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...
Insomnia vs Postman - Which API Testing Tool Reigns Supreme
Insomnia vs Postman compared side by side. See how they differ on pricing, plugins, GraphQL support, and team collaboration to...
JMeter API Testing: From a First REST Test Plan to a CI Run
JMeter API testing, start to finish: build a REST test plan, add headers and JSON checks, run it in CI,...