Deep dives·13 June 2026 · 8 min read

API status codes testers should actually care about

Skip the full registry — learn the dozen status codes that carry real meaning, what each promises, and how to spot when the code and the body disagree.

api-testingstatus-codeshttp
Tutorials·13 June 2026 · 8 min read

How to test rate limits without annoying everyone

Test the full rate-limit contract — enforcement, 429, Retry-After headers, recovery, scope — with a low configurable limit and a dedicated key, not by flooding shared staging.

api-testingrate-limitinghttptutorial