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Micro User Service vs OWASP API Security Project

Same instrument, two spec sheets — measured, not claimed.

APIMicro User ServiceNEW—OWASP API Security ProjectNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Micro User Service vs OWASP API Security Project: common questions

Which is more reliable, Micro User Service or OWASP API Security Project?

On our scheduled checks, OWASP API Security Project leads on measured uptime — Micro User Service at —% versus OWASP API Security Project at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Micro User Service and OWASP API Security Project need an API key?

OWASP API Security Project needs no key, while Micro User Service requires a free API key. If you want to start calling without signup, reach for OWASP API Security Project first.

Can I call Micro User Service and OWASP API Security Project from the browser?

Yes — both Micro User Service and OWASP API Security Project send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Micro User Service and OWASP API Security Project free for commercial use?

Micro User Service has unclear commercial terms, and OWASP API Security Project has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.