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Micro User Service vs OWASP API Security Project

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

APIMicro User ServiceDEAD0OWASP API Security ProjectHEALTHY98
Uptime · 30d
Uptime · 90d18.6%100%
Uptime · 30d0.0%100%
P50 · ms231205
P95 · ms8271646
AuthapiKeynone
CORSnoyes
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 18.6% versus OWASP API Security Project at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

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

OWASP API Security Project has the lower median latency in our checks — Micro User Service responds in 231 ms versus OWASP API Security Project at 205 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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?

Only OWASP API Security Project is browser-friendly — it returns CORS headers over HTTPS. Micro User Service needs a server-side call or proxy, so factor that into which one fits a front-end project.

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.