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Micro User Service vs Onyx Bazaar

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

APIMicro User ServiceNEW—Onyx BazaarNEW—
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 Onyx Bazaar: common questions

Which is more reliable, Micro User Service or Onyx Bazaar?

On our scheduled checks, Onyx Bazaar leads on measured uptime — Micro User Service at —% versus Onyx Bazaar 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 Onyx Bazaar need an API key?

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

Can I call Micro User Service and Onyx Bazaar from the browser?

Yes — both Micro User Service and Onyx Bazaar 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 Onyx Bazaar free for commercial use?

Micro User Service has unclear commercial terms, and Onyx Bazaar 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.