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Micro User Service vs Spaceflight News

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

APIMicro User ServiceNEW—Spaceflight NewsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (links/metadata for third-party news)
Free tierFree tier — key may be requiredFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Micro User Service vs Spaceflight News: common questions

Which is more reliable, Micro User Service or Spaceflight News?

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

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

Can I call Micro User Service and Spaceflight News from the browser?

Yes — both Micro User Service and Spaceflight News 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 Spaceflight News free for commercial use?

Micro User Service has unclear commercial terms, and Spaceflight News 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.