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Registrum API vs Spaceflight News

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

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

Registrum API vs Spaceflight News: common questions

Which is more reliable, Registrum API or Spaceflight News?

On our scheduled checks, Spaceflight News leads on measured uptime — Registrum API 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 Registrum API and Spaceflight News need an API key?

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

Can I call Registrum API and Spaceflight News from the browser?

Only Spaceflight News is browser-friendly — it returns CORS headers over HTTPS. Registrum API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Registrum API and Spaceflight News free for commercial use?

Registrum API 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.