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Spaceflight News vs Wikidata

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

APISpaceflight NewsHEALTHY63WikidataHEALTHY90
Uptime · 30d
Uptime · 90d95.1%100%
Uptime · 30d91.7%100%
P50 · ms864585
P95 · ms44973283
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (links/metadata for third-party news)Unverified
Free tierFree — no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Spaceflight News vs Wikidata: common questions

Which is more reliable, Spaceflight News or Wikidata?

On our scheduled checks, Wikidata leads on measured uptime — Spaceflight News at 95.1% versus Wikidata 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, Spaceflight News or Wikidata?

Wikidata has the lower median latency in our checks — Spaceflight News responds in 864 ms versus Wikidata at 585 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 Spaceflight News and Wikidata need an API key?

Neither needs a paid key — Spaceflight News is callable with no signup, and Wikidata is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Spaceflight News and Wikidata from the browser?

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

Are Spaceflight News and Wikidata free for commercial use?

Spaceflight News has unclear commercial terms, and Wikidata 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.