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Spaceflight News vs The Guardian

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

APISpaceflight NewsHEALTHY65The GuardianDEAD0
Uptime · 30d
Uptime · 90d94.4%50.6%
Uptime · 30d95.0%0.0%
P50 · ms505517
P95 · ms48612726
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (links/metadata for third-party news)Unverified
Free tierFree — no keyFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Spaceflight News vs The Guardian: common questions

Which is more reliable, Spaceflight News or The Guardian?

On our scheduled checks, Spaceflight News leads on measured uptime — Spaceflight News at 94.4% versus The Guardian at 50.6% 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 The Guardian?

Spaceflight News has the lower median latency in our checks — Spaceflight News responds in 505 ms versus The Guardian at 517 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 The Guardian need an API key?

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

Can I call Spaceflight News and The Guardian from the browser?

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

Are Spaceflight News and The Guardian free for commercial use?

Spaceflight News has unclear commercial terms, and The Guardian 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.