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Gladia vs Spaceflight News

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

APIGladiaHEALTHY76Spaceflight NewsHEALTHY63
Uptime · 30d
Uptime · 90d100%95.1%
Uptime · 30d100%91.7%
P50 · ms1203864
P95 · ms41214497
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (links/metadata for third-party news)
Free tierFree tier — API key may be required for productionFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Gladia vs Spaceflight News: common questions

Which is more reliable, Gladia or Spaceflight News?

On our scheduled checks, Gladia leads on measured uptime — Gladia at 100% versus Spaceflight News at 95.1% 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, Gladia or Spaceflight News?

Spaceflight News has the lower median latency in our checks — Gladia responds in 1203 ms versus Spaceflight News at 864 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 Gladia and Spaceflight News need an API key?

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

Can I call Gladia and Spaceflight News from the browser?

Yes — both Gladia 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 Gladia and Spaceflight News free for commercial use?

Gladia 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.