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Spaceflight News vs Yelp

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

APISpaceflight NewsHEALTHY63YelpHEALTHY96
Uptime · 30d
Uptime · 90d95.1%100%
Uptime · 30d91.7%100%
P50 · ms864319
P95 · ms44972145
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (links/metadata for third-party news)Unverified
Free tierFree — no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Spaceflight News vs Yelp: common questions

Which is more reliable, Spaceflight News or Yelp?

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

Yelp has the lower median latency in our checks — Spaceflight News responds in 864 ms versus Yelp at 319 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 Yelp need an API key?

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

Can I call Spaceflight News and Yelp from the browser?

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

Are Spaceflight News and Yelp free for commercial use?

Spaceflight News has unclear commercial terms, and Yelp 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.