CheapShark API vs Spaceflight News

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

Uptime · 30d
Uptime · 90d98.9%94.4%
Uptime · 30d100%95.0%
P50 · ms415505
P95 · ms24834861
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (links/metadata for third-party news)
Free tierFree — limits not publishedFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CheapShark API vs Spaceflight News: common questions

Which is more reliable, CheapShark API or Spaceflight News?

On our scheduled checks, CheapShark API leads on measured uptime — CheapShark API at 98.9% versus Spaceflight News at 94.4% 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, CheapShark API or Spaceflight News?

CheapShark API has the lower median latency in our checks — CheapShark API responds in 415 ms versus Spaceflight News at 505 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 CheapShark API and Spaceflight News need an API key?

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

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

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

Are CheapShark API and Spaceflight News free for commercial use?

CheapShark 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.