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Nebulum Mars Rovers API vs Sirv

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

APINebulum Mars Rovers APIDYING89SirvDEAD0
Uptime · 30d
Uptime · 90d92.8%0.0%
Uptime · 30d78.3%0.0%
P50 · ms454—
P95 · ms1417—
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nebulum Mars Rovers API vs Sirv: common questions

Which is more reliable, Nebulum Mars Rovers API or Sirv?

On our scheduled checks, Nebulum Mars Rovers API leads on measured uptime — Nebulum Mars Rovers API at 92.8% versus Sirv at 0.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Nebulum Mars Rovers API and Sirv need an API key?

Nebulum Mars Rovers API needs no key, while Sirv requires a free API key. If you want to start calling without signup, reach for Nebulum Mars Rovers API first.

Can I call Nebulum Mars Rovers API and Sirv from the browser?

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

Are Nebulum Mars Rovers API and Sirv free for commercial use?

Nebulum Mars Rovers API has unclear commercial terms, and Sirv 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.