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Nebulum Mars Rovers API vs ReSmush.it

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

APINebulum Mars Rovers APINEW—ReSmush.itNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedN/A — optimization service, not a dataset
Free tierFree — limits not publishedFree; per-image size cap applies (see docs)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nebulum Mars Rovers API vs ReSmush.it: common questions

Which is more reliable, Nebulum Mars Rovers API or ReSmush.it?

On our scheduled checks, ReSmush.it leads on measured uptime — Nebulum Mars Rovers API at —% versus ReSmush.it at —% 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 ReSmush.it need an API key?

Neither needs a paid key — Nebulum Mars Rovers API is callable with no signup, and ReSmush.it is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Nebulum Mars Rovers API and ReSmush.it from the browser?

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

Are Nebulum Mars Rovers API and ReSmush.it free for commercial use?

Nebulum Mars Rovers API has unclear commercial terms, and ReSmush.it 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.