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iTunes Search vs Nebulum Mars Rovers API

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

APIiTunes SearchDYING47Nebulum Mars Rovers APIDYING89
Uptime · 30d
Uptime · 90d9.6%92.8%
Uptime · 30d13.8%78.3%
P50 · ms99454
P95 · ms2931417
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitRetry-After: 29sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

iTunes Search vs Nebulum Mars Rovers API: common questions

Which is more reliable, iTunes Search or Nebulum Mars Rovers API?

On our scheduled checks, Nebulum Mars Rovers API leads on measured uptime — iTunes Search at 9.6% versus Nebulum Mars Rovers API at 92.8% 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, iTunes Search or Nebulum Mars Rovers API?

iTunes Search has the lower median latency in our checks — iTunes Search responds in 99 ms versus Nebulum Mars Rovers API at 454 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 iTunes Search and Nebulum Mars Rovers API need an API key?

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

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

Neither sends browser-friendly CORS headers reliably, so call iTunes Search and Nebulum Mars Rovers API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are iTunes Search and Nebulum Mars Rovers API free for commercial use?

iTunes Search has unclear commercial terms, and Nebulum Mars Rovers API 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.