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eNanoMapper database vs SLA Uptime Calculator

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

APIeNanoMapper databaseHEALTHY79SLA Uptime CalculatorHEALTHY82
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms16011373
P95 · ms33102741
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

eNanoMapper database vs SLA Uptime Calculator: common questions

Which is more reliable, eNanoMapper database or SLA Uptime Calculator?

On our scheduled checks, SLA Uptime Calculator leads on measured uptime — eNanoMapper database at 99.02% versus SLA Uptime Calculator 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, eNanoMapper database or SLA Uptime Calculator?

SLA Uptime Calculator has the lower median latency in our checks — eNanoMapper database responds in 1601 ms versus SLA Uptime Calculator at 1373 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 eNanoMapper database and SLA Uptime Calculator need an API key?

Neither needs a paid key — eNanoMapper database is callable with no signup, and SLA Uptime Calculator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call eNanoMapper database and SLA Uptime Calculator from the browser?

Only SLA Uptime Calculator is browser-friendly — it returns CORS headers over HTTPS. eNanoMapper database needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are eNanoMapper database and SLA Uptime Calculator free for commercial use?

eNanoMapper database has unclear commercial terms, and SLA Uptime Calculator 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.