eNanoMapper database vs FastApi Simple Calculator

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSnono
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 FastApi Simple Calculator: common questions

Which is more reliable, eNanoMapper database or FastApi Simple Calculator?

On our scheduled checks, FastApi Simple Calculator leads on measured uptime — eNanoMapper database at —% versus FastApi Simple Calculator 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 eNanoMapper database and FastApi Simple Calculator need an API key?

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

Can I call eNanoMapper database and FastApi Simple Calculator from the browser?

Neither sends browser-friendly CORS headers reliably, so call eNanoMapper database and FastApi Simple Calculator from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are eNanoMapper database and FastApi Simple Calculator free for commercial use?

eNanoMapper database has unclear commercial terms, and FastApi Simple 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.