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ELI vs eNanoMapper database

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

APIELIHEALTHY91eNanoMapper databaseHEALTHY83
Uptime · 30d
Uptime · 90d98.9%99.44%
Uptime · 30d98.3%100%
P50 · ms655788
P95 · ms17263310
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ELI vs eNanoMapper database: common questions

Which is more reliable, ELI or eNanoMapper database?

On our scheduled checks, eNanoMapper database leads on measured uptime — ELI at 98.9% versus eNanoMapper database at 99.44% 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, ELI or eNanoMapper database?

ELI has the lower median latency in our checks — ELI responds in 655 ms versus eNanoMapper database at 788 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 ELI and eNanoMapper database need an API key?

eNanoMapper database needs no key, while ELI requires a free API key. If you want to start calling without signup, reach for eNanoMapper database first.

Can I call ELI and eNanoMapper database from the browser?

Only ELI 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 ELI and eNanoMapper database free for commercial use?

ELI has unclear commercial terms, and eNanoMapper database 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.