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ELI vs eNanoMapper database

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

APIELIHEALTHY92eNanoMapper databaseHEALTHY79
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d98.3%100%
P50 · ms5911601
P95 · ms18173310
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?

Both are neck-and-neck — ELI and eNanoMapper database each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, ELI or eNanoMapper database?

ELI has the lower median latency in our checks — ELI responds in 591 ms versus eNanoMapper database at 1601 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.