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Abstract API vs eNanoMapper database

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

APIAbstract APIHEALTHY89eNanoMapper databaseHEALTHY79
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d98.3%100%
P50 · ms7001601
P95 · ms16563310
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

Abstract API vs eNanoMapper database: common questions

Which is more reliable, Abstract API or eNanoMapper database?

Both are neck-and-neck — Abstract API 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, Abstract API or eNanoMapper database?

Abstract API has the lower median latency in our checks — Abstract API responds in 700 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 Abstract API and eNanoMapper database need an API key?

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

Can I call Abstract API and eNanoMapper database from the browser?

Only Abstract API 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 Abstract API and eNanoMapper database free for commercial use?

Abstract API 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.