eNanoMapper database vs Vector Express v2.0

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms1601613
P95 · ms33101662
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree
Rate limitUnpublished5 req/window · 4 remaining · resets 1783513379
In directory since2026-07-052026-07-05
operationalpartialdownno data

eNanoMapper database vs Vector Express v2.0: common questions

Which is more reliable, eNanoMapper database or Vector Express v2.0?

On our scheduled checks, Vector Express v2.0 leads on measured uptime — eNanoMapper database at 99.02% versus Vector Express v2.0 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 Vector Express v2.0?

Vector Express v2.0 has the lower median latency in our checks — eNanoMapper database responds in 1601 ms versus Vector Express v2.0 at 613 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 Vector Express v2.0 need an API key?

Neither needs a paid key — eNanoMapper database is callable with no signup, and Vector Express v2.0 is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call eNanoMapper database and Vector Express v2.0 from the browser?

Neither sends browser-friendly CORS headers reliably, so call eNanoMapper database and Vector Express v2.0 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 Vector Express v2.0 free for commercial use?

eNanoMapper database has unclear commercial terms, and Vector Express v2.0 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.