eNanoMapper database vs Genderize.io

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

Uptime · 30d
Uptime · 90d99.02%41.2%
Uptime · 30d100%36.7%
P50 · ms1601632
P95 · ms33101060
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedKeyless usage limited (x-rate-limit-limit: 25 observed); 2,500 names/mo with a free key
Rate limitUnpublishedKeyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headers
In directory since2026-07-052026-07-05
operationalpartialdownno data

eNanoMapper database vs Genderize.io: common questions

Which is more reliable, eNanoMapper database or Genderize.io?

On our scheduled checks, eNanoMapper database leads on measured uptime — eNanoMapper database at 99.02% versus Genderize.io at 41.2% 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 Genderize.io?

Genderize.io has the lower median latency in our checks — eNanoMapper database responds in 1601 ms versus Genderize.io at 632 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 Genderize.io need an API key?

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

Can I call eNanoMapper database and Genderize.io from the browser?

Only Genderize.io 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 eNanoMapper database and Genderize.io free for commercial use?

eNanoMapper database has unclear commercial terms, and Genderize.io 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.