Genderize.io vs Shodan EntityDB API

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

Uptime · 30d
Uptime · 90d41.2%100%
Uptime · 30d36.7%100%
P50 · ms632918
P95 · ms10601306
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierKeyless usage limited (x-rate-limit-limit: 25 observed); 2,500 names/mo with a free keyFree — limits not published
Rate limitKeyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headersUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Genderize.io vs Shodan EntityDB API: common questions

Which is more reliable, Genderize.io or Shodan EntityDB API?

On our scheduled checks, Shodan EntityDB API leads on measured uptime — Genderize.io at 41.2% versus Shodan EntityDB API 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, Genderize.io or Shodan EntityDB API?

Genderize.io has the lower median latency in our checks — Genderize.io responds in 632 ms versus Shodan EntityDB API at 918 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 Genderize.io and Shodan EntityDB API need an API key?

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

Can I call Genderize.io and Shodan EntityDB API from the browser?

Only Genderize.io is browser-friendly — it returns CORS headers over HTTPS. Shodan EntityDB API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Genderize.io and Shodan EntityDB API free for commercial use?

Genderize.io has unclear commercial terms, and Shodan EntityDB API 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.