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English Random Words vs Genderize.io

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

APIEnglish Random WordsHEALTHY77Genderize.ioHEALTHY62
Uptime · 30d
Uptime · 90d74.5%41.2%
Uptime · 30d71.7%36.7%
P50 · ms592632
P95 · ms21261060
Authnonenone
CORSyesyes
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 limit30 req/window · 6 remaining · resets 585Keyless cap 25 per x-rate-limit-limit header; remaining/reset exposed in response headers
In directory since2026-07-052026-07-05
operationalpartialdownno data

English Random Words vs Genderize.io: common questions

Which is more reliable, English Random Words or Genderize.io?

On our scheduled checks, English Random Words leads on measured uptime — English Random Words at 74.5% 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, English Random Words or Genderize.io?

English Random Words has the lower median latency in our checks — English Random Words responds in 592 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 English Random Words and Genderize.io need an API key?

Neither needs a paid key — English Random Words 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 English Random Words and Genderize.io from the browser?

Yes — both English Random Words and Genderize.io send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are English Random Words and Genderize.io free for commercial use?

English Random Words 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.