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DownStatus vs Genderize.io

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

APIDownStatusDYING73Genderize.ioHEALTHY62
Uptime · 30d
Uptime · 90d60.8%41.2%
Uptime · 30d33.3%36.7%
P50 · ms589632
P95 · ms12951060
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API key (per docs)Keyless 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

DownStatus vs Genderize.io: common questions

Which is more reliable, DownStatus or Genderize.io?

On our scheduled checks, DownStatus leads on measured uptime — DownStatus at 60.8% 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, DownStatus or Genderize.io?

DownStatus has the lower median latency in our checks — DownStatus responds in 589 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 DownStatus and Genderize.io need an API key?

Neither needs a paid key — DownStatus 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 DownStatus and Genderize.io from the browser?

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

Are DownStatus and Genderize.io free for commercial use?

DownStatus 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.