OpenQR vs Genderize.io

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredKeyless 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

OpenQR vs Genderize.io: common questions

Which is more reliable, OpenQR or Genderize.io?

On our scheduled checks, Genderize.io leads on measured uptime — OpenQR at —% versus Genderize.io at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do OpenQR and Genderize.io need an API key?

Genderize.io needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for Genderize.io first.

Can I call OpenQR and Genderize.io from the browser?

Yes — both OpenQR 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 OpenQR and Genderize.io free for commercial use?

OpenQR 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.