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Genderize.io vs QR & Barcode

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

APIGenderize.ioHEALTHY62QR & BarcodeHEALTHY91
Uptime · 30d
Uptime · 90d41.2%100%
Uptime · 30d36.7%100%
P50 · ms632722
P95 · ms10601344
Authnonenone
CORSyesyes
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 QR & Barcode: common questions

Which is more reliable, Genderize.io or QR & Barcode?

On our scheduled checks, QR & Barcode leads on measured uptime — Genderize.io at 41.2% versus QR & Barcode 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 QR & Barcode?

Genderize.io has the lower median latency in our checks — Genderize.io responds in 632 ms versus QR & Barcode at 722 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 QR & Barcode need an API key?

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

Can I call Genderize.io and QR & Barcode from the browser?

Yes — both Genderize.io and QR & Barcode 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 Genderize.io and QR & Barcode free for commercial use?

Genderize.io has unclear commercial terms, and QR & Barcode 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.