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QR & Barcode vs Sheet2API

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

APIQR & BarcodeNEW—Sheet2APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

QR & Barcode vs Sheet2API: common questions

Which is more reliable, QR & Barcode or Sheet2API?

On our scheduled checks, Sheet2API leads on measured uptime — QR & Barcode at —% versus Sheet2API 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 QR & Barcode and Sheet2API need an API key?

QR & Barcode needs no key, while Sheet2API requires a free API key. If you want to start calling without signup, reach for QR & Barcode first.

Can I call QR & Barcode and Sheet2API from the browser?

Yes — both QR & Barcode and Sheet2API 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 QR & Barcode and Sheet2API free for commercial use?

QR & Barcode has unclear commercial terms, and Sheet2API 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.