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PaperClean vs QR code Generator

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

APIPaperCleanNEW—QR code GeneratorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

PaperClean vs QR code Generator: common questions

Which is more reliable, PaperClean or QR code Generator?

On our scheduled checks, QR code Generator leads on measured uptime — PaperClean at —% versus QR code Generator 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 PaperClean and QR code Generator need an API key?

Both ask you to authenticate — PaperClean uses an API key and QR code Generator uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call PaperClean and QR code Generator from the browser?

Yes — both PaperClean and QR code Generator 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 PaperClean and QR code Generator free for commercial use?

PaperClean has unclear commercial terms, and QR code Generator 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.