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ddownload vs QR & Barcode

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

APIddownloadREACHABLE—QR & BarcodeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ddownload vs QR & Barcode: common questions

Which is more reliable, ddownload or QR & Barcode?

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

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

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

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

Are ddownload and QR & Barcode free for commercial use?

ddownload 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.