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ddownload vs PaperClean

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

APIddownloadREACHABLE—PaperCleanNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
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

ddownload vs PaperClean: common questions

Which is more reliable, ddownload or PaperClean?

On our scheduled checks, PaperClean leads on measured uptime — ddownload at —% versus PaperClean 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 PaperClean need an API key?

Both ask you to authenticate — ddownload uses an API key and PaperClean 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 ddownload and PaperClean from the browser?

Only PaperClean 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 PaperClean free for commercial use?

ddownload has unclear commercial terms, and PaperClean 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.