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Rendex vs Scrapfly

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

APIRendexNEW—ScrapflyNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
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

Rendex vs Scrapfly: common questions

Which is more reliable, Rendex or Scrapfly?

On our scheduled checks, Scrapfly leads on measured uptime — Rendex at —% versus Scrapfly 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 Rendex and Scrapfly need an API key?

Both ask you to authenticate — Rendex uses an API key and Scrapfly 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 Rendex and Scrapfly from the browser?

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

Are Rendex and Scrapfly free for commercial use?

Rendex has unclear commercial terms, and Scrapfly 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.