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Randommer vs Zube

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

APIRandommerNEW—ZubeNEW—
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

Randommer vs Zube: common questions

Which is more reliable, Randommer or Zube?

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

Both ask you to authenticate — Randommer uses an API key and Zube 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 Randommer and Zube from the browser?

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

Are Randommer and Zube free for commercial use?

Randommer has unclear commercial terms, and Zube 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.