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APITube vs CIRCL CVE Search

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

APIAPITubeNEW—CIRCL CVE SearchNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierTrial — API key requiredFree tier — API key required
Rate limitPlan-dependentUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APITube vs CIRCL CVE Search: common questions

Which is more reliable, APITube or CIRCL CVE Search?

On our scheduled checks, CIRCL CVE Search leads on measured uptime — APITube at —% versus CIRCL CVE Search 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 APITube and CIRCL CVE Search need an API key?

Both ask you to authenticate — APITube uses an API key and CIRCL CVE Search 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 APITube and CIRCL CVE Search from the browser?

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

Are APITube and CIRCL CVE Search free for commercial use?

APITube has unclear commercial terms, and CIRCL CVE Search 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.