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CIRCL CVE Search vs The Odds API

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

APICIRCL CVE SearchNEW—The Odds APIREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
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

CIRCL CVE Search vs The Odds API: common questions

Which is more reliable, CIRCL CVE Search or The Odds API?

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

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

Yes — both CIRCL CVE Search and The Odds API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are CIRCL CVE Search and The Odds API free for commercial use?

CIRCL CVE Search has unclear commercial terms, and The Odds API 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.