CIRCL CVE Search vs ValidEU API
Same instrument, two spec sheets — measured, not claimed.
CIRCL CVE Search vs ValidEU API: common questions
Which is more reliable, CIRCL CVE Search or ValidEU API?
On our scheduled checks, ValidEU API leads on measured uptime — CIRCL CVE Search at 98.0% versus ValidEU API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, CIRCL CVE Search or ValidEU API?
ValidEU API has the lower median latency in our checks — CIRCL CVE Search responds in 698 ms versus ValidEU API at 273 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do CIRCL CVE Search and ValidEU API need an API key?
Both ask you to authenticate — CIRCL CVE Search uses an API key and ValidEU 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 ValidEU API from the browser?
Only CIRCL CVE Search is browser-friendly — it returns CORS headers over HTTPS. ValidEU API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are CIRCL CVE Search and ValidEU API free for commercial use?
CIRCL CVE Search has unclear commercial terms, and ValidEU 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.