CIRCL CVE Search vs WhatIsMyIP API

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

Uptime · 30d
Uptime · 90d98.0%100%
Uptime · 30d96.7%100%
P50 · ms698227
P95 · ms2765672
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CIRCL CVE Search vs WhatIsMyIP API: common questions

Which is more reliable, CIRCL CVE Search or WhatIsMyIP API?

On our scheduled checks, WhatIsMyIP API leads on measured uptime — CIRCL CVE Search at 98.0% versus WhatIsMyIP 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 WhatIsMyIP API?

WhatIsMyIP API has the lower median latency in our checks — CIRCL CVE Search responds in 698 ms versus WhatIsMyIP API at 227 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 WhatIsMyIP API need an API key?

WhatIsMyIP API needs no key, while CIRCL CVE Search requires a free API key. If you want to start calling without signup, reach for WhatIsMyIP API first.

Can I call CIRCL CVE Search and WhatIsMyIP API from the browser?

Yes — both CIRCL CVE Search and WhatIsMyIP 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 WhatIsMyIP API free for commercial use?

CIRCL CVE Search has unclear commercial terms, and WhatIsMyIP 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.