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CIRCL CVE Search

CIRCL CVE Search — free tier with API key

📚 Open DataUNMONITORED
AUTH APIKEYCORS ✓AGENT ?HTTPS ✓COMMERCIAL ?

CIRCL CVE Search exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://vulnerability.circl.lu/api/browse/microsoft

[
  "windows server enterprise edition itanium",
  "windows server gold x64-datacenter"
]
Call itcurl · fetch · python
curl "https://vulnerability.circl.lu/api/browse/microsoft"
const res = await fetch("https://vulnerability.circl.lu/api/browse/microsoft");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://vulnerability.circl.lu/api/browse/microsoft")
print(res.json())
Endpoints · 5On scheduleFULL DOCS ↗
On schedule — GET /api/browse/microsoft awaits first probe
GET/api/browse/microsoftPROBED

CIRCL CVE Search — free tier with API key

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

CIRCL CVE Search: common questions

Is CIRCL CVE Search free to use?

Yes — CIRCL CVE Search is a free open data API. Free tier: Free tier — API key required. Whether the free tier allows commercial use is unclear — check the provider docs.

Does CIRCL CVE Search need an API key?

Yes — CIRCL CVE Search needs a free API key, which you pass on each request. Rate limits: Unpublished.

Can I call CIRCL CVE Search from the browser?

Yes — CIRCL CVE Search returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is CIRCL CVE Search up right now?

CIRCL CVE Search is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.