Stack Facts KEV: Check if a CVE is actively exploited
https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/kev/CVE-2021-44228Overview
Check if a CVE is actively exploited (CISA KEV): in_kev, date added, remediation due date, required action and known ransomware use. Pay per call in USDC: no account or API key, no daily cap.
Protocol
x402
Price
$0.0030
Payment Asset
USDC
Payment Network
Base
Category
security
Provider
Stack Facts
Source
self-registered
Indexed
2026-10-10 09:00:50
Health
Status
unknown
Latency (p50)
1004ms
Uptime (30d)
85.7%
Reliability Score
72.9/100
Last Checked
2026-10-17 20:23:33
Last Healthy
2026-10-17 06:00:42
Consecutive Failures
1
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-17 20:23:33 | error | — | — | fetch failed |
| 2026-10-17 06:00:42 | healthy | 402 | 2219ms | |
| 2026-10-16 19:40:46 | healthy | 402 | 934ms | |
| 2026-10-16 07:34:44 | healthy | 402 | 1020ms | |
| 2026-10-16 00:35:50 | healthy | 402 | 866ms | |
| 2026-10-15 14:03:51 | healthy | 402 | 877ms | |
| 2026-10-15 04:25:47 | healthy | 402 | 868ms |