Stack Facts Preflight: Check an npm or PyPI package before install: vulnerabilities, exploited CVEs, licence, deprecation
https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/preflight/npm/requestOverview
Call before installing an npm or PyPI package: latest version, licence, OSV vulns, CISA KEV CVEs, deprecation or yank. Returns ok, caution or block. Pay per call in USDC: no account or API key, no daily cap.
Protocol
x402
Price
$0.0050
Payment Asset
USDC
Payment Network
Base
Category
security
Provider
Stack Facts
Source
self-registered
Indexed
2026-10-12 22:55:52
Health
Status
healthy
Latency (p50)
882ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-20 22:51:17
Last Healthy
2026-10-20 22:51:17
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-20 22:51:17 | healthy | 402 | 882ms | |
| 2026-10-20 06:07:40 | healthy | 402 | 865ms | |
| 2026-10-19 20:36:39 | healthy | 402 | 1050ms | |
| 2026-10-19 03:20:00 | healthy | 402 | 854ms | |
| 2026-10-18 11:20:52 | healthy | 402 | 1087ms |