Security APIs that don't
get in your way
10 free security APIs. No credit card. No rate-limit surprise. Ship threat detection in your next deploy.
# Check an IP in one curl
curl -H "X-API-Key: dk_your_key" \
https://api.darkapi.io/v1/ip/1.2.3.4
# Response
{
"ip": "1.2.3.4",
"risk_score": 87,
"threat_feeds": ["abuse.ch", "emergingthreats"],
"country": "RU",
"is_tor": false,
"is_vpn": true
}10 free APIs, no credit card
Everything resets at UTC midnight. Upgrade to Pro for 100× higher limits.
SHA-256 malware hash database
19+ threat feed score
DNS records + reputation
Phishing & malware detection
K-anonymity HIBP-style
Cert validation + expiry
Full NVD + CISA KEV data
SPF/DKIM/DMARC parsing
BGP routing + org info
IP → country/city/ASN
One key, every module
Hash lookup, IP reputation, CVE details, dark web scan — all on the same key. No juggling multiple vendor accounts.
Predictable pricing
Free tier resets daily. Pro is $49/mo flat. No per-query pricing surprises. Budget it like any SaaS tool.
SDK + curl-friendly
Every endpoint works with a simple HTTP GET or POST. JSON in, JSON out. Python/JS SDKs available.
Ready to add threat intel to your app?
Free forever. Upgrade when you need more than 100 req/day.