ContrastAPI
Free security API for developers & AI agents — no signup
What is ContrastAPI?
Paste any domain → get a full security report in 1 second. DNS, SSL, WHOIS, subdomains, vulnerabilities, threat intel — all in one API call. 35+ endpoints. 23 MCP tools for AI agents (Claude, Cursor, Windsurf). 340K+ CVEs with exploit probability scores. curl https://api.contrastcyber.com/v1/domain/yoursite.com No signup. No API key. 100 req/hr free. Open source.
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