API Documentation
FREEIntegrate zerodaydb into your security workflows with our comprehensive REST API. Query vulnerabilities, search applications, and access real-time security data.
Free & Open Access
Our API is completely free with generous rate limits. No credit card required, no hidden fees. We believe security information should be accessible to everyone—from independent researchers to large organizations.
RESTful API
Simple HTTP endpoints for querying vulnerability data
Real-time Updates
WebSocket support for live vulnerability notifications
Comprehensive Docs
Interactive examples and detailed endpoint references
Quick Start
No authentication required for basic queries. For higher rate limits and advanced features, create a free API key.
API Endpoints
/v1/vulnerabilitiesList all vulnerabilities with optional filters
/v1/cve/:idGet detailed information about a specific CVE
/v1/searchSearch vulnerabilities by application, framework, or vector
/v1/applicationsList all tracked applications
/v1/frameworksList all tracked frameworks
/v1/statsGet database statistics and metrics
Response Format
All responses are returned in JSON format with consistent structure:
{
"success": true,
"data": {
"id": "CVE-2025-12345",
"title": "Remote Code Execution in Example App",
"severity": "critical",
"cvss": 9.8,
"description": "...",
"affected_versions": ["1.0.0", "1.0.1"],
"patched_version": "1.0.2",
"published_date": "2025-12-01",
"references": [...]
},
"metadata": {
"timestamp": "2025-12-09T10:30:00Z",
"version": "v1"
}
}Rate Limits
Need higher limits? Contact us at api@zerodaydb.com. We're happy to accommodate legitimate security research and non-profit use cases at no cost.