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CyberSecFeed API Documentation

Welcome to the CyberSecFeed API documentation. This comprehensive guide will help you integrate with our vulnerability intelligence platform.

What is CyberSecFeed?

CyberSecFeed provides comprehensive vulnerability intelligence through a simple REST API:

  • Coverage: Comprehensive CVE universe coverage with hourly updates
  • Enrichment: KEV, EPSS, and ACSC data with parameter-controlled inclusion
  • Performance: Sub-second response times with intelligent edge caching
  • Subscription Model: Four-tier support structure with monthly quotas
  • Enterprise Ready: Production-grade platform with comprehensive API

Key Features

  • 🔐 Secure: Database-backed API key authentication with SHA-256 hashing
  • ⚡ Fast: Optimized for performance with ETag caching and edge optimization
  • 🎯 Accurate: Multiple authoritative data sources (NVD, MITRE, CISA, FIRST, ACSC)
  • 📊 Enriched: Parameter-controlled enrichment with include=acsc,enrichment
  • 🔄 Real-time: Hourly updates with smart skip logic for bandwidth optimization
  • 🌐 Global: Cloudflare Workers edge deployment for worldwide access
  • 💳 Subscription: Stripe-powered subscription model with usage tracking
  • 🎯 Enterprise: Five-tier support structure (Community/Email 24h/Priority 8h/Dedicated/Custom SLA)

Available Endpoints

EndpointMethodDescription
/api/v1/pingGETFull health check
/api/v1/ping-liteGETLightweight monitoring
/api/v1/cve/{id}GETSingle CVE details
/api/v1/cvesGETSearch and filter CVEs
/api/v1/kevGETKnown Exploited Vulnerabilities
/api/v1/usageGETAPI key usage statistics
/api/v1/statsGETPlatform statistics

Quick Start Example

# Set your API key
export CYBERFEED_API_KEY="your-api-key-here"

# Make your first request
curl -H "X-API-Key: $CYBERFEED_API_KEY" \
https://api.cybersecfeed.com/api/v1/ping

# Search for critical vulnerabilities
curl -H "X-API-Key: $CYBERFEED_API_KEY" \
"https://api.cybersecfeed.com/api/v1/cves?severity_min=9.0&limit=10"

# Check if a CVE is actively exploited with ACSC data
curl -H "X-API-Key: $CYBERFEED_API_KEY" \
"https://api.cybersecfeed.com/api/v1/cve/CVE-2024-0001?include=acsc"

Requirements

  • API Key: Required for all requests (automatically delivered via email after subscription)
  • HTTPS: All requests must use HTTPS (HTTP requests rejected)
  • Monthly Quotas: Based on your subscription tier (Free: 1,000, Plus: 30,000, Pro: 200,000, Business: 2M, Enterprise: Custom)
  • Rate Limits: Free tier only (5 requests/minute), paid plans have no rate limits

Next Steps

  1. Get Started - Make your first API call in 5 minutes
  2. Explore API Reference - Detailed endpoint documentation with enrichment parameters
  3. Data Enrichment Guide - Understanding KEV, EPSS, and ACSC enrichment
  4. View Integration Examples - Code samples in multiple languages
  5. Learn Best Practices - Production-ready patterns and optimization

Getting Help

  1. Start with the Troubleshooting Guide
  2. Check the API Reference for endpoint details
  3. Review Data Enrichment Guide for parameter usage
  4. Review Integration Examples for your language
  5. Contact support based on your tier:
    • Free: Community forums
    • Plus: Email support (24h response)
    • Pro: Priority support (8h response)
    • Business: Dedicated support team
    • Enterprise: Custom SLA with dedicated account manager

Additional Resources


API Version: v1
Documentation Version: 2.0.0
Last Updated: July 2025