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Nexus APIs

FullHunt Nexus APIs provide research data and threat intelligence capabilities powered by FullHunt's extensive database and threat intelligence platform.

Rate limiting: Requests are limited to 60 requests per minute.

note

The results are limited to 100 results per query for community accounts. Enterprise accounts gain full access to Nexus APIs.

Available Nexus APIs​

Threat Intelligence​

  • Tor IP Lookup: Check if IP addresses are associated with Tor exit nodes
  • IP Lookup: Get comprehensive IP address intelligence and metadata

Certificate Intelligence​

  • Cloud TLS Certificates: Query cloud certificate information and DNS associations

DNS Intelligence​

  • Passive DNS: Historical passive DNS data for domains
  • Domain Collection: Company and organization information from domain analysis

Authentication​

All Nexus APIs require:

  • Valid API key with appropriate permissions
  • X-API-KEY header in all requests
  • Nexus API credits (part of Data Intelligence API Credits)

Credit Usage​

Nexus APIs are part of the Data Intelligence API Credits system:

  • Community accounts: Limited to 100 results per query
  • Enterprise accounts: Full access to all results
  • Credits are consumed based on query complexity and result size

Common Use Cases​

Threat Intelligence​

  • Identify Tor traffic sources
  • Investigate suspicious IP addresses
  • Correlate infrastructure with threat actors

Security Research​

  • Analyze certificate relationships
  • Study domain ownership patterns
  • Investigate DNS infrastructure

Digital Forensics​

  • Historical DNS resolution tracking
  • Certificate chain analysis
  • Infrastructure correlation research

Compliance and Risk Assessment​

  • Identify high-risk IP ranges
  • Validate certificate authorities
  • Monitor domain ownership changes

Getting Started​

  1. Ensure you have a valid FullHunt API key
  2. Review the specific API documentation for each endpoint
  3. Start with small test queries to understand response formats
  4. Implement proper error handling and rate limiting

Rate Limiting​

  • Standard rate limit: 60 requests per minute
  • Credit consumption: Varies by endpoint and result size
  • Enterprise benefits: Higher rate limits and full result access

Integration Best Practices​

API Usage​

  1. Cache Results: Cache responses to reduce API calls
  2. Batch Processing: Group related queries when possible
  3. Error Handling: Implement proper retry logic for transient errors
  4. Rate Limiting: Respect rate limits to avoid disruption

Data Processing​

  1. Data Validation: Validate API responses before processing
  2. Enrichment: Combine Nexus data with other intelligence sources
  3. Storage: Consider local storage for frequently accessed data
  4. Updates: Regularly refresh cached data for accuracy

Support​

For questions about Nexus APIs:

  • Review the detailed API documentation in this section
  • Contact FullHunt support for technical assistance
  • Enterprise customers receive priority support for Nexus APIs