ThreatCrowd API is a Python library that provides programmatic access to ThreatCrowd's threat intelligence database. The library enables users to query various types of threat data including email addresses, IP addresses, domains, and antivirus reports through a standardized API interface. Key features include: - Query capabilities for email addresses, IP addresses, domains, and antivirus entries - Built-in caching mechanism with configurable TTL (time to live) settings - Simple Python interface for integration into security workflows - Access to ThreatCrowd's crowdsourced threat intelligence data The tool is designed for cybersecurity professionals and researchers who need to perform threat intelligence lookups and correlate indicators of compromise across different data types.