Real-Time Monitoring by Unit21 is an API-based solution designed to provide proactive protection against real-time threats. It analyzes real-time data across transactions, behaviors, and networks to detect and prevent fraud. Real-Time Monitoring enables instant risk assessment and blocking of risky transactions to prevent fraud losses, while ensuring a secure experience for trusted customers. It offers a response via API to approve or block transactions, with setup possible in just one day to strengthen security.