Gravitee Alert Engine by Gravitee.io is an enterprise API observability solution designed to monitor, observe, and alert on API performance and availability in real-time. It ensures no API blind spots in your monitoring strategy by providing efficient API platform monitoring, including advanced alerting configuration and notifications through various channels. Gravitee Alert Engine integrates with the API Gateway to stream API events, allowing for proactive identification and remediation of performance and security risks. It supports both synchronous and asynchronous APIs, as well as APIs from other API Gateways and Event Brokers, enabling a unified monitoring approach across diverse API environments.