Azure Event Grid MQTT Broker is a managed broker service that brings MQTT messaging into Microsoft’s Event Grid ecosystem. It enables IoT devices to publish and subscribe to topics while integrating with cloud-based event-driven workflows. This service supports secure device connectivity, scaling automatically with demand. By combining MQTT with Azure’s event-driven architecture, it bridges real-time IoT data with serverless functions, analytics, and storage. It reduces the complexity of managing infrastructure while ensuring enterprise-level reliability. For IoT developers already using Azure, it provides a seamless way to add MQTT messaging.