This free public MQTT broker is based on the scalable and reliable EMQX and deployed in the US West (Oregon) AWS region.
Check out our rich and easy-to-understand MQTT guide to get started with MQTT protocol quickly and start your journey of IoT application development.
Need MQTT client tools for testing? Recommend using:
Fully managed MQTT service for IoT. The easiest way to start MQTT service. Connect your IoT devices to any cloud without the burden of maintaining infrastructure.
Self-managed enterprise MQTT platform at scale, an all-in-one distributed MQTT broker with multiple protocol gateways and a powerful built-in SQL-based IoT rule engine.