Introduction

This documentation is for the HiveMQ 3.4 legacy version. For up-to-date information on the current version of HiveMQ, please switch to the latest version of our HiveMQ Platform documentation and update your bookmarks as needed.

HiveMQ is a MQTT broker tailored specifically for enterprises, which find themselves in the emerging age of Machine-to-Machine communication (M2M) and the Internet of Things.
It was built from the ground up with maximum scalability and enterprise-ready security concepts in mind. HiveMQ implements the MQTT protocol, the de-facto M2M messaging standard, and through its 100% compliance to the specification, it is leading when it comes to professional adoption of all possibilities of the Internet of Things for companies.

New to MQTT?

If you are new to MQTT and want to learn about the specific protocol features and concepts, we recommend to read our MQTT Essentials series. In this series you can learn about:

  1. An introduction to MQTT

  2. Publish & Subscribe Basics

  3. Client, Broker and Connection Establishment

  4. Publish, Subscribe & Unsubscribe

  5. Topics & Best Practices

  6. Quality of Service Levels

  7. Persistent Session and Queuing Messages

  8. Retained Messages

  9. Last Will and Testament

  10. Keep Alive & Client Take-Over

  11. MQTT over WebSockets