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The Most Trusted MQTT Platform for loV and Connected Cars →
MQTTX
  • Why MQTTX
  • MQTT Broker Ready
  • Connect EMQX
  • Get Started

Why MQTTX

MQTT 5.0 protocol support

MQTT 5.0 protocol support

For MQTT v5.0 and MQTT v3.1.1

WebSocket

WebSocket

Support MQTT over WebSockets

Cross-platform

Cross-platform

For Windows, macOS, and Linux

Script

Script

Customizable script to simulate data testing

Get MQTT Broker Ready

EMQX Cloud

EMQX Cloud

Create an MQTT Broker instantly in minutes.

14 Days Free Trial →
Public MQTT 5 Broker

Public MQTT 5 Broker

Public MQTT broker for MQTT learning and testing.

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How to connect to EMQX

Connect

Connect

Simply open the new page for a quick configuration and save it, then connect the MQTT broker instantly.

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Subscribe

Subscribe

Quickly subscribe to multi-topic after connecting, and the subscribed topics are marked with different colors.

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Publish

Receive and publish messages, support JSON, Base64, Hex, and other payload formats, and publish with one click.

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