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EMQX Technical Support

EMQ is the world's leading software provider of open-source IoT data infrastructure. We are dedicated to empowering future-proof IoT applications through one-stop, cloud-native products that connect, move, process, and analyze real-time IoT data—from edge to cloud to multi-cloud.

Our core product EMQX, the world's most scalable and reliable open-source MQTT messaging platform, supports 100M concurrent IoT device connections per cluster while maintaining 1M message per second throughput and sub-millisecond latency. It boasts more than 20K+ enterprise users, connecting 100M+ IoT devices, and is trusted by over 400 customers in mission-critical IoT scenarios, including well-known brands like HPE, VMware, Verifone, SAIC Volkswagen and Ericsson.

EMQ's global R&D center is located in Stockholm. We have 10+ offices throughout the Americas, Europe, and the Asia-Pacific region.

If you have any questions about EMQX products or our IoT solutions, you are welcome to contact us at:



Product Feedback: EMQX Support Portal





  • Headquarters: #A303, Building 3, No.88 Longyuan Road, Yuhang District, Hangzhou, Zhejiang, China
  • Global R&D center: Stockholm Mazarinvägen 36 Sköndal, Stockholm, Sweden
  • Europe office: Frankfurt Eschborner Landstraße 42-50 Haus B, 60489 Frankfurt(M), Germany
  • US office: Silicon Valley 305 Vineyard Town Center #140 Morgan Hill CA 95037

The EMQX service team provides you with professional support:

  • You can contact the EMQX service team for professional support on designing, deploying, or customizing your IoT solutions.
  • Browse the EMQX Support Portal to find out about the commercial support we cover.

Commercial Support Level

Support hours5*87*24
Email supportsupportsupport
Online chat tool supportsupportsupport
Telephone hotline supportno supportsupport
Response time8 hours2 hours
Hot bug fixesno supportsupport
3rd-party plug-in supportno supportsupport