Open API Devices: HTTP, MQTT, Modbus and ZigBee Gateway APIs

Short answer: OWON offers open interfaces for integration with your own systems. The PC4713 Open Series meters communicate through HTTP, MQTT and Modbus TCP over Wi-Fi and Modbus RTU over RS485, and the SEG-X3 and SEG-X5 gateways offer an open Server API and Gateway API.

Key points

OWON products with Open API

OWON PC4713-W-485 Open API Smart Energy MeterDIN rail three-phase energy meter with Open API (Wi-Fi and RS485)Wi-FiRS485 / EthernetOpen APIOWON SEG-X5 ZigBee GatewayEthernet ZigBee 3.0 gateway with open Server API and Gateway APIZigBeeRS485 / EthernetOpen APIOWON SEG-X3 ZigBee Home Automation GatewayPlug-in ZigBee and Wi-Fi gateway with open Server API and Gateway APIZigBeeWi-FiOpen API

Frequently asked questions

Where can I get the API documents?

OWON sales provides protocol documents for HTTP, MQTT and Modbus on request. Use the contact page to ask.

Last updated: 6 November 2026.

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Tell us your application, target market and quantity. Our sales team replies with datasheets, protocol documents and pricing.

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