Uploaded September 2025 | Updated September 2026, 3 weeks ago

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IND400 Smart Weighing Indicator – REST API & WebSocket Live Demo

In this video, I take the next step with the Mettler Toledo IND400 by showing how to connect and interact with it using both REST API and WebSocket.

✅ Learn how to authenticate and retrieve data via REST API
✅ Understand the difference between REST and WebSocket communication
✅ See a live demo of continuous real-time weighing data streamed directly from the IND400
✅ Explore how this data can be visualized and integrated into IIoT applications

Timeline:
0:00 - Introduction
0:51 - What is an Open API?
2:15 - REST API
2:05 - Why to use MQTT?
3:15 - Activate Web API Server in IND400
4:00 - API Testing with the Web interface of the IND400 API Server
8:20 - API Testing with Node-RED
20:10 - API Testing with Postman
23:40 - API Testing with Node-RED Dashboard
25:07 - WebSocket connection with IND400
30:00 - Outroduction

Learn more about IND400 here:
mt.com/ch/de/home/products/Industrial_Weighing_Solutions/scale-indicator/ind400.html

✅ Get video resources from here: wiki.codeandcompile.com/product-reviews/smart-devices/ind400-smart-weighing-indicator/ind400-with-api

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