Practical Node-RED Programming by Taiji Hagino

Author:Taiji Hagino
Language: eng
Format: epub
Publisher: Packt Publishing Pvt Ltd
Published: 2021-03-19T00:00:00+00:00

In this chapter, let's call a web API from Node-RED. Basically, in Node-RED, processing is performed as per the created flow, but it is JSON data that connects processing. In that sense, it is very compatible with web APIs.

Let's get started with the following four topics:

Learning about the RESTful API

Learning about the input/output parameters of a node

How to call the web API on a node

How to use the IBM Watson API

By the end of this chapter, you will have mastered how to call any type of web API from Node-RED.

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