Watson Tone Analyzer is an application that analyzes the tone of the text passed through it. It does analysis on the linguistics and picks up emotions such as anger, sadness from the text.
Workato supports the connection of the Watson Tone Analyzer to other applications through recipes. In order to connect to the Watson Tone Analyzer within a recipe, one needs to have a Bluemix account. A Bluemix account can be created here.
To find out more about the Watson Tone Analyzer, you may visit this page.