What is the Text Analysis API in Azure Machine Learning?

Text Analysis API is a set of web services that can be used for text analysis. It is used to analyze unstructured text for sentiment analysis and keyphrase extraction. It provides results that range between 0 and 1, to elicit a positive or negative sentiment.

When a new model is created, it doesn’t need to be designed and trained, users need to add the data and call the service to obtain the sentiment analysis.