The following classes are available globally.

  • On 9 August 2021, IBM announced the deprecation of IBM Watson™ Natural Language Classifier. As of 9 September 2021, you cannot create new instances. However, existing instances are supported until 8 August 2022. The service will no longer be available on 8 August 2022.

    As an alternative, consider migrating to IBM Watson Natural Language Understanding. For more information, see Migrating to Natural Language Understanding. {: deprecated} Natural Language Classifier uses machine learning algorithms to return the top matching predefined classes for short text input. You create and train a classifier to connect predefined classes to example texts so that the service can apply those classes to new inputs.

    See more



    public class NaturalLanguageClassifier