Resources Documentation & Tutorial Materials to support the build and maintenance of your application, with an easy, step-by-step guide to getting started. → Explore now Sample Applications Tutorials and demos with code that you can leverage to jumpstart your development. → Check them out API Reference Step-by-step technical guide to building an assistant in multiple programming languages → See the guide SDKs A collection of REST APIs and SDKs that uses AI to solve complex problems. Includes Python, Node, Java, and more. → Explore SDKs Blogs Get the latest announcements, tutorials, and feature details. → Read the posts IBM Code More than 100 open source programs, a library of knowledge resources, Developer Advocates ready to help, and a global community of developers. → Get started Case studies Get started on Watson Natural Language Classifier in minutes Add Watson Natural Language Classifier to an app for free. Get started