The service has been deprecated as of April 7, 2017 and will remain supported till Mar 7, 2018. Use the Watson Natural Language Understanding service to tap into the same powerful text analytics and natural language processing capabilities you've come to know and love from AlchemyAPI.

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AlchemyLanguage is a collection of natural language processing APIs that help you understand sentiment, keywords, entities, high-level concepts and more. You can use AlchemyLanguage to understand how your social media followers feel about your products, to automatically classify the contents of a webpage, or to see what topics are trending in the news. AlchemyLanguage provides many pre-trained features, but you can also create a custom model using Watson Knowledge Studio.

Common use cases for AlchemyLanguage include:

  • -Understand the causes behind negative and positive reviews
  • -Track important industry events such as acquisitions and new competitors
  • -Tailor recommended content and advertisements to the content on the page

How it works

Helping Brands Understand Customers With Social Media Intelligence - Pulsar Social Media Monitoring

Pulsar is reinventing social data monitoring with its powerful tools that give brands valuable intelligence enabling effective decision-making. Through integration of several natural language processing APIs, Pulsar rapidly releases innovations that help customers go beyond basic keyword tracking to map brand audiences, observe how content travels and manage team communication.

Developer tools

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Bluemix is IBM’s cloud platform where you can access the Watson services.

Follow the getting started guide to use Watson in five steps.

Use In Bluemix


Ready to get down to the details? Full documentation detailing how to get started using this service in Bluemix is available for each Watson service.

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Localized versions of Watson services (Natural Language Classifier, Retrieve and Rank, Speech to Text, Text to Speech) are available in the following places.

Japanese - SoftBank