Developers

AlchemyAPI provides the world's most popular natural language processing service via an easy-to-use software API. Integrate advanced text mining and analytics functionality into your application, service, or data-processing pipeline.

Register For an API Key

To use AlchemyAPI, you need an access key. If you do not already have an API key, you must first register an API key. This verification process takes just a few moments.

Check Out the Documentation

Detailed documentation is provided that describes all of AlchemyAPI's capabilities, including named entity extraction, concept tagging, text categorization, relation extraction, language detection, keyword extraction, sentiment analysis, web page cleaning, content scraping, and more.

Check Out Interactive Demos

Try our main demo or our Entity Extraction Demo, Concept Tagging Demo, Language Detection Demo, and Keyword Extraction Demo.

Check Out the Community

Leverage a growing list of 3rd party tools and applications built by members of the AlchemyAPI developer community.

Download SDKs

AlchemyAPI provides SDKs in more than a half-dozen major programming languages, simplifying the integration of text-mining and content analysis capabilities into your application. Or if you prefer, access the API directly via our Internet-accessible REST interface.

Download Tools

AlchemyAPI provides WordPress, Drupal, and Linux/Unix tools.