WorldCat Discovery API

Search and find resources in WorldCat and our central index, from cataloged data to article information, expressed as part of the Web of data.

  • Status: Beta
  • Sandbox access: No

What You Get

The WorldCat Discovery API exposes your collection data for items in WorldCat, including:

  • Materials held by your library and local/regional consortia
  • The global "collective collection" of all libraries around the world
  • E-resource data for articles, e-books, databases and digital items

The WorldCat Discovery API utilizes Linked Data response formats, enabling you to make connections to other data sources across the web.

The WorldCat Discovery API is a modern resource discovery API that supports user-friendly search features like highly relevant result sets, flexible natural language querying and faceted browsing of search results. Combined with the ability to query holdings data by library and geographic information, the API provides a comprehensive solution to extend your existing resource discovery services or build your full library discovery system.

Who Can Use It

The WorldCat Discovery API is currently available as a beta for a select number of libraries using WorldCat Discovery Services. It is not yet in general release or available for use by commercial partners.

Authentication & Authorization

The WorldCat Discovery API supports the Access Token patterns.

We are a worldwide library cooperative, owned, governed and sustained by members since 1967. Our public purpose is a statement of commitment to each other—that we will work together to improve access to the information held in libraries around the globe, and find ways to reduce costs for libraries through collaboration. Learn more »