WorldCat knowledge base API

A read-only service for e-resource discovery and linking. Provides developer-level access to a library's information in the WorldCat knowledge base. The WorldCat knowledge base combines data about your library's econtent with access to it through linking features.

  • Status: Production
  • Sandbox access: Yes

What you get

OpenURL requests provide

  • Matches for article, journal, or ebook citations to the specific access points for that content available to an individual library
  • Links to electronic materials with all appropriate account identifiers. So you can provide access to the content your library subscribes to, in one click.
  • Any proxy information necessary to get an end user to full text content

REST request types provide

  • An entry point to browse a library's subscription resources
  • Browse and search features similar to an A to Z list

Who can use it

Sandbox access to this API is available to anyone. Production access is available for libraries that use OCLC's WorldCat Knowledge base.

Commercial partnerships are also available.

Authentication & Authorization

The WorldCat Knowledge base API API supports the WSKey Lite pattern.

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 »