Web Services

If you’re ready to get down to the nitty gritty of OCLC web services, you’re in the right place. Find documentation for API URLs, content negotiation options, response formats and sample requests. Prefer to learn by doing? Try an API using our API Explorer.

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  • WorldCat Registry

Web Services

    WorldCat Registry

    • Status: Production
    • Sandbox access: Yes

    Developer-level access to information in the Worldcat Registry: a free global directory for libraries, consortia, archives and museums. (http://www.worldcat.org/registry/institutions)

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