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OCLC APIs

If you’re ready to get down to the details of OCLC APIs, 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 our APIs.

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OCLC service name

  • WorldCat Registry

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  • Production

    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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