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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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  • WorldCat knowledge baseRemove

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OCLC service area

  • Metadata services

OCLC service name

  • WorldCat knowledge base

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    WorldCat knowledge base API

    • Status: Production
    • Sandbox access: Yes

    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.

    Try the API » Read the documentation »