Web Services

  • WMS Collection Management API

    WMS Collection Management API

    Developer-level access to WorldCat Local Holding Records (LHRs), with the ability to retrieve, create, update, and delete this information. LHRs let you add your local collection information, such as call numbers, location, notes and more.

    • Status: Production
    • Sandbox access: Yes

    What you get

    Retrieve and update copy and local holding record information for circulating items within WMS.

    Who can use it

    Sandbox access to this API is available to anyone. Production access is available for libraries that use OCLC's WorldShare Management Systems.

    Commercial partnerships are also available.

    Authentication & Authorization

    The WMS APIs supports the WSKey HMAC Signature and Access Token patterns.

    API requests also require attribution to a WorldShare user. Details about on user-level authorization are available in the authentication and authorization overview.



    API access to

    Service categories


    This web service has no recent news items.

    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 »