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The Developer Network helps you learn, experiment and collaborate to put OCLC Web services to work.

Recent news

  • Update to WorldCat Metadata API

    The latest release of the WorldCat Metadata API includes new operations for validating records.

  • Change to xID Services

    xID product including xISBN, xISSN, and xOCLCNum will be retired March 15, 2016.

  • December 2 FAST System Maintenance

    On Wednesday, 2 December 2015, there will be a brief scheduled service downtime for all experimental FAST  
    Web services from 9:00 pm to 11:00 pm EST (-5 GMT).

  • Change to Terminology Services

    OCLC Research will be ending support for the Terminology Services prototype on 20 November 2015.


  • November 8 System Maintenance

    Scheduled maintenence affecting WSKey will occur on 11/8/2015 from 9pm to 10:00 pm EST.

More news »

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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 »