WorldCat Metadata API | OCLC Developer Network

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To determine what you need to change, please refer to the <a href="https://developer.api.oclc.org/wc-metadata-v2?_gl=1*x3rtrt*_gcl_au*NjI3Nzg5MDgyLjE3MTIzMzgzNDQ.">technical documentation.</a> For assistance, contact <a href="https://help.oclc.org/Librarian_Toolbox/Contact_OCLC_Support/Contact_OCLC_Support_in_your_region">OCLC Customer Support.</a></p> <p>To compare functionality of the WorldCat Metadata API versions 1.x and 2.0, please refer to the <a href="/content/dam/developer-network/worldcat-metadata-api/worldcat-metadata-api-functionality-comparison.pdf" title="View the comparison table">functionality comparison table</a>.</p> </div> </div> </div>  </div> <div class="text parbase section"> <p>This service allows libraries to search, retrieve and maintain their bibliographic, local bibliographic, holdings, and local holdings data in WorldCat. Additionally, libraries can search for and view summary holdings and shared print retention information from members throughout the cooperative. </p> <h2>What you get</h2> <ul> <li>Keep local data synchronized with the cooperative.</li> <li>Dynamic discovery of shared print retention data.</li> <li>Enhance local metadata descriptions.</li> <li>Maintain shared print commitments.</li> <li>Share detailed local holdings information with the cooperative.</li> <li>Showcase your unique local materials.</li> <li>Expose your cataloguing expertise to the cooperative.</li> <li>Find the most popular Library of Congress and Dewey classification numbers for a bibliographic record.</li> </ul> <h2>Who can use it</h2> <ul> <li>Libraries that maintain a OCLC Cataloging and Metadata subscription (full cataloging)</li> </ul> </div> </div> </div> </div> <div class="parsys_column cq-colctrl-lt2-r-c1"> <div class="parsys col1"> <div class="text parbase section"> <div class="web-service-cta"> <p><a href="https://developer.api.oclc.org/wc-metadata-v2">Try the API »<br /> <span class="web-service-cta-xtra">Interact with this API</span></a></p> <p><a href="https://platform.worldcat.org/wskey/">Request a key »<br /> <span class="web-service-cta-xtra">Request and manage your WSKeys</span></a><br /> <span class="web-service-account"> <a href="https://www.oclc.org/developer/api/oclc-apis.en.html"></a></span> </p> </div> </div> <div class="text parbase section"> <h4>API access to</h4> <ul> <li><a href="https://www.oclc.org/en/worldcat.html">WorldCat</a></li> </ul> <h4>Service categories</h4> <ul> <li><a href="https://www.oclc.org/developer/api/oclc-apis.metadata.en.html">Metadata services</a></li> </ul> </div> <div class="par2 parsys"><div class="showhide parbase section"> <div class="show-hide show-hide-small"> <h3 class="show-hide-trig show-hide-closed" title="">Videos</h3> <div class="show-hide-cont parsys"><div class="text parbase section"> <ul> <li><a href="https://www.youtube.com/watch?v=GipHY_ZgAKU">Introducing the WorldCat Metadata API</a><br /> </li> </ul> </div> </div> </div> </div> <div class="showhide parbase section"> <div class="show-hide show-hide-small"> <h3 class="show-hide-trig show-hide-closed" title="">News</h3> <div class="show-hide-cont parsys"><div class="newslist parbase section"> <div> <p class="list-empty">This web service has no recent news items. </p> <p> <span class="link-more"> <a></a> </span> </p> </div> </div> </div> </div> </div> <div class="showhide parbase section"> <div class="show-hide show-hide-small"> <h3 class="show-hide-trig show-hide-closed" title="">Presentations</h3> <div class="show-hide-cont parsys"><div class="text parbase section"> <ul> <li><a href="/content/dam/developer-network/Presentations/metadataapiworkshop28aug13.pdf">WorldCat Metadata API Workshop Slides</a></li> </ul> </div> </div> </div> </div> <div class="text parbase section"> <h4><strong>More information</strong></h4> <p><a 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