Platform Architecture

OCLC is working to provide machine access to many of our core services. Learn how we build our Web services, APIs and data sources. 


Our Web services enable machine access to the core products and services that OCLC provides to its members, from WorldCat metadata to WorldShare systems, our suite of APIs provides a consistent developer experience.  

HTTP at the core

When we design an API, we leverage HTTP to the greatest possible extent. See how our REST architectual style allows us to

Library-driven API strategy  

Our Web services strategy is designed to support existing standards used by libraries and within the library industry. Where we must develop original APIs, we leverage consistent approaches to AtomPub-based web services and Linked Data to create natural integration opportunities for OCLC members and their partners.