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.
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
- Status: Production
- Sandbox access: No
Dewey Linked Data
Access Dewey® linked data properties from the Dewey Decimal Classification® (DDC®)
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API access to: Dewey Services
Dewey Lookup API
Exchange Dewey® linked data URIs for Dewey Decimal Classification® (DDC®) numbers, and vice versa.
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API access to: Dewey Services
Entity Changes API
Learn when there are changes to WorldCat® Entities data.
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API access to: Meridian
Entity Connections API
Integrate linked data in local discovery applications.
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API access to: Meridian
Entity Management API
Create and curate WorldCat® Entities.
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API access to: Meridian
Entity Query API
Use extensive, rich linked data elements for research and analysis.
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API access to: Meridian
Entity Search API
Search for identifiers in WorldCat® Entities that match existing descriptive metadata.
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API access to: Meridian
PID Lookup API
Look up and connect linked data identifiers from many different sources.
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API access to: Meridian
VIAF (Virtual International Authority File)
Access to linked names for the same entity across the world's major name authority files, including national and regional variations in language, character set, and spelling.
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API access to: VIAF
WorldCat Entities Data
Retrieve properties and data for WorldCat Entities.