# WorldCat Knowledge Base API

**Canonical:** https://apis.io/apis/worldcat/worldcat-knowledge-base-api/  
**Provider:** WorldCat — https://apis.io/providers/worldcat/  
**Base URL:** https://worldcat.org/webservices/kb  
**Documentation:** https://www.oclc.org/developer/api/oclc-apis/worldcat-knowledge-base-api.en.html

WorldCat Knowledge Base API is one of 20 APIs that [WorldCat](https://apis.io/providers/worldcat/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Knowledge Base, E-resources, OpenURL, Libraries, and Subscription. The published artifact set on APIs.io includes API documentation.

Provides developer-level access to a library's information in the WorldCat Knowledge Base, combining data about a library's e-content with access through linking features. Supports OpenURL requests for matching citations and retrieving access links, and REST requests for browsing and searching library subscription resources.

## Machine-readable artifacts (2)

- **Documentation** — https://www.oclc.org/developer/api/oclc-apis/worldcat-knowledge-base-api.en.html
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/worldcat/refs/heads/main/apis.yml

## Other WorldCat APIs (12)

- [WorldCat Bibliographic Resources API](https://apis.io/apis/worldcat/worldcat-bibliographic-resources-api/)
- [WorldCat Local Bib Resources API](https://apis.io/apis/worldcat/worldcat-local-bib-resources-api/)
- [WorldCat Local Holdings Resources API](https://apis.io/apis/worldcat/worldcat-local-holdings-resources-api/)
- [WorldCat Manage Bibliographic Records API](https://apis.io/apis/worldcat/worldcat-manage-bibliographic-records-api/)
- [WorldCat Manage Institution API](https://apis.io/apis/worldcat/worldcat-manage-institution-api/)
- [WorldCat Manage Local Bibliographic Data API](https://apis.io/apis/worldcat/worldcat-manage-local-bibliographic-data-api/)
- [WorldCat Manage Local Holdings Records API](https://apis.io/apis/worldcat/worldcat-manage-local-holdings-records-api/)
- [WorldCat Member Enabled Collections API](https://apis.io/apis/worldcat/worldcat-member-enabled-collections-api/)
- [WorldCat Member Enabled Providers API](https://apis.io/apis/worldcat/worldcat-member-enabled-providers-api/)
- [WorldCat Member Enabled Title by OpenURL API](https://apis.io/apis/worldcat/worldcat-member-enabled-title-by-openurl-api/)
- [WorldCat Member Enabled Titles API](https://apis.io/apis/worldcat/worldcat-member-enabled-titles-api/)
- [WorldCat Member Enabled Titles by OpenURL API](https://apis.io/apis/worldcat/worldcat-member-enabled-titles-by-openurl-api/)

## Tags

Knowledge Base, E-resources, OpenURL, Libraries, Subscription

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/worldcat/worldcat-knowledge-base-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/worldcat/.