Skip to main content
OCLC Support

Does WorldCat Discovery use z39.50?

  • A provider notified us that they will no longer be supporting the z39.50 protocol.
  • What impact will this have on our WorldCat Discovery site?
Applies to
  • WorldCat Discovery 

WorldCat Discovery does not use Z39.50 to set holdings or surface links.  Instead, Discovery uses Knowledge Base collections to set holdings and surface links. 
Your library's WorldCat Discovery page will not be impacted.

Additional information
Page ID