Revised: November 7, 2022
In Primo VE, a WorldCat search slot can be configured using the WorldCat API as a third-party index.
If you have enabled the WorldCat API search scope slot in Primo VE, but it is not returning any results, check the following:
Check that the correct WorldCat API key has been input into Alma here:
Alma Configuration > Discovery > Search Configuration > Search Profiles > Other Indexes tab > WORLDCAT_API
See also the OCLC Developer Network WorldCat Search API documentation.