YorSearch Library Discovery (Ex Libris Primo)
YorSearch is the University of York library discovery service, built on the Ex Libris Primo platform with an Alma library services backend (view id 44YORK-NUI). Primo exposes programmatic discovery via its REST and PNX/X-Services interfaces; access is not openly documented by the university and typically requires institutional credentials or an Ex Libris API key. The discovery UI is confirmed live (HTTP 200).