Here are the parameters you need to connect to UKG Pro.
URL: e.g. https://serviceservice2.ultipro.com Ref - https://developer.ukg.com/hcm/docs/web-service-account#service-endpoints
API Key: Consumer API Key associated with your UKG web service account. The Pro Customer API key which is unique to each Pro HR Tenant and can be found by navigating to System Configuration > Security > Web Services and referring to the value for
Customer API Key.Username: UKG web service account username
Password: UKG web service account password
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