Workday offers over 1,800+ operations, and SAP Open Connectors's Workday connector provides a generic way for you to perform REST calls and metadata for each, presuming you have sandbox privileges.

• You can pull the native Workday operations via GET /objects?fetchAll=true. The operations take the format Service$Operation. See Workday Web Services Directory.
• You can pull metadata on the native Workday operations via GET /objects/{objectName}/metadata API.
• You can perform CRUDS operations using the on native Workday object name.