You can make REST calls to create, update, delete, and search for base object records and related child records in a business entity. You can perform operations, such as merge, unmerge, and match records. You can make REST calls to create, update, and search for tasks and perform tasks. You can also make REST calls to create, update, and delete files, such as attachments for tasks or records.

A REST business entity service call is a web service request in the form of a Uniform Resource Locator (URL). The MDM Hub assigns a unique URL for each base object in a business entity. You can use the unique URL to identify which base object to update or delete.