In reply to Ariel.

The endpoints and their meaning are documented in the Admin Guide:

https://go.documentation.sas.com/?cdcId=calcdc&cdcVersion=3.5&docsetId=calatf&docsetTarget=n0o6xx292jn2jmn1pnj3s3oqcebw.htm&locale=en

I believe it is one or both of these:

Export data from reports.
/reportData_capabilities/exportData

Export detail data from reports.
/reportData_capabilities/exportDetailData