Reportable REST API: HTTP GET response in json fromat
One answer
Looks like ETM (RQM) supports json using Accept: application/json https://jazz.net/wiki/bin/view/Main/RqmApi#HTTP_GET_Requests but no mention for DN https://jazz.net/wiki/bin/view/Main/DNGReportableRestAPI or EWM https://jazz.net/wiki/bin/view/Main/ReportsRESTAPI in their API specifications