Here are a few slides to illustrate data structure in the reporting API results.
First is an example report in the UI, including the tabular data you can find at the bottom of the report as an inset:
Here we see the JSON for the report, with a set of data columns that correspond to the report dimensions:
Finally, we see how the columns of data from the JSON correspond to the columns of data from the original report:
For more information on how to utilize the CloudHealth API, see: https://apidocs.cloudhealthtech.com/