I'm trying to dump Concur and switch us to Expensify. We need report header and report lines imported into our Salesforce accounting system. It's not Financial Force though, so I need to use the API. I looked at zapier.com which has a connector... but it only exports reports as PDFs, which is useless to me. I use Microsoft Flow for all sorts of things and can roll my own HTTP connector. I've tested it against a single report ID and get back a 200 status. So where's my JSON formatted report data? The documentation really emphasizes files like CSV, Excel, etc. and those files being saved to expensify.com. Can I really not get JSON formatted report header and line data returned to me from an API call?
My super basic request is below. What am I missing?