I'm trying to load application usage information from my OS X application into Splunk Cloud. I've seen mint.splunk.com, and something like that would be almost exactly what I'm looking for. Unfortunately, Mint is iOS-specific (the framework links against UIKit), so I have to build something myself. I have my data assembled and when loaded into Splunk via a file upload, I get the results I'm looking for. I'm struggling with uploading data directly from the application to Splunk Cloud (I have a Cloud trial right now).
With other analytics services, there is an API that you can use to submit data directly from the client to the server. I thought that the Splunk REST API would offer that kind of functionality, but I can't seem to get it working with Splunk Cloud, e.g.: