Issue
I can find out just about everything about my Jenkins server via the Remote API, but not the list of currently running jobs.
http://my-jenkins/computer/api/json
or
http://my-jenkins/computer/(master)/api/json
Would seem like the most logical choices, but they say nothing (other than the count of jobs) about which jobs are actually running.
Solution
I have a view defined using View Job Filters Plugin that filters just currently running jobs, then you can use /api/json
on the view page to see just the jobs that are running. I also have one for aborted, unstable, etc.
UPDATE
Select Edit View → Job Filters → Add Job Filter ▼ → Build Statuses Filter
Build Statuses: ☑ Currently Building
Match Type: Exclude Unmatched - ...
Answered By - Larry Shatzer
Answer Checked By - David Goodson (JavaFixing Volunteer)