Filter projects based on the most recent created_on
An example from our demo server could be checked here:
https://demo.redmineup.com/projects.json?offset=0&limit=10&set_filter=1&f[]=created_on&op[created_on]=%3E=&v[created_on][]=2012-01-01
Note: Please keep in mind that the credentials for our demo server are user: admin and pass: admin.
And the result is this one: