Scott Klements YAJL Rest API's

I'm setting out to establish a POC for our company using SK's guide at

https://www.common.org/scotts-iland-blog/rpg-and-yajl/

I have the http server created and running.
I have YAJL deployed to the i.
I have YAJLCALLR compiled into YAJLREST lib.

I'm trying to logically progress down the path in small steps so I can
understand the moving pieces.

When I invoke from the browser... http://ourSystem:port/rest/YAJLCALLR I
would expect to at least see the *pgm object of YAJLCALLR last used date
set to today instead of remaining blank?

I'm at a loss (early in the game unfortunately) as to what I'm missing.
The good news is that I have written many YAJL rpg pgms at another employer
who had already had the endpoint setup - though slightly different than
what Scott shows in his guide.

So if I can just get over this initial configuration hump, I'm thinking I
should be home free.

Any help would be appreciated,

Jay