[subdomain]: This is the company ID that you created when you signed-up. It will appear on the upper left when logged into CATS.
[transaction_code]: Create and manage transaction codes from within CATS by logging in and clicking on the "Settings" tab, then "User Management" (in the blue bar).
Parameters
Note that parameters can be transmitted through the GET or POST specifications in accordance with HTTP 1.1.
Example using GET: [Base URL]?[parameter]=[value]
Required
Parameter
Description
Type
Size
YES
guid
GUID value returned by functions like get_attachments