Activating the API is either free or has some fees according to the service provider's plans.
When the interface is done codes have to be added to the services in the SportID system. Codes are generated by Your cashier system.
Choose "Sales & services" -- "Services", click on the service and then on "Manage service in points of sale".
In the next view please click on the button "Add code"
Write the service code into the gap (or replace existing code) and click on the green tick to save.
Please make sure that in front of or after the number won't be any spaces.
Now You can sell the tickets using entered service codes.