From the Counterpoint Integrator main menu, select Setup->API Order Import.
In the API Order Import window you'll find a dropdown box labeled "CP8 Payment Type". Select the new paycode from the CP8 Payment Type dropdown box.
Note, only payment types of CASH will be listed.
After new payment code has been selected, click on the "Save" button and close. Now you should restart the Integrator window services.
From the Integrator main menu, select Service->Restart.