In order to add MundoMedia as the CPAPI source you need to:
1) Click on Demand source > New Demand Source:
2) Use Search to choose MundoMedia network type:
3) Fill in the fields with API credentials. All Affise macros are available under Show macros, in order to get accurate MundoMedia Network macro list, please, contact their support team.
4) After successful adding the new source you would see Ready status of the source.
Your next step would be Creating a Campaign. Please follow these instructions.
Should you need any further assistance regarding CPAPI, please, contact firstname.lastname@example.org.