You are welcome with your UAV in Cape Verde, drone rules are regulated since January 2019.
Maximum take-off weight: No Limit
Maximum hight: 121 meters /400 ft
Maximum horizontal distance: Keep the UAV in visual sight.
Maximum speed: Not above 160 km (100 mph)
Insurance: Not known
Distance Airports / Heliports: 8 km / 4.17 mi.
Night flights: Prohibited
Prohibited: not above people, animals, buildings, railways, waterways, beaches, Pilot may not be in a moving vehicle.
Useful link: Cape Verde’s Civil Aviation Authority
Contact information: firstname.lastname@example.org / +238 260 3430