Welcome to the forum
. Cute frog!
Here is a care sheet for you.
Frog Forum - Pacman and Horned Frogs - Ceratophrys - Care and Breeding
Basics needs:
-Temp 80-82'F (heat source - with uth heat pad for side wall or 50watt red heat bulb and a done lamp with a dimmer)
-Humidity 80%
-Dechlorinator for water
-Calcium with vitamin D3 supplement
-MVI supplement (I prefer Repashy plus calcium)
-Eco earth coconut fiber (not husk) substrate or paper towels
-Crickets, earth worms, night crawlers (cut to size)
-Food and gel water for crickets and a container to keep them in
-Shallow water bowl for soaking
-12" tongs if going to teach him to tong feed
-Misting/spray bottle or automatic mister or fogger
Hope I didn't forget anything.
Grif? Any extras?