To add APES token to your Matamask wallet, firstly you need to add Polygon network if you don't have it yet.
2. You’ll need to add the following details on the [Add a network] page that will open. Click [Save] when you’re finished.
Network Name: Polygon
New RPC URL: https://polygon-rpc.com
Chain ID: 137
Currency Symbol: MATIC
Block Explorer URL: https://polygonscan.com/
Click [Add Network] on the pop-up.