Javascript + jQuery Expert for AJAX

Hello, I'm try to doing about balance transfer wallet in my frontend for the auto transfer such i have total 4 wallets we called it like WM, SA, DG, MW for all wallets will have api for check balance & transfer Example API http://localhost/WM/checkBalance http://localhost/WM/transfer http://localhost/SA/checkBalance http://localhost/SA/transfer http://localhost/DG/checkBalance http://localhost/DG/transfer http://localhost/MW/checkBalance http://localhost/MW/transfer I want to make function like AJAX call when you want to transfer money from wallet to other wallet just run function like transfer(MW) so script will go run check balance DG, SA, WM and if response success & have balance > 0 transfer from wallet to wallet