connecting UberEat, Grubub and DoorDash to winui3 C#

A simple program that hooks up with UberEat, GrubHub and Doordash APIs. The program should show all orders from all companies as they come with the ability to decline or approve the orders. The program should be implemented in either UWP, WPF but preferably in winui3 MicrosoftWindowsApp SDK. The code should be simply and the program must be reliable and never freezes.