Postmates app is an American-based start-up that aims at delivering services to people including meals, groceries, and other basic products. So the question arises: How does postmates work? Postmates make users register in the app to acquire basic details of the user like Name, Contact details, and then select the required products and add to the cart followed by the payment option after which the order is accepted. Postmates app guarantees to deliver the products within a one-hour duration. The user can track the order to know the location and time it will take to reach his doorstep.