When building an e-commerce solution it is important to have the correct delivery details of your customers. By doing so you ensure the orders are being sent to the correct address, decreasing the number of lost parcels and returns. Your customers will be happy and in turn, you will be happier. There are a number of service providers that can help you complete and validate your customers details. The most typical application is to lookup an address from a partial entry, helping a user complete their details, speeding up the process of registration.