An Application programming interface or the API, in short, is the functionality of the UPS with integration to a particular business’s website. In another word the API services of the UPS allows the big business models, such as the E-commerce website to provide their customers with an application programming interface for its users.
With the help of API that the users can directly trace the shipping details of the packages or the goods that they have bought from such business models. This system really helps the business organization, and the users on a very large scale, since a customer is always worried about the delivery of their orders.
If you want to have any technical support related to the ASP from the UPS, then you may visit the UPS.COM and, contact the customer care executive who will assist you with any technical issues related to the API.