EasyPost is a shipping API that simplifies the process of sending packages. It allows businesses to integrate shipping functionalities into their applications, making it easier to manage shipping labels, track packages, and calculate shipping rates. With EasyPost, users can access multiple carriers, such as UPS, FedEx, and USPS, all through a single platform. This streamlines logistics for e-commerce companies and helps them provide better shipping options to their customers. The service is designed to save time and reduce errors in the shipping process.