The United States Postal Service (USPS) is a government agency established in 1970, operating within the federal government sector. With a workforce of approximately 640,000 employees, USPS generates significant revenue, reported at $80,500 million. The agency is responsible for providing postal services across the United States, ensuring the delivery of mail and packages to individuals and businesses. Among its published materials, USPS offers a guide titled "USPS API Cloud Enrollment," which outlines the process for developers to enroll in its application programming interface (API) services. This document serves as a resource for integrating USPS functionalities into external applications, reflecting the agency's commitment to enhancing technological capabilities and facilitating access to postal services. The limited document corpus indicates a focus on operational guides and resources aimed at improving user engagement with USPS digital services. Overall, USPS plays a critical role in the national communication infrastructure, adapting to the evolving needs of its users through various service offerings and technological advancements.