USPS API Migration Webinar Overview

This document is a guide detailing the migration from USPS Web Tools APIs to the new USPS API platform, which is set to retire on January 25, 2026. It outlines the necessary actions for different stakeholders, including direct integrators, third-party providers, and software vendors, emphasizing the importance of migrating to the new APIs to prevent service disruptions. The guide presents key differences between the legacy Web Tools and the new USPS APIs, including the adoption of modern RESTful architecture and OAuth 2.0 authentication. It provides a step-by-step process for migration, including accessing the Developer Portal and testing API requests. Additionally, it highlights the resources available for developers, such as API documentation and example code. The document concludes with reminders about the migration timeline and contact information for support, ensuring that users are well-informed about the transition process and the implications of not migrating in time.