The Vonage API Developer Platform was migrated from Ruby on Rails to Vue.js as part of an effort to unify the company's JavaScript frameworks and improve code reusability. The migration involved migrating four React components, including a feedback widget, search bar, SMS character counter, and JWT generator, into Vue.js. The choice of Vue.js was driven by its simplicity, ease of use, and compatibility with classic web technologies. The migration process involved iterative testing and validation to ensure the new components worked as expected. The new component, SMS character counter, was built using single-file components, computed properties, and conditionals, which simplified the rendering logic compared to React. The migration demonstrated the benefits of using a unified JavaScript framework across the company's applications, improving code reusability, maintainability, and scalability.