Explore the concept of UX as an API in this 50-minute Devoxx conference talk. Dive into the booming API economy and discover how API providers can enhance last-mile delivery of data through white-label UI fragments. Learn about key browser technology additions that facilitate easier implementation and consumption of these fragments. Examine real-world cases demonstrating clear return on investment, and witness a live demonstration of a progressive web application built by composing UI fragments while maintaining a unified look. Gain insights into using web standards like pure JS, web components, and recent CSS additions to create fragments that integrate seamlessly with various tech stacks. Acquire valuable knowledge to provide enhanced value for API customers and improve the overall user experience.