--- title: Coveo Headless library slug: lcdf0493 canonical_url: https://docs.coveo.com/en/lcdf0493/ collection: glossary source_format: adoc --- # Coveo Headless library The {doctitle} is a library for developing Coveo-powered UI components. It works as a middle-layer for applications, opening a line of communication between the UI elements and Coveo. Under the hood, Headless makes API calls to the [Coveo Platform](https://docs.coveo.com/en/186/) to retrieve search results, track user interactions, and manage state.