# audx > UI sound effects for React and the web, as code you own. 43 semantic interaction sounds in 4 themes, synthesized with the Web Audio API. - [Introduction](https://docs.audx.site/index.md): UI sound effects for React and the web, as code you own. - [Quickstart](https://docs.audx.site/quickstart.md): Add UI sounds to your app in under a minute. - [Use with React](https://docs.audx.site/guides/react.md): Play sounds from components with SoundProvider and useSound, and give users a sound setting. - [Themes](https://docs.audx.site/guides/themes.md): Change the personality of every sound in your app with one command. - [Custom themes](https://docs.audx.site/guides/custom-themes.md): Fork a built-in theme into a JSON file, tune it, and apply it to every sound in your app. - [Designing sounds](https://docs.audx.site/guides/designing-sounds.md): Build sounds from sources, envelopes, filters, effects and layers with defineSound. - [Configuration](https://docs.audx.site/guides/configuration.md): audx.json, the sound registry, and how the CLI adapts to your project. - [CLI](https://docs.audx.site/reference/cli.md): Every audx command, flag and alias. - [Sound catalog](https://docs.audx.site/reference/sounds.md): The 43 semantic sounds every built-in theme ships, and when to use each one. - [Core API](https://docs.audx.site/reference/core-api.md): Everything exported from @litlab/audx. - [React API](https://docs.audx.site/reference/react-api.md): Everything exported from @litlab/audx/react. - [Sound definition](https://docs.audx.site/reference/sound-definition.md): Every field of the JSON format that describes an audx sound. ## Optional - [Browse sounds](https://audx.site) - [Showcase](https://audx.site/showcase) - [Changelog](https://audx.site/changelog) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.