# Sankey Diagram

> An animated flow diagram that visualizes how values move between nodes (e.g. traffic sources through landing pages to checkout), with hover highlighting and tooltips.

- Author: [bklitai](https://21st.dev/@bklitai)
- Library: [Bklit](https://21st.dev/@bklitai/library/bklit)
- License: no-license
- Tags: Chart, Data Visualization
- npm dependencies: motion, @visx/event, @visx/sankey, @visx/responsive
- Live preview: https://21st.dev/@bklitai/components/sankey-chart

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/bklitai/sankey-chart?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/chart.md