# Sparkline

> A compact inline chart (line, area, or column) that shows a data trend at a glance inside a KPI card, table row, or dashboard header, with an optional hover tooltip and live-updating value/label.

- Author: [appica-dev](https://21st.dev/@appica-dev)
- Library: @delego
- License: MIT
- Tags: Sparkline, Chart, Trend, KPI, Dashboard
- Live preview: https://21st.dev/@appica-dev/components/sparkline

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/appica-dev/sparkline?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/sparkline.md