# Help Popper

> Sidebar help button with a promo card that glides into it when hidden: the button then wears a blue dot and bounces, and its menu keeps the docked card plus what's new.

- Author: [Serafim](https://21st.dev/@serafimcloud)
- License: mit
- Tags: Popover, Sidebar
- npm dependencies: @radix-ui/react-popover
- Live preview: https://21st.dev/@serafimcloud/components/help-popper

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/serafimcloud/help-popper?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/popover.md