# Copy Button - Variants

> CopyButton with crossfade animation between two state/content

- Author: [Zachary BENSALEM](https://21st.dev/@zochory)
- Library: [hax-design](https://21st.dev/@zochory/library/hax-design)
- License: unknown
- Live preview: https://21st.dev/@zochory/components/copy-button-variants

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/zochory/copy-button-variants?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