# Signal 404

> A full-screen 404 page with a live generative glyph field and an oversized difference-blended numeral.

- Author: [indukto](https://21st.dev/@gamerjon00)
- License: mit
- Tags: 404, Error Page, Canvas, Generative
- Live preview: https://21st.dev/@gamerjon00/components/signal-404

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/gamerjon00/signal-404?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/404.md