# Sign in

> Sign in flow with shadcn/ui components

- Author: [Serafim](https://21st.dev/@serafimcloud)
- License: mit
- Tags: Sign in
- Live preview: https://21st.dev/@serafimcloud/components/sign-in

## Install

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