# Field Validation

> A set of styled form-field wrappers (valid, invalid, warning, hint and live) that pair a label and input with a validation message wired through aria-describedby and aria-invalid.

- Author: [ai 2](https://21st.dev/@ai2)
- Library: @ai2
- License: MIT
- Tags: Input, Form, Email, Field, Validation
- npm dependencies: lucide-react
- Live preview: https://21st.dev/@ai2/components/field-validation

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/ai2/field-validation?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/input.md