# Credit Card Input

> A compound card-number, expiry and CVC input row that detects the card brand, groups digits per brand, validates with a Luhn check and expiry rules, and auto-advances focus between fields.

- Author: [Mohammad Shehadeh](https://21st.dev/@mohammadshehadeh)
- Library: [Hirael](https://21st.dev/@mohammadshehadeh/library/hirael)
- License: MIT
- Tags: Credit Card, Payment, Checkout, Form, Input
- npm dependencies: lucide-react
- Live preview: https://21st.dev/@mohammadshehadeh/components/credit-card-input

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/mohammadshehadeh/credit-card-input?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/credit-card.md