# OTP PIN Field

> A 4-digit one-time-password input styled as a labeled form field, used for PIN code entry and verification flows.

- Author: [Sean Hello](https://21st.dev/@sean0205)
- Library: [ReUI](https://21st.dev/@sean0205/library/reui)
- License: MIT
- Tags: OTP, Input OTP, Verification
- npm dependencies: input-otp
- Live preview: https://21st.dev/@sean0205/components/c-input-otp-5

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/sean0205/c-input-otp-5?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/otp.md