# Envelope Subscribe

> A newsletter signup where the submit button melts into an envelope, folds, and flies off with a particle trail before a check mark draws itself. A resend countdown follows. Reduced motion falls back to short fades.

- Author: [Holo](https://21st.dev/@vovalopuh13)
- License: mit
- Tags: Form, Newsletter, CTA, Subscribe
- npm dependencies: gsap, @gsap/react, lucide-react
- Live preview: https://21st.dev/@vovalopuh13/components/envelope-subscribe

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/vovalopuh13/envelope-subscribe?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/form.md