# Liquid Fill Text

> Letters drawn as glass vessels with liquid inside. It pours up to its level the first time it scrolls into view and runs in or out when the level changes. The surface rolls in two layers with a bright meniscus, sideways cursor shakes slosh it on a loose spring, a click stirs it, and bubbles rise and pop at the waterline. Single-line SVG that inherits your font and scales to its container.

- Slug: `liquid-fill-text`
- Category: [Text effects](https://www.assembli.design/category/text-effects.md)
- Type: component
- Tags: typography, liquid, wave, fill, svg, progress, headline, motion
- npm dependencies: motion
- shadcn/ui dependencies: none
- Added: 2026-10-25
- Live preview: https://www.assembli.design/preview/liquid-fill-text
- Page: https://www.assembli.design/components/liquid-fill-text

## Install

One-time setup (needs a subscription):

1. Add the registry to the project's `components.json`: `{"@assembli":{"url":"https://www.assembli.design/r/{name}.json","headers":{"Authorization":"Bearer ${ASSEMBLI_API_KEY}"}}}` (merge into `"registries"`).
2. Put an API key from https://www.assembli.design/account in `.env.local` as `ASSEMBLI_API_KEY=asm_…`.

Then install with the shadcn CLI (writes `components/liquid-fill-text/liquid-fill-text.tsx` and installs dependencies):

```bash
npx shadcn@latest add @assembli/liquid-fill-text
```

Registry item JSON: https://www.assembli.design/r/liquid-fill-text.json (send `Authorization: Bearer <api key>`)

## Code

> Component source needs an Assembli subscription ($12/month) and an API key sent as `Authorization: Bearer <key>`. To get one without copying anything, POST https://www.assembli.design/api/agent/login (or call the MCP tool connect_account), show the user the link it returns, and poll https://www.assembli.design/api/agent/token for the key. Or subscribe at https://www.assembli.design/pricing and create a key at https://www.assembli.design/account.