# JSON Viewer

> A collapsible tree view for rendering a JSON payload, such as an API response or webhook body, with per-branch expand/collapse and a code-style colour palette for strings, numbers and literals.

- Author: [klyv-ui](https://21st.dev/@klyv-ui)
- Library: Klyv-UI
- License: MIT
- Tags: JSON, Tree, Collapsible, Developer Tool
- Live preview: https://21st.dev/@klyv-ui/components/json-viewer

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/klyv-ui/json-viewer?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/json.md