> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/marimo-team/marimo/llms.txt
> Use this file to discover all available pages before exploring further.

# API Reference Overview

> Complete API reference for marimo reactive Python notebooks

# marimo API Reference

marimo is a reactive Python notebook library that brings notebooks to life with powerful UI elements, dynamic markdown, and seamless interactivity.

## Core API

The marimo library provides three main categories of functionality:

### Application Elements

* **[App](/api/app)** - Create and manage marimo notebooks
* **[Cell](/api/cell)** - Define reactive cells in your notebook

### UI Components (`mo.ui`)

Interactive UI elements for building reactive interfaces:

**Input Controls**

* [button](/api/ui/button) - Interactive button with callbacks
* [slider](/api/ui/slider) - Numeric slider for value selection
* [text](/api/ui/text) - Text input field
* [checkbox](/api/ui/checkbox) - Boolean checkbox
* [radio](/api/ui/radio) - Radio button group
* [dropdown](/api/ui/dropdown) - Dropdown selector
* [multiselect](/api/ui/multiselect) - Multi-option selector
* [date](/api/ui/date) - Date picker
* [file](/api/ui/file) - File upload

**Data Components**

* [table](/api/ui/table) - Interactive data table
* [dataframe](/api/ui/dataframe) - DataFrame transformer

**Advanced Components**

* [chat](/api/ui/chat) - Chatbot interface
* [form](/api/ui/form) - Form wrapper for UI elements
* [batch](/api/ui/batch) - Batch multiple UI elements

## Getting Started

```python theme={null}
import marimo as mo

# Create a marimo app
app = mo.App()

# Define a cell
@app.cell
def __():
    import marimo as mo
    return mo,

# Create UI elements
@app.cell
def __(mo):
    slider = mo.ui.slider(1, 100, value=50)
    return slider,
```

## Installation

```bash theme={null}
pip install marimo
```

## Learn More

* [marimo Documentation](https://docs.marimo.io)
* [GitHub Repository](https://github.com/marimo-team/marimo)