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 - Create and manage marimo notebooks
• Cell - Define reactive cells in your notebook

UI Components (mo.ui)

Interactive UI elements for building reactive interfaces:

Input Controls

• button - Interactive button with callbacks
• slider - Numeric slider for value selection
• text - Text input field
• checkbox - Boolean checkbox
• radio - Radio button group
• dropdown - Dropdown selector
• multiselect - Multi-option selector
• date - Date picker
• file - File upload

Data Components

• table - Interactive data table
• dataframe - DataFrame transformer

Advanced Components

• chat - Chatbot interface
• form - Form wrapper for UI elements
• batch - Batch multiple UI elements

Getting Started

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

pip install marimo

Learn More

• marimo Documentation
• GitHub Repository