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How to open a URL by clicking a data point in Python Plotly?

Vani Nalliappan

Updated on 26-Mar-2026 3K+ Views

In Python Plotly with Dash, you can create interactive scatter plots where clicking a data point opens a specific URL. This is achieved by storing URLs as custom data and using Dash callbacks to handle click events. Setting Up the Dashboard First, import the required libraries and create a Dash application − import webbrowser import dash from dash.exceptions import PreventUpdate from dash import dcc, html from dash.dependencies import Input, Output import plotly.express as px import pandas as pd # Create Dash app app = dash.Dash(__name__) Creating Data with URLs Create a DataFrame ...