/v0-integrations

v0 and Marketo integration: Step-by-Step Guide 2025

Discover our step-by-step guide on integrating v0 with Marketo. Learn best practices and troubleshooting tips for seamless marketing automation.

Matt Graham, CEO of Rapid Developers

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How to integrate v0 with Marketo?

 

Creating the Marketo Integration File

 
  • Create a new file named marketoIntegration.ts in your project’s src folder. This file will contain all the TypeScript code needed to load and initialize the Marketo Munchkin script, as well as send event data.

// marketoIntegration.ts

// Declare the global Munchkin object so TypeScript knows about it
declare global {
  interface Window {
    Munchkin: any;
  }
}

/**
- Loads and initializes the Marketo Munchkin script.
- @param marketoId - Your Marketo account ID.
 */
export function initializeMarketo(marketoId: string): void {
  // Prevent adding the script multiple times
  if (document.getElementById('marketo-munchkin')) {
    console.warn('Marketo Munchkin script already exists.');
    return;
  }

  // Create a new script element to load the Marketo script
  const script = document.createElement('script');
  script.id = 'marketo-munchkin';
  script.type = 'text/javascript';
  // The Marketo Munchkin URL with your account ID as a query parameter
  script.src = https://munchkin.marketo.net/munchkin.js?munchkinId=${marketoId};
  script.async = true;

  // When the script loads, initialize Marketo
  script.onload = () => {
    if (window.Munchkin) {
      window.Munchkin.init(marketoId);
      console.log('Marketo Munchkin initialized.');
    } else {
      console.error('Marketo Munchkin failed to load.');
    }
  };

  document.head.appendChild(script);
}

/**
- Sends a custom tracking event to Marketo.
- @param eventName - The name of the event to track.
- @param eventData - An object containing any data related to the event.
 */
export function trackMarketoEvent(eventName: string, eventData: { [key: string]: any }): void {
  if (window.Munchkin && typeof window.Munchkin.munchkinFunction === 'function') {
    window.Munchkin.munchkinFunction('click', eventName, eventData);
  } else {
    console.warn('Marketo Munchkin is not initialized.');
  }
}

 

Integrating Marketo into Your Application Entry Point

 
  • Open or create your main entry file (commonly src/index.ts in a v0 TypeScript project).
  • Import the functions from marketoIntegration.ts to initialize Marketo and to send events.
  • Replace YOURMARKETOID with your actual Marketo account ID.

// src/index.ts

import { initializeMarketo, trackMarketoEvent } from './marketoIntegration';

// Replace 'YOURMARKETOID' with your actual Marketo ID.
const marketoId = 'YOURMARKETOID';

// Initialize the Marketo integration.
initializeMarketo(marketoId);

// Example: Track an event when a button is clicked.
const someButton = document.getElementById('exampleButton');
if (someButton) {
  someButton.addEventListener('click', () => {
    trackMarketoEvent('Button_Clicked', { buttonId: 'exampleButton' });
  });
}

 

Adding the Example HTML Element

 
  • In your main HTML file (for example, index.html), add an HTML element that triggers the Marketo event. This example uses a button with the ID exampleButton.
  • Make sure your HTML file loads the compiled JavaScript (typically from the dist folder).

<!-- index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>v0 Project with Marketo Integration</title>
</head>
<body>
  <button id="exampleButton">Click Me</button>
  <script src="dist/index.js"></script>
</body>
</html>

 

Notes on Dependency Management in v0

 
  • Since the v0 project environment does not have a terminal, you cannot install packages via npm. Instead, the Marketo integration code directly injects the Marketo Munchkin script from Marketo’s CDN, so no additional package installations are required.
  • If any other external libraries are needed in the future, consider including them via a similar script injection or by copying their code into your project.

 

Testing the Marketo Integration

 
  • Open your project in a browser.
  • Click the "Click Me" button to trigger the trackMarketoEvent function and observe the console for logs indicating the event was tracked.
  • Check your Marketo account to verify that the event data is being received as expected.

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