Lovable and Bandwidth integration: Step-by-Step Guide 2025

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How to integrate Lovable with Bandwidth?

Adding the Axios Dependency via CDN

Since Lovable does not provide a terminal for dependency installation, add Axios (a promise‐based HTTP client) by inserting the following script tag into your main HTML file (typically index.html) within the <head> section:


<script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>

This enables HTTP requests so you can call Bandwidth’s REST endpoints.

Creating the Bandwidth Service File

Create a new file in your project’s root or an appropriate folder (for example, a folder named "services"). Name the file bandwidthService.ts.
This file will contain the TypeScript code that manages sending SMS messages via Bandwidth.


// bandwidthService.ts

// Replace these placeholder values with your actual Bandwidth API credentials.
const BANDWIDTHAPIKEY = "YOURBANDWIDTHAPI_KEY";
const BANDWIDTHAPISECRET = "YOURBANDWIDTHAPI_SECRET";

// The Bandwidth messaging endpoint URL. You may need to adjust the path based on your Bandwidth account configuration.
const BANDWIDTHSMSURL = "https://messaging.bandwidth.com/api/v2/accounts/YOURACCOUNTID/messages";

// Function to send an SMS message via Bandwidth.
export async function sendSms(to: string, from: string, text: string): Promise {
  try {
    // Combine API key and secret for basic authentication.
    const authToken = btoa(${BANDWIDTH_API_KEY}:${BANDWIDTH_API_SECRET});
    
    // Execute a POST request to the Bandwidth SMS endpoint using axios.
    const response = await axios({
      method: "POST",
      url: BANDWIDTHSMSURL,
      headers: {
        "Authorization": Basic ${authToken},
        "Content-Type": "application/json"
      },
      data: {
        to,
        from,
        text
      }
    });
    
    return response.data;
  } catch (error) {
    console.error("Error sending SMS via Bandwidth:", error);
    throw error;
  }
}

Be sure to replace YOURBANDWIDTHAPIKEY, YOURBANDWIDTHAPISECRET, and YOURACCOUNTID with your actual Bandwidth account information.

Integrating the Bandwidth Service in Your Lovable Project

Decide where in your Lovable project you want to trigger the SMS functionality. For example, if you want to send an SMS when a user clicks a button, open the corresponding TypeScript file (for instance, app.ts or another UI handler file).
Import the sendSms function from bandwidthService.ts and create an event handler that calls it.


// Example usage in your main TypeScript file (e.g., app.ts)

// Import the sendSms function from the Bandwidth service.
import { sendSms } from "./services/bandwidthService";

// Function to handle a button click that triggers an SMS send.
function onSendSmsButtonClick(): void {
  // Replace with the appropriate phone numbers and message text.
  const recipientPhone = "+1234567890";
  const senderPhone = "+0987654321";
  const messageText = "Hello from Lovable integrated with Bandwidth!";

  sendSms(recipientPhone, senderPhone, messageText)
    .then(response => {
      console.log("SMS sent successfully:", response);
      // You can update the UI here to inform the user.
    })
    .catch(error => {
      console.error("Failed to send SMS:", error);
      // Handle errors and update the UI accordingly.
    });
}

// Example: Assume there is a button in your UI with the id "smsButton".
const smsButton = document.getElementById("smsButton");
if (smsButton) {
  smsButton.addEventListener("click", onSendSmsButtonClick);
}

This code sets up an event listener on a button so that when the user clicks it, the SMS is sent using Bandwidth’s API.

Configuring Your Bandwidth API Credentials

Locate where you manage configuration or environment variables in your Lovable project (this might be a config file or a settings section in your code).
For simplicity, the example in bandwidthService.ts uses constant values. In a production environment, consider securely managing these keys (for example, by reading from a secure config file or using encrypted storage).
Update the constants BANDWIDTHAPIKEY, BANDWIDTHAPISECRET, and the URL in BANDWIDTHSMSURL with your actual credentials and account details.

Testing the Integration in Lovable

After saving all changes, open your Lovable project interface and navigate to the part of the UI where the SMS send button was integrated.
Click the button to trigger the onSendSmsButtonClick event and check the browser console for success or error messages.
If the SMS is sent successfully, you will see a success log in the console. If there is an error, review the console output to debug any issues with the API credentials or request parameters.

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