Create Your Own Scalable Bulk SMS Messaging System

by khanariyan in Circuits > Microsoft

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Create Your Own Scalable Bulk SMS Messaging System

sms-connect.png

In this project, we will create a Bulk SMS System that allows users to send text messages to multiple recipients simultaneously. Whether for marketing, notifications, or updates, this DIY bulk SMS system is scalable and cost-effective. Using an SMS gateway like SMSLocal.com and a basic web interface, you can automate sending SMS messages easily. Perfect for businesses, developers, or hobbyists!

Step 1: Materials & Tools

To build your bulk SMS system, you’ll need the following:

  1. A computer or server (Windows, macOS, or Linux)
  2. An SMS gateway account (e.g., SMSLocal.com or MyCountryMobile)
  3. Internet access
  4. Programming knowledge (basic HTML, PHP, or Python)
  5. A database system (e.g., MySQL)
  6. Software tools: Text editor (e.g., VS Code) and a web browser

Downloads

rcs-vs-sms.webp

stop-using-sms.jpg

Step 2: Set Up Your SMS Gateway Account

  1. Register an account on SMSLocal.com.
  2. Obtain your API credentials (API key, username, and password) from the dashboard.
  3. Familiarize yourself with the API documentation for sending SMS.

Step 3: Design the Web Interface

Create a simple HTML form for entering messages and recipient numbers:

html

<!DOCTYPE html>
<html>
<head>
<title>Bulk SMS System</title>
</head>
<body>
<h1>Send Bulk SMS</h1>
<form action="send_sms.php" method="POST">
<label for="numbers">Recipient Numbers (comma-separated):</label><br>
<input type="text" id="numbers" name="numbers" required><br><br>
<label for="message">Message:</label><br>
<textarea id="message" name="message" required></textarea><br><br>
<button type="submit">Send SMS</button>
</form>
</body>
</html>


Step 4: Write the Backend Code

Use PHP to send SMS via the SMS gateway API:

php

<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$numbers = $_POST['numbers'];
$message = $_POST['message'];

$api_url = 'https://api.smslocal.com/send'; // Update based on your SMS provider
$api_key = 'your_api_key';
$sender = 'YourSenderID';

$data = [
'apiKey' => $api_key,
'numbers' => $numbers,
'message' => $message,
'sender' => $sender,
];

$ch = curl_init($api_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$response = curl_exec($ch);
curl_close($ch);

echo "SMS Sent: " . $response;
}
?>


Step 5: Test Your System

  1. Host your files locally or on a server.
  2. Open the form in your browser, enter the recipient numbers and a message, and click "Send SMS."
  3. Check your SMS gateway account to confirm delivery.

Step 6: Scale for High Volume

For high-volume messaging:

  1. Use a database (e.g., MySQL) to store recipient numbers and messages.
  2. Write a script to process messages in batches.
  3. Consider connecting to the SMS gateway via SMPP for better scalability.

Step 7: Improve and Customize

  1. Add features like message scheduling, delivery reports, or group messaging.
  2. Secure your system with authentication and validation to prevent misuse.
  3. Explore advanced frameworks or libraries to enhance the system.

Conclusion

Congratulations! You've built your own bulk SMS system that can be used for various purposes. With services like SMSLocal.com or MyCountryMobile, scaling up your system is easy and reliable. Share your project to help others build their own SMS solutions!