Integrating bKash Payment Gateway in Core PHP Website

In today's digital age, offering convenient and secure payment options is crucial for online businesses. bKash, a popular mobile financial service in Bangladesh, provides a seamless payment solution. In this tutorial, we will explore how to integrate the bKash payment gateway into a website using core PHP.

Step 1: Obtaining bKash Credentials Before getting started, you'll need to register for a bKash account and obtain the necessary credentials. Visit the bKash website and sign up for an account. Once registered, navigate to the bKash Developer Portal to obtain your API credentials, including the merchant ID, username, password, and IPN (Instant Payment Notification) callback URL.

Step 2: Setting Up the Development Environment Ensure you have a development environment set up on your local machine or server. You'll need a web server (such as Apache) with PHP installed.

Step 3: Creating the Payment Form Create a PHP file, e.g., "payment.php," that will serve as the payment form. Inside this file, add an HTML form with the necessary fields to collect customer information such as name, email, phone number, and the payment amount. Also, include a hidden field for the bKash merchant ID.

Step 4: Generating Payment Request In the "payment.php" file, process the form submission and generate a payment request to bKash using the provided credentials and customer details. This involves constructing an API request URL with the necessary parameters, including the merchant ID, transaction amount, callback URL, and customer information.

Step 5: Handling IPN Callback Create a PHP file, e.g., "ipn.php," to handle the Instant Payment Notification (IPN) callback from bKash. This file should validate the authenticity of the IPN request and update the payment status in your database or perform any necessary business logic.

Step 6: Redirecting to bKash Payment Page Once the payment request is generated in step 4, redirect the customer to the bKash payment page by sending an HTTP redirect response with the constructed URL. This will allow the customer to complete the payment securely on the bKash platform.

Step 7: Verifying Payment Status After the customer completes the payment on the bKash platform, they will be redirected to the callback URL specified in step 3. In the "ipn.php" file, retrieve the transaction details from the callback request and verify the payment status using the bKash API. Update the payment status in your database accordingly.

Step 8: Confirmation and Order Processing Once the payment status is verified, display a confirmation message to the customer and process their order or provide access to the purchased product or service.

Integrating the bKash payment gateway into your website using core PHP can enhance the user experience and enable seamless transactions. By following the steps outlined in this tutorial, you can easily integrate bKash and offer a secure payment option to your customers.

Remember to ensure the security of your implementation by validating and sanitizing user inputs, protecting API credentials, and using secure communication protocols.

With bKash integration, your website can provide a reliable and widely recognized payment method, boosting customer trust and satisfaction.

Disclaimer: This blog provides a general overview of integrating the bKash payment gateway into a website using core PHP. Please refer to the bKash Developer Documentation for detailed API specifications and best practices.

That concludes the example blog on integrating the bKash payment gateway in core PHP. Feel free to customize it further based on your preferences and requirements.