Checkout SDK overview

The checkout.js JavaScript library allows simple payment integrations for merchant sites.

URL

https://qnbalahli.test.gateway.mastercard.com/checkout/version/53/checkout.js

Functions

configure()

Prepare the library before payment.

showLightbox()

Show a lightbox to complete payment.

showPaymentPage()

Redirect to a hosted payment page to complete payment.

saveFormFields()

A default implementation of a beforeRedirect callback.

restoreFormFields()

A default implementation of an afterRedirect callback.

Callbacks

error

Invoked when error occurs during initiation of payment.

complete

Invoked when payment has been completed.

cancel

When the payer cancels the payment interaction.

timeout

Invoked when the payment is not completed within the duration available to the payer to make the payment.

beforeRedirect

Invoked before browser is redirected away from page.

afterRedirect

Invoked when browser returns to page after redirect.

Example 

<html>
    <head>
        <script src="https://qnbalahli.test.gateway.mastercard.com/checkout/version/53/checkout.js"
                data-error="errorCallback"
                data-cancel="cancelCallback">
        </script>
    
        <script type="text/javascript">
            function errorCallback(error) {
                  console.log(JSON.stringify(error));
            }
            function cancelCallback() {
                  console.log('Payment cancelled');
            }
        
            Checkout.configure({
                session: {
                    id:  '<your_initiate_checkout_session_ID>'
                 },
                order: {
                    description: 'Ordered goods',
                    id: '<unique_order_id>'
                },
                interaction: {
                    merchant: {
                        name: 'Your merchant name',
                        address: {
                            line1: '200 Sample St',
                            line2: '1234 Example Town'
                        }
                    }
                }
            });
            
        </script>
    </head>
    <body>
        ...
    
        <div id="embed-target"> </div>
        <input type="button" value="Pay with Lightbox" onclick="Checkout.showLightbox();" />
        <input type="button" value="Pay with Payment Page" onclick="Checkout.showPaymentPage();" />
    
        ...
    </body>
</html>