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Masterpass guide

Accept payments via Masterpass in your existing Stripe integration.

Mastercard plans to deprecate Masterpass in favor of Secure Remote Commerce, which delivers a unified online checkout experience that supports a number of card brands. There is no hard deadline for the migration at the moment; however, users of Masterpass should migrate their integrations as soon as possible and new integrations should follow the Secure Remote Commerce documentation.

Masterpass guidelines

Before implementing, please refer to the implementation requirements. By using Masterpass through Stripe, you agree to the Masterpass Operating Rules.

Masterpass is a third-party service that stores payment and shipping information for its users in order to streamline the checkout process. Instead of entering payment information on your checkout page, users can click the Masterpass button instead. Your Stripe integration receives a unique transaction ID that it can use to create a charge against the payment information stored in the user’s Masterpass account.

Integrating the Masterpass button

To get started, generate your Masterpass Checkout ID in the Dashboard and configure your sandbox and production callback URLs.

To use Masterpass on your website, add the following script tag to your HTML document:

<script type="text/javascript" src="https://sandbox.masterpass.com/integration/merchant.js"></script>

To display the Masterpass button, use the following image:

<img id="mpbutton" src="https://static.masterpass.com/dyn/img/btn/global/mp_chk_btn_147x034px.svg"/>

Attach a click handler to the image and use it to invoke the masterpass.checkout function with the desired parameters:

let button = document.getElementById("mpbutton"); button.addEventListener("click", ev => masterpass.checkout({ checkoutId: "{MASTERPASS_CHECKOUT_ID}", allowedCardTypes: ["master, amex, visa"], amount: "10.00", currency: "USD", cartId: "{UNIQUE_ID}", callbackUrl: "{CALLBACK_URL}" }));

The masterpass.checkout function requires the following parameters:

ParameterDescription
checkoutIdThe Checkout ID for your Masterpass project, copied from the Dashboard
allowedCardTypesA list of the Masterpass-compatible payment providers that you want to support
amountThe amount of the transaction, expressed in decimal format
currencyThe currency in which to perform the transaction
cartIdA unique string that you generate to identify the purchase
callbackUrlThis optional parameter can be used to override the default callbackUrl configured when activating Masterpass.

For more details about the masterpass.checkout function and the parameters that it accepts, refer to Mastercard’s documentation.

Completing the payment

When the user clicks the Masterpass button on your checkout page, it takes them to the Masterpass website where they can select an existing payment method from their account or input a new one. When the user completes the process, Masterpass redirects them to the callback URL that you configured when activating Masterpass, or the specified callback URL when invoking masterpass.checkout function. It appends an oauth_verifier URL query parameter that your application can use to complete the transaction.

In the route handler for the redirect destination, extract the URL query parameter and use it to confirm the PaymentIntent that you have created at the beginning of the checkout flow. See accept a payment to learn how to manage your checkout flow using Payment Intents.

The following code example demonstrates how to confirm a PaymentIntent with Masterpass in Node.js with the Express framework:

app.get('/callback', async (req, res) => { // retrieve the PaymentIntent ID created at the beginning of the checkout flow. const payment_intent_id = '{{PAYMENT_INTENT_ID}}'; const payment_intent = await stripe.paymentIntents.confirm(payment_intent_id, { amount: 1000, currency: 'usd', payment_method_data: { type: 'card', card: { masterpass: { cart_id: '{{UNIQUE_ID}}', transaction_id: req.query.oauth_verifier, }, }, }, }); res.send('<h1>Charge succeeded</h1>'); });

Use the Masterpass sandbox environment in Stripe’s test mode, and the Masterpass production environment in Stripe’s live mode. When creating the source, be sure to use the same unique value for the cart_id property that you used on your checkout page.

Testing Masterpass

To test your Masterpass integration against Mastercard’s sandbox, create a new Masterpass user account during the checkout process on your website. Configure the account to use one of the test cards from the Masterpass documentation. Complete the checkout process as normal, selecting the test card as your Masterpass payment method. If everything worked correctly, Masterpass will redirect you back to your application, which should create the charge as expected.

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On this page
Integrating the Masterpass button
Completing the payment
Testing Masterpass