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Pay by LinkHosted Payment PageEmbedded Elements
Card ElementSplit Card ElementFull Featured Card Element
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Full Featured Card Element

The Full Featured Card Element is a multi-input field container (card number, expiry, security code, name on card, and a checkout button) that allows you to securely collect card details and submit these details to Airwallex to process the payment.

This page describes how to embed a Full Featured Card Element on your payment page to accept payments.

How it works

The diagram below depicts the information flow in a Full Featured Card Element integration. Full Featured Card Sequence

Before you begin

Before you implement the integration, consider the following:

Step 1: Set up the server to create a PaymentIntent

When the shopper begins the checkout process, you will need to create a PaymentIntent object to indicate your intent to collect payment from the shopper.

When the checkout page loads, on your server, call Create a PaymentIntent API API with an amount and currency. Always decide how much to charge on the server side, a trusted environment, as opposed to the client. This prevents malicious shoppers from being able to alter the payment amount.

Provide return_url in Create a PaymentIntent API to indicate where Airwallex should redirect the shopper after completing the payment, whether successful or otherwise.

The PaymentIntent’s id and client_secret are returned in the response these parameters let you confirm the payment and update card details on the client, without allowing manipulation of sensitive information, like payment amount.

curl --request POST \
--url 'https://api-demo.airwallex.com/api/v1/pa/payment_intents/create' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer <your_bearer_token>' \
--data-raw '{
    "request_id": "00e8df19-7087-4209-b50b-067d6a39ee72",
    "amount": 100,
    "currency": "CNY",
    "merchant_order_id": "Merchant_Order_a7f9baf8-884a-4def-ba85-d1f9be83470a",   
    "return_url": "http://www.merchant.com/result"
}' 

Step 2: Initialize Airwallex on your checkout page

First, you will need to import the airwallex-payment-elements SDK and then initialize the package. For details, see Initialize Airwallex JS.

Step 4: Handle the response

Add onSuccess and onError event listeners to handle error and success events received from Airwallex.

const element = mount('root');
element.addEventListener('onSuccess', (event) => {
  // Handle event on success
});

element.addEventListener('onError’, (event) => {
  // Handle event on error
});

If no error occurred, display a message that the payment was successful. If payment fails with an error, display the appropriate message to your shopper so they can take action and try again.

Retrieve the payment result

For any actions subsequent to the payment such as shipping goods or sending email receipts, you can retrieve the payment result using the following options:

  • Set up webhooks to receive notifications on whether the payment has succeeded. Airwallex sends payment_intent.succeeded event when a payment succeeds. Listen to these events rather than waiting on a callback from the client. On the client, the shopper could close the browser window or quit the app before the callback executes. For information on how to set up webhooks and listen to events, see Getting started with webhooks

  • On your server, call Retrieve a PaymentIntent API to check the PaymentIntent status.

  • Check Payment Activity screen on your Airwallex web app.

Test your integration

Use test card numbers and the test and go-live checklist to test your integration for various success and error scenarios in the demo environment and then go live in the production environment.

Example integrations

Explore a full, working code sample of an integration built using various web frameworks JS.

Additional features

You can add the following features to your Embedded Element integration.

Localization

You can configure the Element to display localized text of the payment fields based on the locale set in init() or loadAirwallex( ). Supported locales are:

  • en (US English)
  • zh (Simplified Chinese)
  • ja (Japanese)
  • ko (Korean)
  • ar (Arabic)
  • fr (French)

Save card details for future payments

Airwallex allows you to create a PaymentConsent with the shopper to initiate future payments using shopper’s saved card details. For more information, see Save payment details for future payments .

3D Secure authentication

Airwallex automatically handles 3D Secure authentication offering either frictionless or challenge flow depending on the card issuer’s requirements. You can optionally pass the following fields in createElement( ) to support 3DS:

  • authFormContainer: A container for the authentication form. If a challenge flow is required to authenticate the shopper, an iframe will be rendered in this container to display the authentication page provided by the issuing bank. If not provided, Airwallex will create a div after body tag and use it as the container.
  • withBilling: If applicable set this to true to collect billing information from the shopper, which increases the likelihood of frictionless checkout.

FAQ

What are the common error scenarios with Embedded Elements integration?

Some common scenarios include :

ErrorNext steps
Airwallex is not definedCheck if you have initialized Airwallex (Step 2) before using Airwallex functions. If you are using CDN, check if you have changed the bundle version from x.x.x to the latest version in the package.json file. For example, https://checkout.airwallex.com/assets/elements.bundle.min.js is invalid
Access denied, authentication failedCheck if you have replaced your intent id and client_secret in createElement() and optionally confirmPaymentIntent().
The PaymentIntent with ID int_xxxxxxxxx cannot be foundCheck if the environment you initialized Airwallex in, for example, demo or prod, matches the environment you retrieved your intent id and client_secret from. In other words, if you ran init in the demo environment, you must also create your PaymentIntent in the demo environment.

How do I customize the Embedded Element?

You can provide the fonts[ ] option in init( ) or loadAirwallex( ) when you initialize Airwallex to customize the font styles of payment Elements. Airwallex supports two font weights: regular (400) and bold (700).  You can specify font options using src, family and weight attributes.

fonts: [
         {
           src: 'https://checkout.airwallex.com/fonts/CircularXXWeb/CircularXXWeb-Regular.woff2',
           family: 'AxLLCircular',
           weight: '400',
         },
         {
           src: 'https://checkout.airwallex.com/fonts/CircularXXWeb/CircularXXSub-BoldSubset.woff2',
           family: 'AxLLCircular',
           weight: '700',
         },
       ],

You can also customize styles for the cardNumber/card/fullFeaturedCard Element using style. With Split Card, you can also customize cvc and expiry Elements.

  <style>
    #dropIn {
      width: 540px;
      /* Example: to hide element before it is loaded */
      display: none;
    }
  </style>
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