Download the Plugin

Navigate to the Visa Acceptance listing in your WooCommerce dashboard.

You will need to download the plugin to be installed on your website using WooCommerce.
Download, saving this as a .zip file.

Install the Plugin

Now that you have downloaded the plugin code from the Marketplace it's time to upload it into your WooCommerce instance.

a.       Navigate in your WooCommerce instance to Plugins

b.       Select Add New

c.       Select Upload, and select the .zip file you have downloaded.

d.       Select Install Now and then Activate.

e.       Select Configure to proceed.

Configure the Plugin

Once the plugin has completed install you're now able to begin configuration. Configure the plugin by navigating to WooCommerce > Settings  > Payments, and selecting Visa Acceptance Solutions Unified Checkout.

Configuration

Ensure you have copied the Shared Secret and Key from Step 1

• Enable / Disable: Allow customers to use this gateway to process payments at checkout.
• Title: The text shown for the payment during checkout and on the Order Received page.
• Description: The text shown under the gateway’s title during checkout. If you enable test mode, this section will also display a notice along with test credit card numbers.

• Transaction Type: Controls how transactions are submitted to Visa Acceptance Soluitions. Select “Charge” to automatically capture payments. If you select “Authorization”, you must manually capture and settle payments in your Visa Acceptance Soluitions account or on the WooCommerce orders screen after the transaction has been submitted. This defaults to “Charge”.
  • Charge Virtual-Only Orders: If Transaction Type is set to “Authorization”, enable this to automatically capture charges for orders with only virtual products. For downloadable products, this will grant downloads access right away.
  • Capture Paid Orders: If Transaction Type is set to “Authorization”, enable this to automatically capture charges when orders move to a paid status.

• Debug Mode: Enable to generate a log file for every transaction.
• Environment: Switch between the “Test” and “Production” systems. Enabling “Test” will send transactions to your Cybersource Test Account. Ensure you have the correct keys for each corresponding system.
• Merchant ID: The MerchantID/OrganisationID assigned to you by Visa Acceptance Soluitions or your reseller, which you use to log into the Business Center.
• API Key Detail: Obtained in Step 1.
• API Shared Secret Key: Obtained in Step 1.
• 3D Secure: Enable 3D Secure for added security and compliance. This is a mandatory requirement for merchants operating in the European Economic Area (EEA), including the UK.
• Enforce Strong Customer Authentication: If enabled card holders will be 3DSchallenged when saving a card. 
• Tokenization: Let customers save their payment methods for future use at checkout.
• Saved Card Verification: Display the card security/verification code field when using a saved card at checkout.

Optional Configuration

• Accepted Card Logos: Determines which card logos are displayed during checkout. This has no impact on which cards are accepted by your merchant account.
• Fraud Management: Enable this if you want all of your transactions to be processed through Cybersource's Fraud Managament Suite
  Please Note - If enabling this option you must ensure that the service is enabled and configured within Cybersource
• Google Pay: Enable this to add Google Pay to Unified Checkout. Please note that Google Pay transactions not submitted using an Android device will not process with payer authentication. This is a mandatory requirement for merchants operating in the European Economic Area (EEA), including the UK. 
• Click To Pay: Enable this to add Click To Pay  

Troubleshooting

Follow these steps to make sure everything is setup correctly before submitting a support ticket:

• Please ensure your site meets the plugin requirements.
• Confirm your credentials are working.
• Review the WooCommerce Self-Service Guide on plugin and theme conflicts.
• Click this article for more info on Visa Acceptance Solutions error and response codes.

If you are still facing difficulties reach out to the support team for assistance.