Here's how:

1. Log in to your X-Cart admin panel.
2. Go to Store Setup > Payment Methods.
3. Click Add payment method if the PayPal option isn't available.
4. Search for PayPal Payments Pro (PayPal API) and click Choose.
   Note: If the module is already installed, click Configure.
5. Click Open X-Payments dashboard to configure on the X-payments connector module settings page.
6. Log in to the X-Payments module.
7. Select Settings > Online Stores.
8. On the Online Stores page, click Add new store.
9. Configure a new online store as follows:
   • Store Name - Enter a Store Name.
   • Store Title - Enter a Store Title.
   • Review additional options.
10. Click Save.
11. Select Settings > Payment Configuration.
12. Select PayPal Payments Pro (PayPal API) for new configuration under Payment Configurations.
13. Click Add.
14. Configure the following fields:
    • Name - Enter a configuration name.
    • API Access Username - Enter your API username.
    • API Access Password - Enter your API password.
    • API Method - Enter an API method.
    • Signature - Enter your API Signature.
    • Mode - Select either Test or Live.
    • Initial Transaction - Enter the initial transaction type.
    • Currency - Enter the currency type you'll use.
    • Credit Card - Choose the credit card types you want to accept.
    • Review additional options.
15. Click Save.
16. Select Settings > Online Stores and select the configured online store.
17. In the Online Store configurations:
    • Go to Payment Configurations and select the desired payment method.
    • Click Save.
    • Copy the Connection Key.
18. Go back to X-Cart. Click Connection on the X-Payments connector module settings page.
19. Paste the configuration code copied from X-Payments and click Deploy.
20. Select Store Setup > Payment Methods. Activate the Payment Method configured: PayPal Payments Pro (PayPal API).
21. Click Sorting & Descriptions.
22. Edit the title for PayPal Payments Pro ( PayPal API) to Debit or Credit card.
23. Click Save Changes.

Refer to our preferred Platforms and Marketplaces Directory for addional shopping cart specific information.