EShop supports payment plugins so developers can develop and add more payment gateways to the store. You can check the documentation to Develop Payment Plugins to develop your own payment plugins if you want.
EShop has 5 built-in payment plugins which are included into the EShop package core and they are ready for you to use immediately after you completed installing EShop on your site:
Go to EShop -> Plugins -> Payments to access to payment plugins section of EShop. From the list of payment plugins, you should only publish the payment plugins that you want to use for your store and unpublished the remains payment plugins. We also developed many other EShop payment plugins as extra add-ons which can be found at: http://joomdonation.com/payment-plugins/eshop-payment-plugins.html
Sometime, you will need to use a payment plugin which is not a built-in payment plugin. In this case, you might have to purchase it at http://joomdonation.com/payment-plugins/eshop-payment-plugins.html (if it is available) or develop it by yourself (or hire someone to develop it for you). Once you got the payment plugin package, you will need to install it. Following are steps to install a new payment plugin:
Click on the payment plugin name on the list to config it. Each payment plugin has parameters which are defined in the xml file that you can enter value for them. In the next parts, we will guide you how to configure payment plugins in EShop: