NopCommerce

This guide explains how to add Sezzle as a payment option on your NopCommerce website, enabling customers to use Sezzle at checkout.

Go to Configuration > Local Plugins
Click Upload Plugin or Theme and select the downloaded zipped file per the instructions given
After the extension has been uploaded, click Install
Under Configuration, go to Payment Methods and then click Configure under Sezzle
Click Edit from the Payment Method list
Copy your Merchant ID from your Sezzle Merchant Dashboard
- Paste it into the corresponding field in the Sezzle configuration page of your NopCommerce admin
Copy your Public Key and Private Key from your Sezzle Merchant Dashboard
- Paste it into the corresponding field in the Sezzle configuration page of your NopCommerce admin
Set Transaction Mode to either Authorize or Authorize and Capture
See Authorize Only vs Authorize and Capture for details about the difference between the two choices.
Save the configuration
To restrict Sezzle usage based on billing country, go to Configuration > Payment Restrictions
Choose the country you want to restrict for Sezzle
Sezzle is currently available for customers from The United States and Canada.You may wish to restrict all countries where Sezzle is not available.
Integration is complete

Step through a test checkout to validate the integration is properly installed.