NopCommerce

NopCommerce

This guide describes how to integrate Sezzle into your NopCommerce website so that you can provide Sezzle as a payment option for your customers. After integrating Sezzle, your NopCommerce site will:

1. Offer Sezzle as a payment option on the checkout page.
2. Refund Sezzle payments from your NopCommerce order management system.
3. Authorize and capture payments.
4. Offer instant and delayed capture.

Integration Steps Overview

1. Install and configure the Sezzle NopCommerce extension
2. Test your integration
3. (Optional) Sandbox Testing

Before You Begin

1. You should have a Sezzle merchant account.

• Please visit our signup page (US/CA) or signup page (EU) if you don't have an account.

2. Make sure you have the following Sezzle details handy.

US/CA

• Merchant ID
• Public API Key
• Private API Key

EU

• Merchant ID
• Public API Key
• Private API Key

3. Familiarize yourself with the transaction flow when buying with Sezzle.

Install the Sezzle NopCommerce Extension

Go to https://www.nopcommerce.com/sezzle and click Get Extension.

Admin Configuration

1. Go to Configuration > Local Plugins.
2. Click Upload Plugin or Theme and select the downloaded zipped file per the instructions given.
3. After the extension has been uploaded, click Install.
4. Under Configuration, go to Payment Methods and then click Configure under Sezzle.
   
5. Click Edit from the Payment Method list.
6. Copy your Merchant ID from your Sezzle Merchant Dashboard (US/CA) or Sezzle Merchant Dashboard (EU), and paste it into the corresponding field in the Sezzle configuration page of your NopCommerce admin.
7. Copy your Public Key and Private Key from your Sezzle Merchant Dashboard (US/CA) or Sezzle Merchant Dashboard (EU), and paste them into the corresponding fields in the Sezzle configuration page of your NopCommerce admin.
8. Set Transaction Mode to either Authorize or Authorize and Capture. Important: See Authorize Only vs Authorize and Capture for details about the difference between the two choices.
9. Save the configuration.
   
10. To restrict Sezzle usage based on billing country, go to Configuration > Payment Restrictions.
11. Choose the country you want to restrict for Sezzle. Please note that Sezzle is currently available for customers from The United States and Canada. You may wish to restrict all countries where Sezzle is not available.
    
12. Integration is complete.

NopCommerce Sandbox Testing

1. In the Sezzle configuration page of your NopCommerce admin, enter the Sandbox API Keys from your Sezzle Merchant Sandbox Dashboard (US/CA) or Sezzle Merchant Sandbox Dashboard (EU) and check the Use Sandbox checkbox, then save the configuration. Make sure you are doing this on your dev/staging website.
2. On your website, add an item to the cart, then proceed to Checkout and select Sezzle as the payment method.
3. Click Confirm and you should be redirected to the Sezzle checkout page. If prompted, sign in.
   
4. Enter the payment details using test data then click Complete Order.
5. After the payment is completed on Sezzle, you should be redirected back to your website and see a successful payment page.
6. Sandbox testing is complete. You can log in to your Sezzle Merchant Sandbox Dashboard (US/CA) or Sezzle Merchant Sandbox Dashboard (EU) to see the test order you just placed.

NopCommerce Live Checkout

1. In the Sezzle configuration page of your NopCommerce admin, enter the API Keys from your Sezzle Merchant Dashboard (US/CA) or Sezzle Merchant Dashboard (EU) and uncheck the Use Sandbox checkbox, then save the configuration.
2. On your website, add an item to the cart, then proceed to Checkout and select Sezzle as the payment method.
   
   
3. Click Continue then Confirm.
   
4. If you are redirected to the Sezzle checkout page, your integration is complete. Congratulations!
   
5. Warning Don't complete the payment. Your checkout is now live, so you will be charged if you complete.