> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sezzle.com/llms.txt
> Use this file to discover all available pages before exploring further.

# NopCommerce

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

### Install the Sezzle NopCommerce Extension

<Note>
  Go to [https://www.nopcommerce.com/sezzle](https://www.nopcommerce.com/sezzle) and click`Get Extension`.
</Note>

### 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`

   <Frame>
     <img src="https://mintcdn.com/sezzle/WWvtQJ-zXjzjnMaw/images/docs/plugins/nopcommerce/1-payment-methods.png?fit=max&auto=format&n=WWvtQJ-zXjzjnMaw&q=85&s=8948aa631691dc6b101b8b46f18fa67c" alt="1 Payment Methods Pn" width="2850" height="1516" data-path="images/docs/plugins/nopcommerce/1-payment-methods.png" />
   </Frame>
5. Click `Edit` from the Payment Method list
6. Copy your Merchant ID from your [Sezzle Merchant Dashboard](https://dashboard.sezzle.com/merchant/settings/business)
   * 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](https://dashboard.sezzle.com/merchant/settings/business)
   * Paste it into the corresponding field in the Sezzle configuration page of your NopCommerce admin
8. Set `Transaction Mode` to either `Authorize` or `Authorize and Capture`

   <Warning>
     See [Authorize Only vs Authorize and Capture](/docs/guides/auth-and-capture)  for details about the difference between the two choices.
   </Warning>
9. Save the configuration

   <Frame>
     <img src="https://mintcdn.com/sezzle/WWvtQJ-zXjzjnMaw/images/docs/plugins/nopcommerce/2-configure-sezzle.png?fit=max&auto=format&n=WWvtQJ-zXjzjnMaw&q=85&s=be6ed35caa169c78d0fd3e357244619e" alt="2 Configure Sezzle Pn" width="2850" height="1516" data-path="images/docs/plugins/nopcommerce/2-configure-sezzle.png" />
   </Frame>
10. To restrict Sezzle usage based on billing country, go to `Configuration` > `Payment Restrictions`
11. Choose the country you want to restrict for Sezzle

    <Note>
      Sezzle is currently available for customers from `The United States` and `Canada`.

      You may wish to restrict all countries where Sezzle is not available.
    </Note>

    <Frame>
      <img src="https://mintcdn.com/sezzle/WWvtQJ-zXjzjnMaw/images/docs/plugins/nopcommerce/3-payment-restrictions.png?fit=max&auto=format&n=WWvtQJ-zXjzjnMaw&q=85&s=5bb28be8f6f2fee9bcf23f39066c1abf" alt="3 Payment Restrictions Pn" width="2850" height="1516" data-path="images/docs/plugins/nopcommerce/3-payment-restrictions.png" />
    </Frame>
12. Integration is complete

### Validate

Step through a [test checkout](/docs/api/test-cards#checkout-testing) to validate the integration is properly installed.