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This guide explains how to add Sezzle as a payment option on your Lightspeed website, enabling customers to use Sezzle at checkout.
Sezzle’s Lightspeed App is certified and available here in the App Store.

Install the Sezzle Lightspeed App

  1. Log in to your Lightspeed back office
  2. Navigate to Apps > App Store
  3. Search for Sezzle in the search bar and click on the Sezzle app
    1 App Store Search Pn
  4. Click Install App in the top right corner
    2 App Store Install Pn
  5. On successful install, you will be redirected to Sezzle App
    4 Account Verification
Pn

Configure Sezzle

  1. Navigate to the Sezzle App by clicking on Go to App located at Apps > Purchased Apps > Sezzle
  2. Copy your Public Key and Private Key from your Sezzle Merchant Dashboard
    • Paste them into the corresponding fields
  3. Click on link sezzle account to link your Sezzle account with your Lightspeed store
    The message Account successfully linked is displayed when the account is verified

Settings

Toggle the Sezzle at Checkout checkbox to enable (On) or disable (Off) Sezzle as a payment option in the checkout page.
6 Checkout Pn
Toggle the Sezzle Widgets checkbox to enable (On) or disable (Off) Sezzle widget in the PDP and Cart pages.
7 Widget Pn

Payment Refund

  1. In your Lightspeed back office, go to Orders > Orders
  2. Select the order to be refunded
  3. Click Add Credit Invoice
  4. Select the item and enter the quantity
  5. Ensure that Status = Not Paid
  6. Click Add
  7. Cancelling a Paid order will also refund the payments for the Paid Invoices
    On Successful Refund
    • An invoice with the status of Not Paid will be created in the Orders > Invoices section.
    • The Order Status will be displayed as Refunded in your Sezzle Merchant Dashboard.

Validate

A Lightspeed test store must be used for Sandbox testing.
Step through a test checkout to validate the integration is properly installed.