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## Install Affirm on OpenCart

Download the one of the following OpenCart extensions for your applicable version:

  • [OpenCart 1.x extension](🔗)

  • [OpenCart 2.x extension (excluding 2.2)](🔗)

  • [OpenCart 2.2 extension](🔗)

  • [OpenCart 3.x extension](🔗)

## Install the extension

1\. Go to **Extensions > Extension Installer** and click **Upload**. Browse to the extension file downloaded in Step 1. 2\. Go to **Extensions** and select **Payments** from the dropdown. 3\. Find the "Affirm" payment method and click the green **Install** button.

## Configure Affirm

1\. In the **OpenCart** admin, browse to **Extensions > Extensions**. 2\. Under **Choose Extension Type,** select **Payments** from the dropdown. 3\. Find the "Affirm" payment method and click the **Edit** icon. 4\. Configure the following settings:

  • **Enable Affirm** - Set to True to enable Affirm as a payment method.

  • **Public API Key** - Enter the public key from your Affirm sandbox dashboard.

  • **Private API Key** - Enter the public key from your Affirm sandbox dashboard.

  • ** Sandbox or Live Mode** - Set to Sandbox for testing.

  • **Enable Affirm Modal Checkout **- Set to True to have Affirm checkout in a modal window. Set to False to have the customer redirect to Affirm at checkout.

  • **Enable Affirm Enhanced Analytics** - When a customer completes their purchase, you can send their order and product information to Affirm for A/B testing, which will help you optimize your site. Send this information by adding the Confirmation Page function to your payment confirmation page. 

  • **Transaction Method** - Authorize Only: Obtains payment authorization only.  Authorize + Capture: Obtains authorization and automatically captures funds.

  • **Authorization Order Status** - If Transaction Method is Authorize Only, what order status should authorized Affirm orders have in OpenCart.

  • **Capture Order Status** - If Transaction Method is Authorize + Capture, what order status should captured Affirm orders have in OpenCart.

  • **Minimum Order Total (optional)** - The minimum order total for Affirm to be available at checkout. If blank, will default to $50.

  • **Maximum Order Total (optional)** - The maximum order total for Affirm to be available at checkout. If blank, there is no maximum threshold.

  • **Default Currency** - Set to USD.

  • **Debug/Logging** - Set to False.

  • **Affirm Payments Accepted In** - Set to USA.

  • **Sort Order** - Refers to the order which Affirm will be placed at checkout (1 means it will be the top option).

5\. Click **Save** before proceeding to the [_Promotional Messaging_](🔗) settings.