Configuring Affirm

Overview

This guide walks you through configuring Affirm at checkout in Shopify.

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Affirm promotional messaging

Make sure you've set up Affirm promotional messaging before moving forward.

1. Install Affirm in Shopify

1. Sign in to your Shopify account and go to Settings > Payments.

2. In the Alternative Payments section, click the Choose alternative payment button.

3. On the Alternative payment providers page, select Affirm.

4. Check the Use test mode checkbox for testing in our sandbox.
5. Enter the public_api_key and private_api_key you retrieved from your Affirm merchant dashboard
6. Click Activate. Affirm is now a payment option in Shopify.