Configuring Affirm

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Affirm promotional messaging

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

Install Affirm

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.

3. Add the Confirmation Page function

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. We only require orderId, total, productId, and quantity for A/B testing.

Click here for all the Confirmation Page function parameters.

To add the confirmation page function, go to Settings > Checkout > Order Processing > Additional scripts  and add the code below.  Replace public_api_key with your public API key found in the merchant dashboard.

<script>
_affirm_config = {
   public_api_key:  "YOUR_PUBLIC_KEY",
   script:          "https://cdn1.affirm.com/js/v2/affirm.js"
};
(function(l,g,m,e,a,f,b){var d,c=l[m]||{},h=document.createElement(f),n=document.getElementsByTagName(f)[0],k=function(a,b,c){return function(){a[b]._.push([c,arguments])}};c[e]=k(c,e,"set");d=c[e];c[a]={};c[a]._=[];d._=[];c[a][b]=k(c,a,b);a=0;for(b="set add save post open empty reset on off trigger ready setProduct".split(" ");a<b.length;a++)d[b[a]]=k(c,e,b[a]);a=0;for(b=["get","token","url","items"];a<b.length;a++)d[b[a]]=function(){};h.async=!0;h.src=g[f];n.parentNode.insertBefore(h,n);delete g[f];d(g);l[m]=c})(window,_affirm_config,"affirm","checkout","ui","script","ready");
 
affirm.ui.ready(function(){
affirm.analytics.trackOrderConfirmed({
    "orderId": "{{ order.id }}",
    "total": "{{ order.total_price }}"
}, [{
   {% for item in order.line_items %}
   "productId": "{{ item.sku }}",
   "quantity": "{{ item.quantity }}",
   {% endfor %}
}]);
});
</script>

Required function parameters

Order object

Product object