1. API Call to check the price and availability of the products in our database and update accordingly 2. When the customer is checking out, we need an API call to get the shipping methods available from Scansource 3. We need an API call to send over the cart/purchase order information such as the name, shipping address, part number, quantity, and price to Scansource to fill the order 4. We need to pull the fulfillment and tracking information from Scansource to Shopify and update their order status
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