Displaying the right FedEx shipping options at checkout is one of the most impactful levers a Shopify merchant has over both conversion rate and shipping margin. The wrong options flat rates that don’t reflect actual costs, or services mismatched to product type erode trust and inflate your invoice. Getting this right means understanding what FedEx actually offers across domestic, international, and freight services, then configuring which of those FedEx shipping options surface in your Shopify checkout for which orders. It’s a standard overnight option for Shopify merchants that need next-day delivery without the earliest-morning delivery window of First Overnight. to residences, making it an option for merchants who want a defined delivery window without paying for overnight service.