Here are the most common reasons your 1-click offer may not display:
The customer used an alternative payment method (see payment methods).
The customer selected an installment or wallet service (such as Affirm, AfterPay, Amazon Pay, Apple Pay, Google Pay, Klarna, Sezzle, Shop Pay Installments, Zip (QuadPay).
Your store has multi-currency enabled, and the order was placed in a currency other than your store’s default currency.
If the order was processed with PayPal, your store might not be approved for PayPal Automatic Payments
Refer to the PayPal Automatic Payments documentation for more details.
AfterSell is not enabled as your post-purchase page app in your Checkout settings.
The order was paid for using a gift card, COD, or it was a $0 (free).
The original order includes a subscription product, and the upsold product is also a subscription product.
The product's inventory is tracked, and the inventory level is zero or less.
The product is part of an order for local delivery.
The order must not have duties or landed costs
The Shopify platform is experiencing extreme load.
You can gain more detailed insights by utilizing the AfterSell "Order Browser" tab:
By reviewing each order in the Order Browser tab, you can discover the reasons why the offer was not displayed e.g.: