Modify gift card settings
Change your gift card expiry settings
Gift cards can be set to expire after a specified amount of time from the issue date. By default, gift cards do not expire, as only some countries allow gift cards to expire for legal reasons. Make sure you are following any rules and regulations your country might have with regards to gift cards.
To change your gift card expiry settings:
From your Shopify admin, click Settings, and then click Gift Cards.
Click Gift cards expire:
Set the expiration details for your gift cards:
Update automatic fulfillment settings of gift cards
By default, gift cards will be automatically fulfilled and notification emails will be sent to customers when an order has been paid.
To change fulfillment settings:
From your Shopify admin, click Settings, then click Checkout.
In the Order processing section, select the fulfillment settings you prefer under After an order has been paid:
If a gift card is purchased on a medium or high risk order, gift cards will not be fulfilled automatically. After you find it's safe to go ahead with the order, you must fulfill the gift cards manually from the order detail page.