Apple didn't specify if there is a minimum amount of money you have to spend to get the $5 card, but the company advised shoppers to see applicable partner websites for more information as the fine print might change on a retailer-by-retailer basis.
Here is the full list of Apple Pay partners participating in the promotion:
If you don't have Apple Pay set up yet, make sure to visit our guide on How to Set Up Apple Pay and Add Credit Cards. The latest addition to Apple Pay was the debut of Apple Pay Cash, which launched earlier in December and lets you directly pay friends and family members. If you have credit on your Apple Pay Cash Card, you can also use that to shop at the above retailers and get the $5 iTunes card.
For other deals and promotions, visit our full Deals Roundup.