Sign in to your IHG One Rewards Dine & Earn account, then:
- Click on the “Linked Cards” tab.
- Find the “Link more cards” section near the bottom of the page, enter the card number you’d like to add, then click “LINK CARD.”
- Tap the “Cards” tab.
- Find the “Link more cards” section near the bottom of the page, enter the card number you’d like to add, then tap “LINK CARD.”