How to Use Your Gift Card: Receive Your E-Card After purchase, your Gift Card code and PIN will be emailed to you. Activate & Bind Your Card Log in to your Aiper account, go to "My Gift Cards", and enter the code and PIN to bind it to your account. Shop & Check Out Browse Aiper.store, add items to your cart, and proceed to checkout. Apply Your Balance Simply enter the code and PIN in the designated gift card input field at checkout. The gift card balance will be automatically applied to your order.