Spend all of your gift cards at Amazon.com with Flexigift. With the Flexigift service, you can spend your third-party gift cards directly at your Amazon.com shopping cart.
Third-party gift cards issuers such as Kohl’s and Starbucks register their eligible products with Flexigift. Flexigift users link their gift cards to their account. When a Flexigift user adds an eligible product to their Amazon.com shopping cart, Amazon verifies their third-party gift card with Flexigift and offers the user the option to pay for their item with their card.
Start here to get Flexigift up and running.
How to set up and run Flexigift on your local computer.
The Flexigift service offers a REST API to manage users, gift cards, and eligible products, and to record purchase transactions: