Etsy is a website that allows users to set up shops and sell hand-made and vintage goods. The Etsy.com page itself offers extensive options for both buyers and sellers, and also offers full functionality to third party developers by way of their API.
What do we hope to achieve?
When I was first introduced to this API I was impressed in what it offers to people that sell on Etsy. They have the opportunity to post a shop's most recent listings on a personal website or blog, like this: