The Tesco PHP library by Laurence Roberts contains search for products, get customer's basket, get all product categories, and get all current offers. Tesco API is about e-commerce, food, and grocery accessibility for desktop and mobile applications. The most recent update according to Tesco site is that as of today, developers can register for the refreshed Tesco Labs API.
You’ve put the final touches on your ebook, and now you're looking for a convenient way to sell it online. Instamojo may have the answer. The company offers an out-of-the-box ecommerce solution that makes selling goods as easy as sharing a link. With the Instamojo API integration could not be much easier.
Ever tried to sell something on the Internet and hoped that the process was simpler than what it currently is? What if selling an item on the Internet was as simple as sharing the item for sale with your friends on the social web? Gumroad, a San Francisco based startup has adopted that philosophy and wants to take the pain out of selling an item on the web and it also provides the Gumroad API for its core features.