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.
Our API directory now includes 37 food APIs. The newest is the Food Genius API. The most popular, in terms of mashups, is the Menu Mania API. We list 6 Menu Mania mashups. Below you'll find some more stats from the directory, including the entire list of food APIs.
Square is moving beyond the retail terminal thanks to a handful of new APIs meant to help companies accept payments in more places. The E-Commerce API and Register API target retailers large and small with a simple set of tools that integrate fully with Square's payment processing platform.