This Amazon Product Advertising library in Node.js supports APA API and request signatures. The main benefit of this work could be the node wrapper that performs HTTP requests, process responses, and parses XML. Because it takes care of those operations, is not necessary to make signatures from scratch. Resources include installation, quick start, and API documentation.
This article is the second of a three part series from MLSDev that shows how to build an eCommerce API using Ruby on Rails. In this part, readers are shown how to implement product search including autocomplete and full text search for an online store. A Github project accompanies this series.
Based in Vancouver, BC, Payfirma has created an XML-based API that promises custom forms and full shopping carts to keep you in control of developing the flow of your credit card processing. The idea is to make business's lives simpler by reducing development costs with the Payfirma API that accepts Visa, Mastercard, Discover, and American Express among others.