Software to link our shopping cart to a third party distribution warehouse

General information for the business: We sell online Description of requirements/functionality: We have a shopping cart on wordpress/ woocommerce, using http://www.cart66 There are 2 parts to this but the first part is urgent and is described as linking the information from cart66 into our distributers system they described as follows "You could use the data from the receipt hook to write to a CSV file and upload to FTP, or you could convert it to a JSON format and send it via our API." Someone said it ma need PHP? Can you help The second part can follow Thanks Chris Mills Extra notes: