The article Introduction to iContact API describes a small introduction for iContact. Actually the data passed to iContact is in JSON format or in XML format. Mainly contact information and emails are passed to iContact. Data are passed to iContact in the following format.
iContact provides email marketing for small to middle sized businesses and also the non-profits. iContact supports easy creation of email newsletters, surveys, auto responders, a wide range of features for professional marketers so that they can collect and analyze data, send emails using a single service.