Stockphoto provides web services via an XML-RPC API. See http://www.xmlrpc.com/spec for a basic introduction to the XML-RPC web standard.
The XML-RPC web service provides access to a wide range of iStockphoto.com functionality and content including:
full search capabilities
lightbox management
file downloading
member statistics
contributor portfolio management
image uploading More information: http://www.istockphoto.com/webservices/xmlrpc_doc/
