Experian Data Quality’s real-time data enhancement solutions can append an extensive list of demographic and attitudinal elements. These SOAP-based Web services are designed to provide insights into your web visitors, prospects and customers. The API lets developers integrate the service into third party applications. Appends information based on the user’s IP address. The geolocation software appends information based on the address data and can return over 900 data attributes, which leverage Experian's ConsumerViewSM database, the nation's largest repository of consumer marketing data.