TowerData provides services that access business data associated with email addresses. These services retrieve demographic information for individuals or households, location and ISP. TowerData services for email marketing include email intelligence, email validation and email append.
TowerData Email Activity Metrics (EAM) API is used to gauge the email address legitimacy based on when and how often it has passed through TowerData's database. This API requires a unique key, and can be queried with HTTP and responses are returned in JSON format.