StatCounter is a service that lets users monitor actual human activity on their web sites in real-time. This data can then be used to perform analysis on visitor habits and more. The StatCounter API offers developers access to manage their StatCounter accounts and retrieve their stats reports. With the API developers can set up and edit StatCounter projects and also manipulate their stats data. They can also use the data to build their own widgets and apps on top of. The API uses HTTP calls and responses are formatted in XML and JSON.