The Trading Technologies TT API supports the creation of apps that communicate with TT Gateways. Use the API to develop apps that can implement price subscriptions, route orders, or receive fills via the TT Gateways. TT Gateways is a function of the TT trading platform, for building applications that can trade stocks and other financial market assets. The API is anchored on the Microsoft .NET technology. Its functionality includes the ability to deploy Trading Technologies' trademarked Autospreader SE and Synthetic SE platforms in a way that makes it easier for developers to route spread and synthetic orders to the two platforms for proximity-based execution.