The Twitch Developers Program offers an open set of tools and APIs to help you build game features that engage with the more than 1.7 million monthly broadcasters, and more than 100 million monthly viewers on Twitch. Additionally, Lumberyard is integrated with Twitch, with its Twitch ChatPlay and Twitch JoinIn features helping you build games that enable both spectators to interact directly with your gameplay, and broadcasters to instantly invite their fans into the game. Learn more »