The Kite Connect Trading Go SDK interacts with the API to access market, mutual funds, orders, portfolios, and users. Developers can make orders in real-time, manage user portfolio, and stream live market data via WebSockets.
Payleven, the Square equivalent for the world outside of the US, has launched an API to complement its mobile payment device. Prior to the API, use of Payleven's mobile payment device required downloading the Payleven app (similar to Square's current model). However, the API allows developers to integrate Payleven's functionality within third party apps.