The Open Exchange Rates API currently provides real-time, hourly-updated exchange rates and historical data for 161 world currencies that can be used in web and mobile applications, frameworks and with any programming language.
On Thursday, Singapore-based DBS Bank, Southeast Asia's biggest bank, announced a banking API developer platform that it says is "the largest by a bank anywhere in the world." The platform consists of over 150 APIs that cover numerous functional categories including accounts and payments.
Netherlands-based bank ABN AMRO has launched the first version of its developer portal and a set of commercial APIs. Developers can use the APIs to add to applications banking capabilities such as generating payment requests, retrieve real-time balance information, and transfer multiple payments.