The Checkout.com Get Payment Details Java Sample Code demonstrates how to return the details of the payment with the specified identifier string. If the payment method requires redirection to a third party (e.g., 3D Secure), the redirect URL back to the site will include a cko-session-id query parameter.
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.
Dwolla is an extremely innovative Payment API and the site allows you to transfer money with one of the least payment charges. We have covered Dwolla before here. Here is an interview with Michael Schonfeld, Developer Evangelist of Dwolla API.