The Dwolla Java and Android SDK by Dwolla allows to communicate with the API to implement payment features into web services and mobile applications. Resources available in Maven and Gradle. Instructions present how to run the sample project.
Moving money online is commonplace these days, and the simpler and faster the process can be, the more appealing it is. Ripple provides another option in the world of online payment solutions. It's an open source, almost free to use payment network that provides a simple and hassle-free way for anyone in the world to send money to anyone else. The Ripple API allows developers to use this functionality and integrate the payment system into other projects.
Pusher has announced an enhanced "Sandbox" plan to its tiered pricing program. The original Sandbox version permitted 20 concurrent connections, and 100,000 messages per day. Now, the plan allows 100 concurrent connections and 200,000 messages per day. The move is aimed to attract new developers.