The Block.io PHP SDK by Block.io can access payment features from the API, allowing bitcoin as a currency method. A getting started guide presents how to process transactions, create wallets for users, and use green addresses.
Hyperwallet revealed that its REST payout API has moved from public beta to full public availability. The announcement coincides with the launch of new Hyperwallet developer features, including software development kits (SDKs), additional API calls, and a bolstered self-serve developer portal.
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.