The bunq PHP SDK by bunq is a banking system optimized to manage monthly budgets, categorize spending, manage bill payments, and track small expenses. bunq supports instant notifications, overviews, and account sharing. The current version is 0.9. PHP 5.6+ is required.
Here's an interesting online business you may not have heard of: Betfair. Who are they? They're the world's leading online betting exchange, a concept they helped pioneer back in 2000, and now have annual revenues over 180 million pounds Sterling.
Vantiv has announced the general availability of its payment processing API: triPOS Cloud. triPOS Cloud is an open architecture platform that allows merchants and ISVs to integrate Vantiv's payment processing features with their POS systems across hardware and software platforms.