The Square Register In Person Payment iOS Swift Sample Code by Square demonstrates credit card processing via API. It allows developers to create mobile applications for merchants, by using money tests available on the site.
Omnipay is a PHP processing library that supports 26 reputable payment gateways, including PayPal and Stripe. This article shows you Omnipay's capabilities by verifying a customer's credit card information and then uses the SDK for making a payment through a Stripe payment gateway.
Bank of America, the second largest bank in the U.S., introduced a new API on Tuesday for its corporate treasury customers. Using the API, these customers can access their banking information and perform real-time transactions. The bank believes that it will improve its ability to collaborate.