The BlueSnap Payment iOS SDK by BlueSnap allows API communication to implement payment features into eCommerce applications. It includes a link to download the kit, along with guides to integrate from download to initialization.
Although you may not realize it on the surface, DevHub, the free site builder and hosting platform, is effectively a very sophisticated mashup using over 40 different external APIs. The Seattle-based startup, now with 10,000 site publishers who've built over 100,000 sites, have recently launched a major upgrade with new site editing tools, more content (API) partners, and new monetization tools. Their core offering takes data from APIs and other content sources as a way for niche publishers quickly create content-rich sites along with built-in monetization options:
Currencycloud is a cloud payments platform that allows businesses to automate and send international bank transfers. In this tutorial, you will learn how to use the Currencycloud APIs so you can begin to make international payments from within your organization's business applications.
Popular room rental service AirBNB does not yet have an official AirBNB API. But signs point to one's existence, as well as an affiliate plan in place to pay developers for reservations booked through the API. If the company sticks with the plan as written now, developers will be able to make up to 10 million API calls per day before contacting AirBNB.