There are a number of factors coming together to fuel the growth of APIs. Without a doubt, one is the corresponding growth of mobile devices and the distribution of services across multiple platforms. An API is often required to create one native mobile application and becomes incredibly important when supporting many devices. Sometimes these private APIs are made public, sometimes they aren't.
SafeCharge has launched a full payment platform specifically designed for online marketplaces. Marketplace Manager hopes to address specific hardships and compliance requirements faced by marketplaces. Marketplace users access the entire platform through a single API.