Our API directory now includes 221 marketing APIs. The newest is the Front Door Daily Deals API. The most popular, in terms of mashups, is the SendGrid API. We list 10 SendGrid mashups. Below you'll find some more stats from the directory, including the entire list of marketing APIs.
As platform-as-a-service (PaaS) starts to gain traction in the enterprise, an opportunity to standardize on a common application development platform—both on-premises and in the cloud—is starting to present itself. Case in point is a new alliance between Microsoft and Apprenda under which Apprenda will deploy its PaaS environment on top of Microsoft Azure.