September 8, 2015
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With huge budgets spent on marketing, it's probably a good idea to keep track of which marketing avenues are working and which aren't. Call Tracking Metrics is a simple telephone call tracking service that aims at helping users link incoming calls to specific marketing campaigns and in so doing, easily track and analyze the amount of calls received due to that particular campaign. The Call Tracking Metrics API provides access to this functionality.
One of the more interesting views given by the directory is a look at what sectors are seeing the most growth in APIs. The directory data model allows for one primary category as well as multiple secondary categories and in this article we take a look at which categories are most represented.
Our API directory now includes 34 tagging APIs. The newest is the Ontos API. The most popular, in terms of mashups, is the Zemanta API. We list 6 Zemanta mashups. Below you'll find some more stats from the directory, including the entire list of tagging APIs.