Our API directory now includes 96 stocks APIs. The newest is the Eurex VALUES API. The most popular, in terms of directory page views, is the Bloomberg API. Below you'll find some more stats from the directory, including the entire list of stocks APIs.
In terms of the technical details, REST and XML lead the way. There are 55 stocks REST APIs and 42 stocks SOAP APIs. Our directory lists 64 stocks XML APIs and 18 stocks JSON APIs.
The most common tags within stocks are 53 financial stocks APIs, 46 finance stocks APIs and 18 trading stocks APIs.
On the mashup side, we list 15 stocks mashups. We named Stock Price Scanner as mashup of the day in June. For reference, here is a list of all 96 stocks APIs.