TRYNT offers a variety of APIs. This points to the TRYNT Term Extraction Web Service provides a list of significant words or phrases extracted from a larger content. The list of words and phrases returned will be in context to your supplied query at the time of your query.
Click the "Track this API" button on any profile page and never miss an API update, new app, or breaking news for that API again.
There are no source code libraries or how-to links for Trynt. If you know one why not add it?
FYI TRYNT offers a large library of REST based web services. At the time of this comment entry TRYNT is offering over fifty eight (58) free APIs!
Just an update in case you thought all TRYNT offered was contextual keyword analysis.