The BigML C# SDK by BigML access API content to create data sources, data sets, and models. In particular, the resources on GitHub work with LINQ, a provider of JSON objects exposed by the REST API according to the site. Authored by Jose Ribes.
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.
Do you know what's relevant to your customer? Having 100 customers means you know there are 100 different answers. Futurelytics, whose mission is, "Let's make Data Science available to everyone," has released an API that aims at making sure each of your offerings is of maximum relevance to each customer. The RESTful Futurelytics API brings these predictive analytic features to your applications through JSON responses.