The Emsi ACS Indicators C# Sample Code demonstrates how to access the REST client with a username and a password. Developers can use GET methods to make calls that will display American Community Survey data in response.
IKANOW, open source big data platform provider, has released a Developer API. Much in line with the company's broader mission and message, the goal of the API showcases focus and simplicity: "[M]ake it simple for developers to gather, harvest and enrich a diverse array of structured and unstructured datasources and build compelling data driven applications." IKANOW built the Developer API on its Infinit.e platform (i.e. its flagship analytics product).
San Francisco startup Prior Knowledge recently released in public beta their predictive analytics API called Veritable. They want to enable every developer with big data prediction tools, without becoming a quant genius first. Just upload a dataset, execute analysis, make predictions and watch the sparks fly.
ConnectYard, a leading social engagement solutions provider, has just announced the launch of a brand new RESTful Web API which makes it possible for developers to create third-party applications as well as integrate ConnectYard functionality into other existing platforms.