With the ASP.NET Web API you can build HTTP services for browsers and mobile devices. It provides a platform for building RESTful applications on the .NET Framework. They can return any kind of content that the web supports, including JSON and XML.
The following is a list of SDKs from our SDK directory that matched your search term. Though your definition of an SDK may differ, in our world, we define SDKs as platform- specific tools for consuming existing APIs of the sort we list in our API directory. For example, the Ruby SDK for consuming the Twitter Ads API. If you think an SDK, API, or other asset is missing from our directory, be sure to check our guidelines for making contributions to ProgrammableWeb.