The Google Custom Search .NET library by Google interacts with the search and customization functionalities of the API. It contains guides to setup with authentication and authorization, simple API example, web applications, and service accounts. Besides this .NET library can access custom search, additional APIs can be also supported with their respective documentation. A complete list: https://developers.google.com/api-client-library/dotnet/apis/
Gravity, focused on personalizing the internet, has launched a new series of free APIs to further its mission. The APIs enable web publishers to recommend content to users in addition to sponsored stories from paying advertisers. Prior to the API offering, Gravity tools provided recommendations based on demographic and interests through widgets and home page personalization. The API should expand Gravity's reach into mobile apps and deeper web adoption.
Ever wondered what impact your active presence on the Web has? For example, when you write a blog post or tweet about something, you may be interested in how many tweets your post receives and how many users can potentially reach your post. There are many ways to measure your social impact, however, to cover all social channels and platforms can be difficult to achieve. A Silicon Valley based company BackType builds an analytics platform that helps you understand your social impact at large.
BackType's major goal is to give users a very comprehensive view of all social media. Today, it supports over one million sites and networks including Twitter and Facebook. When your app wants to get all the data that comes from Twitter, you can use the Twitter's Streaming API which is the subject to various limits. BackType, however, belongs among those few that have the unlimited access to the full Twitter firehose. It can access more than 50 million tweets a day coursing through Twitter.