Eventbrite.NET is an API wrapper for EventBrite API, it lets developers to integrate their .Net applications with the EventBrite API, authorizing their applications to interact with the API in .Net. HTTP GET calls are used to make requests to the API.
Crowd.fm is an easy-to-use platform created to promote events online. It's been described by its founder Tekin Suleyman as "an amazing platform for getting events listed with a single click." The company provides the Crowd.fm API to provide developers integration options.
Twitter recently added more data to each tweet it returns via the API. Now your applications can access the number of retweets, whether you have retweeted a tweet and additional information about the user who wrote the tweet. The new information used to require subsequent calls to the Twitter API, or perhaps looking up a cached value from your own database.