ihorvorotnov

Facebook*:
https://api.facebook.com/method/links.getStats?urls=%%URL%%&format=json
+ works, returns shares, likes, comments and total

Twitter: 
http://urls.api.twitter.com/1/urls/count.json?url=%%URL%%&callback=twttr.receiveCount
+ v1 API but still works

Reddit:
http://buttons.reddit.com/button_info.json?url=%%URL%%