How to track public URLs on Facebook and Twitter?

Is there any way to track a certain URL (let's say http://domain.com/example) on Facebook and Twitter? Do any of the respective APIs enable u开发者_如何学编程sers to access the number of public shares, likes or retweets from a given public publication/tweet, without forcing users to authenticate?

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On Facebook you can do it by usin Graph API:

https://graph.facebook.com/?ids=http://www.imdb.com/title/tt0117500/

To retrieve comments, you should use comments connection:

https://graph.facebook.com/comments?ids=http://www.imdb.com/title/tt0117500/

And so on.