I looked through the API documentation but couldn\'t find it. It would be nice to grab that number to see how popular a url is. Engadget uses the twitter share button on a
This is not possible anymore as from today, you can read more here:
https://twitter.com/twitterdev/status/667836799897591808
And no plans to implement it back, unfortunately.
Up vote so users do not lose time trying out.
Update: It is however possible via http://opensharecount.com, they provide a drop-in replacement for the old private JSON URL based on searches made via the API (so you don't need to do all that work).
It's based on the REST API Search endpoints. Its still new system, so we should see how it goes. In the future we can expect more of similar systems, because there is huge demand.