Facebook is giving developers until April 30 to update their apps to use the new login and Graph API the company introduced in April last year, before apps are updated automatically.

The graph API is the primary way for Facebook apps to read and write to the Facebook social graph. Many apps use this API, but there are limitations to what it can do.

Facebook does not allow completely anonymous use of the social graph's API. In order to write data to the graph, your program will first have to request an authentication token.

Yesterday was a rather historic day in the world of social media: Facebook unveiled Open Graph, efforts to build a true social web infrastructure that provides metadata everything: websites ...

Finally, Facebook is allowing developers to run test queries through the Graph API Explorer App using their own access tokens.

The big difference between the Open Graph (now in beta) and Facebook’s past API extension for third parties is that, in the site’s own words, it now will “include arbitrary actions and ...

Omg, Facebook Graph Search has exposed my private photos! This kind of email has been rolling into TechCrunch's tip line since the introduction of the new, and still beta, search service from ...

Facebook on Tuesday launched an upgraded search tool, Graph Search, that will scour the social network on a more sophisticated level.

Of all Facebook's data sets, it's the social graph that's truly unique. It's spent nine years getting you to confirm who you know, and apparently it's sick of handing over your friend list to ...