URL /?id={url}

GET /v2.8/?id=http%3A%2F%2Fwww.imdb.com%2Ftitle%2Ftt2015381%2F HTTP/1.1
Host: graph.facebook.com

/* PHP SDK v5.0.0 */
/* make the API call */
$request = new FacebookRequest(
  $session,
  'GET',
  '/',
  array (
    'id' => 'http://www.imdb.com/title/tt2015381/',
  )
);
$response = $request->execute();
$graphObject = $response->getGraphObject();
/* handle the result */

/* make the API call */
FB.api(
    "/",
    {
        "id": "http:\/\/www.imdb.com\/title\/tt2015381\/"
    },
    function (response) {
      if (response && !response.error) {
        /* handle the result */
      }
    }
);

Bundle params = new Bundle();
params.putString("id", "http://www.imdb.com/title/tt2015381/");
/* make the API call */
new GraphRequest(
    AccessToken.getCurrentAccessToken(),
    "/",
    params,
    HttpMethod.GET,
    new GraphRequest.Callback() {
        public void onCompleted(GraphResponse response) {
            /* handle the result */
        }
    }
).executeAsync();

// For more complex open graph stories, use `FBSDKShareAPI`
// with `FBSDKShareOpenGraphContent`
NSDictionary *params = @{
  @"id": @"http://www.imdb.com/title/tt2015381/",
};
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                               initWithGraphPath:@"/"
                                      parameters:params
                                      HTTPMethod:@"GET"];
[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    // Handle the result
}];