ScribeJava Dropbox API example

private static String getAccountID(OAuthService service, Token accessToken) {
    OAuthRequest request = new OAuthRequest(Verb.POST, "https://api.dropboxapi.com/2/users/get_current_account", service);
    request.addHeader("authorization", "Bearer " + accessToken.getToken());
    request.addHeader("Content-Type",  "");

    Response response = request.send();

    JSONObject rj = (JSONObject) JSONValue.parse(response.getBody());

    return rj.get("account_id").toString();

}