code: public DbxAccountInfo getAccountInfo()
          throws DbxException
      {
          String host = this.host.getApi();
          String apiPath = "1/account/info";
  
          return doGet(host, apiPath, null, null, new DbxRequestUtil.ResponseHandler<DbxAccountInfo>() {
              @Override
              public DbxAccountInfo handle(HttpRequestor.Response response) throws DbxException
              {
                  if (response.getStatusCode() != 200) throw DbxRequestUtil.unexpectedStatus(response);
  
                  return DbxRequestUtil.readJsonFromResponse(DbxAccountInfo.Reader, response);
              }
          });
      }
docs: Retrieve the user's account information.