You might not need XXX_SUCCESS, XXX_ERROR for each of your action types in Flux / ReactJS apps.

AppActions.js

/*
 * React.js Starter Kit
 * Copyright (c) 2014 Konstantin Tarkus (@koistya), KriaSoft LLC.
 */

'use strict';

var Dispatcher = require('../core/Dispatcher');
var ActionTypes = require('../constants/ActionTypes');
var SourceTypes = require('../constants/SourceTypes')
var http = require('superagent');

module.exports = {

  loadPage(path) {
    Dispatcher.handleViewAction({
      actionType: ActionTypes.LOAD_PAGE, path: path
    });
  
    http.get('/api/page' + path, (err, res) => {
      Dispatcher.handleServerAction({
        actionType: ActionTypes.LOAD_PAGE, path: path, err: err, page: res
      });
    });
  }

};