Wechat_service_message NPM

Simple use

var Service_Message = require('wechat_service_message');

var sendData = {
	type: type,							//type can be "text", "image" or "voice"
	media_id: media_id,					//media_id is the response you got from https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=TYPE
	touser: toUser,						//the user_id in wechat-qy
	openid: openid,						//the openid in wechat-mp
	access_token: access_token			//use CorpID and Secret in the qy kf service to exchange access_token
};										

Service_Message.sendMessage(sendData);

Where access_token is the access_token you got from other api.
data is an object including type content touser openid and access_token