npm install express request socket.io

// add slack token
const token = "xxx...";

// set white list domain
const whiteList =['http://127.0.0.1','http://localhost']

//Ajax Request
	
	var xhttp = new XMLHttpRequest();
        xhttp.open("GET","http://apidomain/http/api/[email protected]",true);
        xhttp.setRequestHeader("Content-type", "application/json");
        xhttp.onreadystatechange = function () {
            if(this.readyState == 4 && this.status == 200)
                // response here
            if(this.status != 200)
                // error
        };
        xhttp.send();
		
//socket io client side

	//send email data
	socket.emit('http-api-request', { email: '[email protected]' });
	
	// response data
	socket.on('http-api-response', function (data) {
		console.log(data);
	});