Пример работы с подсказками DaData на JScript + XMLHTTP

suggest-xmlhttp.js

var API_KEY = "ВАШ_API_КЛЮЧ";

function suggest(resource, query) {
	var http = new ActiveXObject("MSXML2.XMLHTTP");
	http.open("POST", "http://suggestions.dadata.ru/suggestions/api/4_1/rs/suggest/" + resource, false);
	http.setRequestHeader("Content-Type", "application/json");
	http.setRequestHeader("Authorization", "Token " + API_KEY);

	var data = "{ \"query\": \"" + query + "\" }";
	http.send(data);
	
	return http.responseText;
}

resp = suggest("party", "7719402047");
WScript.Echo(resp);