Groovy built-in REST/HTTP client?

Native Groovy GET and POST // GET def get = new URL(“https://httpbin.org/get”).openConnection(); def getRC = get.getResponseCode(); println(getRC); if (getRC.equals(200)) { println(get.getInputStream().getText()); } // POST def post = new URL(“https://httpbin.org/post”).openConnection(); def message=”{“message”:”this is a message”}” post.setRequestMethod(“POST”) post.setDoOutput(true) post.setRequestProperty(“Content-Type”, “application/json”) post.getOutputStream().write(message.getBytes(“UTF-8”)); def postRC = post.getResponseCode(); println(postRC); if (postRC.equals(200)) { println(post.getInputStream().getText()); }