Just a snippet of how to do GET/POST request in Groovy Grails. try{ HttpBuilder http = new HTTPBuilder('your URL here') def postBody = [name: 'bob', title: 'construction worker'] http.post(body: postBody, requestContentType: ContentType.JSON) { resp, json -> //This is to assume everything is successful within this //closure println "response status " + resp.statusLine println "json response " + json } }catc...