Using hoptoad ring middleware

hoptoad_ring.clj

(use 'ring.adapter.jetty)
(use 'ring.middleware.params)
(use 'ring.middleware.stacktrace)
(use 'clj-hoptoad.ring)

(defn app [req]
  {:status  200
   :headers {"Content-Type" "text/html"}
   :body    (throw (Exception. "Testing"))})

(run-jetty (-> app
               (wrap-params)
               (wrap-hoptoad "APIKEY")
               (wrap-stacktrace))
           {:port 8080})