diff --git a/pkg/common/prommetrics/api.go b/pkg/common/prommetrics/api.go
index 15f8a3e31..b80b8df85 100644
--- a/pkg/common/prommetrics/api.go
+++ b/pkg/common/prommetrics/api.go
@@ -5,7 +5,6 @@ import (
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"net/http"
 	"strconv"
-	"time"
 )
 
 const ApiPath = "/metrics"
@@ -17,14 +16,13 @@ var (
 			Name: "api_count",
 			Help: "Total number of API calls",
 		},
-		[]string{"path", "code"},
+		[]string{"path", "method", "code"},
 	)
 	httpCounter = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
 			Name: "http_count",
 			Help: "Total number of HTTP calls",
 		},
-		//[]string{"path", "method", "status", "duration"},
 		[]string{"path", "method", "status"},
 	)
 )
@@ -33,79 +31,16 @@ func init() {
 	apiRegistry.MustRegister(apiCounter, httpCounter)
 }
 
-func APICall(path string, apiCode int) {
-	apiCounter.With(prometheus.Labels{"path": path, "code": strconv.Itoa(apiCode)}).Inc()
+func APICall(path string, method string, apiCode int) {
+	apiCounter.With(prometheus.Labels{"path": path, "method": method, "code": strconv.Itoa(apiCode)}).Inc()
 }
 
-//func HttpCall(path string, method string, status int, duration time.Duration) {
-//	httpCounter.With(prometheus.Labels{"path": path, "method": method, "status": strconv.Itoa(status), "duration": durationRange(duration)}).Inc()
-//}
-
 func HttpCall(path string, method string, status int) {
 	httpCounter.With(prometheus.Labels{"path": path, "method": method, "status": strconv.Itoa(status)}).Inc()
 }
 
-var (
-	durations = [...]time.Duration{
-		time.Millisecond * 1,
-		time.Millisecond * 2,
-		time.Millisecond * 3,
-		time.Millisecond * 4,
-		time.Millisecond * 5,
-		time.Millisecond * 6,
-		time.Millisecond * 7,
-		time.Millisecond * 8,
-		time.Millisecond * 9,
-		time.Millisecond * 10,
-		time.Millisecond * 20,
-		time.Millisecond * 30,
-		time.Millisecond * 40,
-		time.Millisecond * 50,
-		time.Millisecond * 60,
-		time.Millisecond * 70,
-		time.Millisecond * 80,
-		time.Millisecond * 90,
-		time.Millisecond * 100,
-		time.Millisecond * 200,
-		time.Millisecond * 300,
-		time.Millisecond * 400,
-		time.Millisecond * 500,
-		time.Millisecond * 600,
-		time.Millisecond * 700,
-		time.Millisecond * 800,
-		time.Millisecond * 900,
-		time.Second * 1,
-		time.Second * 2,
-		time.Second * 3,
-		time.Second * 4,
-		time.Second * 5,
-		time.Second * 6,
-		time.Second * 7,
-		time.Second * 8,
-		time.Second * 9,
-		time.Second * 10,
-		time.Second * 20,
-		time.Second * 30,
-		time.Second * 40,
-		time.Second * 50,
-		time.Second * 60,
-		time.Second * 70,
-		time.Second * 80,
-		time.Second * 90,
-		time.Second * 100,
-	}
-	maxDuration = durations[len(durations)-1]
-)
-
-func durationRange(duration time.Duration) string {
-	for _, d := range durations {
-		if duration <= d {
-			return d.String()
-		}
-	}
-	return ">" + maxDuration.String()
-}
-
 func ApiHandler() http.Handler {
-	return promhttp.HandlerFor(apiRegistry, promhttp.HandlerOpts{})
+	return promhttp.InstrumentMetricHandler(
+		apiRegistry, promhttp.HandlerFor(apiRegistry, promhttp.HandlerOpts{}),
+	)
 }
diff --git a/pkg/common/prommetrics/api_test.go b/pkg/common/prommetrics/api_test.go
index 3a691c794..b0e0f7b20 100644
--- a/pkg/common/prommetrics/api_test.go
+++ b/pkg/common/prommetrics/api_test.go
@@ -43,6 +43,7 @@ func TestName(t *testing.T) {
 			time.Sleep(time.Second * 3)
 		}
 	}()
+	promhttp.Handler()
 	http.Handle("/metrics", promhttp.HandlerFor(registerer, promhttp.HandlerOpts{}))
 	if err := http.ListenAndServe(":2112", nil); err != nil {
 		panic(err)