diff --git a/main.go b/main.go
index 4bb7ba9..cb26a9d 100755
--- a/main.go
+++ b/main.go
@@ -31,17 +31,19 @@ func main() {
 	}
 }
 
+var bodyRepeat, n int
+var path, host, method, body, headers, brandID, userID, issuer, basicAuth, claims string
+var ca, cert, key, secret string
+var needJWT, verbose, jsonPP, quiet, responseHeaders bool
+var timeout, lag time.Duration
+
 func Main() error {
-	var bodyRepeat int
-	var path, host, method, body, headers, brandID, userID, issuer, basicAuth, claims string
-	var ca, cert, key, secret string
-	var needJWT, verbose, jsonPP, quiet bool
-	var timeout, lag time.Duration
 	flag.StringVar(&method, "method", "get", "method for request")
 	flag.StringVar(&path, "path", "fieldsetdefinitions/v1/index/surveys/SV_031sm3MMOPSa8Tz/fieldsets?assumeHasPermission=true", "path for request")
 	flag.StringVar(&host, "host", "data-platform.service.b1-prv.consul:8080", "host and port for request")
 	flag.StringVar(&body, "body", "", "body for request")
 	flag.IntVar(&bodyRepeat, "bodyrepeat", 1, "repeat body for request")
+	flag.IntVar(&n, "n", 1, "how many times to execute")
 	flag.StringVar(&brandID, "brand", "testencresponse", "brandID for request JWT")
 	flag.StringVar(&userID, "user", "breel", "userid for request JWT")
 	flag.StringVar(&basicAuth, "auth", "", "comma separated user,password for basic auth")
@@ -50,6 +52,7 @@ func Main() error {
 	flag.BoolVar(&needJWT, "jwt", true, "need jwt boolean")
 	flag.BoolVar(&jsonPP, "jpp", true, "try json pretty print")
 	flag.BoolVar(&verbose, "v", false, "is verbose")
+	flag.BoolVar(&responseHeaders, "i", false, "print response headers")
 	flag.BoolVar(&quiet, "q", false, "is quiet")
 	flag.DurationVar(&timeout, "t", time.Second*10, "request timeout")
 	flag.DurationVar(&lag, "lag", time.Second*0, "writing request lag after connecting")
@@ -69,6 +72,15 @@ func Main() error {
 		host = "http://" + host
 	}
 
+	for i := 0; i < n; i++ {
+		if err := do(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func do() error {
 	c := makeClient(timeout, ca, cert, key)
 	var reqBody io.Reader
 	if bodyRepeat >= 1 {
@@ -85,14 +97,16 @@ func Main() error {
 	if err != nil {
 		return err
 	}
-	req.Header.Set("brandId", brandID)
 	req.Header.Set("Content-Type", "application/json")
 	if len(headers) > 0 {
 		for _, pair := range strings.Split(headers, ",") {
 			kv := strings.Split(pair, "=")
-			req.Header.Set(kv[0], kv[1])
+			req.Header.Add(kv[0], strings.Join(kv[1:], "="))
 		}
 	}
+	if req.Header.Get("brandId") == "" {
+		req.Header.Set("brandId", brandID)
+	}
 	if needJWT {
 		setJWT(verbose, req, brandID, userID, issuer, secret, claims)
 	}
@@ -105,7 +119,10 @@ func Main() error {
 	}
 
 	if verbose {
-		fmt.Fprintf(os.Stderr, "%v\n", req)
+		fmt.Fprintf(os.Stderr, "%+v\n", req)
+		for k, v := range req.Header {
+			fmt.Fprintf(os.Stderr, "\t[%s] = (%d) %+v\n", k, len(v), v)
+		}
 	}
 	start := time.Now()
 	resp, err := c.Do(req)
@@ -113,9 +130,6 @@ func Main() error {
 	if err != nil {
 		return fmt.Errorf("DO failed: %v", err)
 	}
-	if verbose {
-		fmt.Fprintf(os.Stderr, "%v\n", resp.Header)
-	}
 	b, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
 		return fmt.Errorf("READ BODY failed: %v", err)
@@ -123,6 +137,16 @@ func Main() error {
 	defer resp.Body.Close()
 
 	fmt.Fprintf(os.Stderr, "(%d / %v) ", resp.StatusCode, elapsed)
+	if responseHeaders || verbose {
+		f := os.Stdout
+		if verbose {
+			f = os.Stderr
+		}
+		fmt.Fprintf(f, "\n")
+		for k := range resp.Header {
+			fmt.Fprintf(f, "%s: %s\n", k, resp.Header.Get(k))
+		}
+	}
 	if jsonPP {
 		var v interface{}
 		if err := json.Unmarshal(b, &v); err == nil {
@@ -169,7 +193,8 @@ func makeClient(timeout time.Duration, ca, cert, key string) *http.Client {
 
 func setJWT(verbose bool, r *http.Request, brandID, userID string, issuer, secret, claims string) {
 	signer := &jwt.Signer{
-		Key: []byte(secret),
+		Timeout: time.Hour,
+		Key:     []byte(secret),
 		DefaultClaims: jwt.Claims{
 			Audience: "qualtrics",
 			Issuer:   issuer,
@@ -195,7 +220,7 @@ func setJWT(verbose bool, r *http.Request, brandID, userID string, issuer, secre
 	}
 
 	if verbose {
-		log.Println(*signer)
+		log.Printf("%+v", *signer)
 	}
 }