diff --git a/registry/registry.go b/registry/registry.go
index 7d4c18f..bef09f6 100644
--- a/registry/registry.go
+++ b/registry/registry.go
@@ -3,4 +3,5 @@ package registry
 type RESTInvoker interface {
 	HasMethod(method string) bool
 	Invoke(method string, params []string, leadingParams ...interface{}) (result interface{}, err error)
+	InvokeWithBytes(method string, params [][]byte, leadingParams ...interface{}) (result interface{}, err error)
 }
diff --git a/registry/rest-registry.go b/registry/rest-registry.go
index cbafcbb..fba1a18 100644
--- a/registry/rest-registry.go
+++ b/registry/rest-registry.go
@@ -1,7 +1,9 @@
 package registry
 
 import (
+	"fmt"
 	"reflect"
+	"strconv"
 
 	cuej "git.loafle.net/commons/util-go/encoding/json"
 	cus "git.loafle.net/commons/util-go/service"
@@ -87,6 +89,48 @@ func (rr *restRegistry) HasMethod(method string) bool {
 	return false
 }
 
+// Invoke execute a method.
+//
+// Codecs are defined to process a given serialization scheme, e.g., JSON or
+// XML. A codec is chosen based on the "Content-Type" header from the request,
+// excluding the charset definition.
+func (rr *restRegistry) InvokeWithBytes(method string, params [][]byte, leadingParams ...interface{}) (result interface{}, err error) {
+	_, methodSpec, errGet := rr.serviceRegistry.Get(method)
+	if nil != errGet {
+		return nil, errGet
+	}
+	// Decode the args.
+
+	pValues, pInstances := methodSpec.ParamValues()
+
+	lParamLen := 0
+	if nil != leadingParams {
+		lParamLen = len(leadingParams)
+	}
+
+	var _params []string
+
+	if nil != pInstances && 0 < len(pInstances) {
+		if len(pInstances) != (len(params) + lParamLen) {
+			return nil, fmt.Errorf("count of parameter is not same method[%d] and %d", len(pInstances), (len(params) + lParamLen))
+		}
+
+		for indexC := 0; indexC < len(params); indexC++ {
+			if pValues[indexC+lParamLen].Type().Kind() != reflect.String {
+				_params = append(_params, string(params[indexC]))
+				continue
+			}
+			ts, err := strconv.Unquote(string(params[indexC]))
+			if nil != err {
+				return nil, err
+			}
+			_params = append(_params, ts)
+		}
+	}
+
+	return rr.Invoke(method, _params, leadingParams...)
+}
+
 // Invoke execute a method.
 //
 // Codecs are defined to process a given serialization scheme, e.g., JSON or