diff --git a/response_writer.go b/response_writer.go
index 923b53f8..680bc1e2 100644
--- a/response_writer.go
+++ b/response_writer.go
@@ -21,6 +21,7 @@ type responseWriterBase interface {
 	http.Hijacker
 	http.Flusher
 	http.CloseNotifier
+	io.ReaderFrom
 
 	// Returns the HTTP response status code of the current request.
 	Status() int
@@ -113,3 +114,11 @@ func (w *responseWriter) Flush() {
 	w.WriteHeaderNow()
 	w.ResponseWriter.(http.Flusher).Flush()
 }
+
+// ReadFrom implements the io.ReaderFrom interface.
+func (w *responseWriter) ReadFrom(src io.Reader) (n int64, err error) {
+	w.WriteHeaderNow()
+	n, err = io.Copy(w.ResponseWriter, src)
+	w.size += int(n)
+	return
+}
diff --git a/response_writer_test.go b/response_writer_test.go
index b8c5c885..caa64064 100644
--- a/response_writer_test.go
+++ b/response_writer_test.go
@@ -5,8 +5,10 @@
 package gin
 
 import (
+	"io"
 	"net/http"
 	"net/http/httptest"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -23,6 +25,7 @@ var _ http.ResponseWriter = ResponseWriter(&responseWriter{})
 var _ http.Hijacker = ResponseWriter(&responseWriter{})
 var _ http.Flusher = ResponseWriter(&responseWriter{})
 var _ http.CloseNotifier = ResponseWriter(&responseWriter{})
+var _ io.ReaderFrom = ResponseWriter(&responseWriter{})
 
 func init() {
 	SetMode(TestMode)
@@ -129,3 +132,23 @@ func TestResponseWriterFlush(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
 }
+
+func TestResponseWriterReadFrom(t *testing.T) {
+	testWriter := httptest.NewRecorder()
+	writer := &responseWriter{}
+	writer.reset(testWriter)
+	w := ResponseWriter(writer)
+
+	n, err := io.Copy(w, strings.NewReader("hola"))
+	assert.Equal(t, int64(4), n)
+	assert.Equal(t, 4, w.Size())
+	assert.Equal(t, http.StatusOK, w.Status())
+	assert.Equal(t, http.StatusOK, testWriter.Code)
+	assert.Equal(t, "hola", testWriter.Body.String())
+	assert.NoError(t, err)
+	n, err = writer.ReadFrom(strings.NewReader(" adios"))
+	assert.Equal(t, int64(6), n)
+	assert.Equal(t, 10, w.Size())
+	assert.Equal(t, testWriter.Body.String(), "hola adios")
+	assert.NoError(t, err)
+}