diff --git a/client/keys_test.go b/client/keys_test.go
index 1ab0937a1..d2428c72d 100644
--- a/client/keys_test.go
+++ b/client/keys_test.go
@@ -224,7 +224,7 @@ func assertResponse(got http.Request, wantURL *url.URL, wantHeader http.Header,
 		}
 	} else {
 		if wantBody == nil {
-			return fmt.Errorf("want.Body=%v got.Body=%v", wantBody, got.Body)
+			return fmt.Errorf("want.Body=%v got.Body=%s", wantBody, got.Body)
 		} else {
 			gotBytes, err := ioutil.ReadAll(got.Body)
 			if err != nil {
@@ -232,7 +232,7 @@ func assertResponse(got http.Request, wantURL *url.URL, wantHeader http.Header,
 			}
 
 			if !reflect.DeepEqual(wantBody, gotBytes) {
-				return fmt.Errorf("want.Body=%v got.Body=%v", wantBody, gotBytes)
+				return fmt.Errorf("want.Body=%s got.Body=%s", wantBody, gotBytes)
 			}
 		}
 	}
diff --git a/client/members.go b/client/members.go
index 0b551878b..d178b9a76 100644
--- a/client/members.go
+++ b/client/members.go
@@ -26,6 +26,7 @@ import (
 	"time"
 
 	"github.com/coreos/etcd/etcdserver/etcdhttp/httptypes"
+	"github.com/coreos/etcd/pkg/types"
 )
 
 var (
@@ -82,7 +83,12 @@ func (m *httpMembersAPI) List() ([]httptypes.Member, error) {
 }
 
 func (m *httpMembersAPI) Add(peerURL string) (*httptypes.Member, error) {
-	req := &membersAPIActionAdd{peerURL: peerURL}
+	urls, err := types.NewURLs([]string{peerURL})
+	if err != nil {
+		return nil, err
+	}
+
+	req := &membersAPIActionAdd{peerURLs: urls}
 	code, body, err := m.client.doWithTimeout(req)
 	if err != nil {
 		return nil, err
@@ -128,11 +134,11 @@ func (d *membersAPIActionRemove) httpRequest(ep url.URL) *http.Request {
 }
 
 type membersAPIActionAdd struct {
-	peerURL string
+	peerURLs types.URLs
 }
 
 func (a *membersAPIActionAdd) httpRequest(ep url.URL) *http.Request {
-	m := httptypes.Member{PeerURLs: []string{a.peerURL}}
+	m := httptypes.MemberCreateRequest{PeerURLs: a.peerURLs}
 	b, _ := json.Marshal(&m)
 	req, _ := http.NewRequest("POST", ep.String(), bytes.NewReader(b))
 	req.Header.Set("Content-Type", "application/json")
diff --git a/client/members_test.go b/client/members_test.go
index b8cdd2bc4..e003be2e5 100644
--- a/client/members_test.go
+++ b/client/members_test.go
@@ -20,20 +20,66 @@ import (
 	"net/http"
 	"net/url"
 	"testing"
+
+	"github.com/coreos/etcd/pkg/types"
 )
 
-func TestMembersAPIListAction(t *testing.T) {
+func TestMembersAPIActionList(t *testing.T) {
 	ep := url.URL{Scheme: "http", Host: "example.com/v2/members"}
+	act := &membersAPIActionList{}
+
 	wantURL := &url.URL{
 		Scheme: "http",
 		Host:   "example.com",
 		Path:   "/v2/members",
 	}
 
-	act := &membersAPIActionList{}
 	got := *act.httpRequest(ep)
 	err := assertResponse(got, wantURL, http.Header{}, nil)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
+	}
+}
+
+func TestMembersAPIActionAdd(t *testing.T) {
+	ep := url.URL{Scheme: "http", Host: "example.com/v2/admin/members"}
+	act := &membersAPIActionAdd{
+		peerURLs: types.URLs([]url.URL{
+			url.URL{Scheme: "https", Host: "127.0.0.1:8081"},
+			url.URL{Scheme: "http", Host: "127.0.0.1:8080"},
+		}),
+	}
+
+	wantURL := &url.URL{
+		Scheme: "http",
+		Host:   "example.com",
+		Path:   "/v2/admin/members",
+	}
+	wantHeader := http.Header{
+		"Content-Type": []string{"application/json"},
+	}
+	wantBody := []byte(`{"peerURLs":["https://127.0.0.1:8081","http://127.0.0.1:8080"]}`)
+
+	got := *act.httpRequest(ep)
+	err := assertResponse(got, wantURL, wantHeader, wantBody)
+	if err != nil {
+		t.Error(err.Error())
+	}
+}
+
+func TestMembersAPIActionRemove(t *testing.T) {
+	ep := url.URL{Scheme: "http", Host: "example.com/v2/members"}
+	act := &membersAPIActionRemove{memberID: "XXX"}
+
+	wantURL := &url.URL{
+		Scheme: "http",
+		Host:   "example.com",
+		Path:   "/v2/members/XXX",
+	}
+
+	got := *act.httpRequest(ep)
+	err := assertResponse(got, wantURL, http.Header{}, nil)
+	if err != nil {
+		t.Error(err.Error())
 	}
 }
diff --git a/etcdserver/etcdhttp/httptypes/member.go b/etcdserver/etcdhttp/httptypes/member.go
index 06fd0ccb8..6d8554ed0 100644
--- a/etcdserver/etcdhttp/httptypes/member.go
+++ b/etcdserver/etcdhttp/httptypes/member.go
@@ -33,6 +33,20 @@ type MemberCreateRequest struct {
 	PeerURLs types.URLs
 }
 
+func (m *MemberCreateRequest) MarshalJSON() ([]byte, error) {
+	s := struct {
+		PeerURLs []string `json:"peerURLs"`
+	}{
+		PeerURLs: make([]string, len(m.PeerURLs)),
+	}
+
+	for i, u := range m.PeerURLs {
+		s.PeerURLs[i] = u.String()
+	}
+
+	return json.Marshal(&s)
+}
+
 func (m *MemberCreateRequest) UnmarshalJSON(data []byte) error {
 	s := struct {
 		PeerURLs []string `json:"peerURLs"`
diff --git a/etcdserver/etcdhttp/httptypes/member_test.go b/etcdserver/etcdhttp/httptypes/member_test.go
index 2b07c28b0..823f44630 100644
--- a/etcdserver/etcdhttp/httptypes/member_test.go
+++ b/etcdserver/etcdhttp/httptypes/member_test.go
@@ -199,3 +199,22 @@ func TestMemberCreateRequestUnmarshalFail(t *testing.T) {
 		}
 	}
 }
+
+func TestMemberCreateRequestMarshal(t *testing.T) {
+	req := MemberCreateRequest{
+		PeerURLs: types.URLs([]url.URL{
+			url.URL{Scheme: "http", Host: "127.0.0.1:8081"},
+			url.URL{Scheme: "https", Host: "127.0.0.1:8080"},
+		}),
+	}
+	want := []byte(`{"peerURLs":["http://127.0.0.1:8081","https://127.0.0.1:8080"]}`)
+
+	got, err := json.Marshal(&req)
+	if err != nil {
+		t.Fatalf("Marshal returned unexpected err=%v", err)
+	}
+
+	if !reflect.DeepEqual(want, got) {
+		t.Fatalf("Failed to marshal MemberCreateRequest: want=%s, got=%s", want, got)
+	}
+}