diff --git a/proxy/httpproxy/handler.go b/proxy/httpproxy/handler.go
index 99261f1ed2..ad3f93961a 100644
--- a/proxy/httpproxy/handler.go
+++ b/proxy/httpproxy/handler.go
@@ -35,6 +35,7 @@ func NewHTTPProxyHandler() http.Handler {
 	router.HandleFunc("/rawkv/client/{id}/batch-delete", rawkv.handlerFunc(rawkv.BatchDelete))
 	router.HandleFunc("/rawkv/client/{id}/delete-range", rawkv.handlerFunc(rawkv.DeleteRange))
 	router.HandleFunc("/rawkv/client/{id}/scan", rawkv.handlerFunc(rawkv.Scan))
+	router.HandleFunc("/rawkv/client/{id}/reverse-scan", rawkv.handlerFunc(rawkv.ReverseScan))
 
 	txnkv := txnkvHandler{p: proxy.NewTxn()}
 	router.HandleFunc("/txnkv/client/new", txnkv.handlerFunc(txnkv.New))
diff --git a/proxy/httpproxy/rawkv.go b/proxy/httpproxy/rawkv.go
index 809ef537e6..797c6c0c60 100644
--- a/proxy/httpproxy/rawkv.go
+++ b/proxy/httpproxy/rawkv.go
@@ -126,6 +126,14 @@ func (h rawkvHandler) Scan(vars map[string]string, r *RawRequest) (*RawResponse,
 	return &RawResponse{Keys: keys, Values: values}, http.StatusOK, nil
 }
 
+func (h rawkvHandler) ReverseScan(vars map[string]string, r *RawRequest) (*RawResponse, int, error) {
+	keys, values, err := h.p.ReverseScan(proxy.UUID(vars["id"]), r.StartKey, r.EndKey, r.Limit)
+	if err != nil {
+		return nil, http.StatusInternalServerError, err
+	}
+	return &RawResponse{Keys: keys, Values: values}, http.StatusOK, nil
+}
+
 func (h rawkvHandler) handlerFunc(f func(map[string]string, *RawRequest) (*RawResponse, int, error)) func(http.ResponseWriter, *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
 		data, err := ioutil.ReadAll(r.Body)
diff --git a/proxy/rawkv.go b/proxy/rawkv.go
index 7de0d658e9..6ede955198 100644
--- a/proxy/rawkv.go
+++ b/proxy/rawkv.go
@@ -127,3 +127,13 @@ func (p RawKVProxy) Scan(id UUID, startKey, endKey []byte, limit int) ([][]byte,
 	}
 	return client.(*rawkv.Client).Scan(startKey, endKey, limit)
 }
+
+// ReverseScan queries continuous kv pairs in range [endKey, startKey), up to limit pairs.
+// Direction is different from Scan, upper to lower.
+func (p RawKVProxy) ReverseScan(id UUID, startKey, endKey []byte, limit int) ([][]byte, [][]byte, error) {
+	client, ok := p.clients.Load(id)
+	if !ok {
+		return nil, nil, errors.WithStack(ErrClientNotFound)
+	}
+	return client.(*rawkv.Client).ReverseScan(startKey, endKey, limit)
+}