diff --git a/proto/account.proto b/proto/account.proto
index 13a89a4..5027c78 100644
--- a/proto/account.proto
+++ b/proto/account.proto
@@ -4,6 +4,10 @@ package account.v1;
 
 service AccountService {
   rpc GetAccount(GetAccountRequest) returns (GetAccountResponse);
+  rpc InitEmailChange(InitEmailChangeRequest) returns (InitEmailChangeResponse);
+  rpc ConfirmEmailChange(ConfirmEmailChangeRequest) returns (ConfirmEmailChangeResponse);
+  rpc InitPhoneChange(InitPhoneChangeRequest) returns (InitPhoneChangeResponse);
+  rpc ConfirmPhoneChange(ConfirmPhoneChangeRequest) returns (ConfirmPhoneChangeResponse);
 }
 
 message GetAccountRequest {
@@ -22,3 +26,37 @@ enum Role {
   USER = 0;
   ADMIN = 1;
 }
+
+message InitEmailChangeRequest {
+  string email = 1;
+  string user_id = 2;
+}
+message InitEmailChangeResponse {
+  bool ok = 1;
+}
+
+message ConfirmEmailChangeRequest {
+  string email = 1;
+  string code = 2;
+  string user_id = 3;
+}
+message ConfirmEmailChangeResponse {
+  bool ok = 1;
+}
+
+
+message InitPhoneChangeRequest {
+  string phone = 1;
+  string user_id = 2;
+}
+message InitPhoneChangeResponse {
+  bool ok = 1;
+}
+message ConfirmPhoneChangeRequest {
+  string phone = 1;
+  string code = 2;
+  string user_id = 3;
+}
+message ConfirmPhoneChangeResponse {
+  bool ok = 1;
+}