diff --git a/base/v1/msg.proto b/base/v1/msg.proto
index 17651a1..1847a44 100644
--- a/base/v1/msg.proto
+++ b/base/v1/msg.proto
@@ -15,6 +15,9 @@ message IdReq {
 }
 
 
+message YesNoRes{
+  bool yes = 1;
+}
 message PaginationReq {
   uint32 page = 1; // in query param it will be p
   uint32 page_size = 2; // in query param it will be pz
diff --git a/wallet/v1/msg.proto b/wallet/v1/msg.proto
index 523b34e..6fffc36 100644
--- a/wallet/v1/msg.proto
+++ b/wallet/v1/msg.proto
@@ -71,6 +71,12 @@ message BalanceReq{
   auth.v1.InternalIAM iam = 1;
   int64 asset_id = 2;
 }
+message CheckBalanceReq{
+  auth.v1.InternalIAM iam = 1;
+  int64 asset_id = 2;
+  optional double amount = 3; // Checks if user have enough balance
+}
+
 
 message BalanceRes{
   double available_balance = 1;
diff --git a/wallet/v1/srv.proto b/wallet/v1/srv.proto
index c464cc0..681e634 100644
--- a/wallet/v1/srv.proto
+++ b/wallet/v1/srv.proto
@@ -26,7 +26,8 @@ service WalletService {
 
   rpc UserInitWallet(UserInitWalletReq) returns (base.v1.StatusRes);
   rpc UserGetWalletList(auth.v1.InternalIAM) returns (WalletList);
-rpc GetBalance(BalanceReq) returns (BalanceRes);
+  rpc GetBalance(BalanceReq) returns (BalanceRes);
+  rpc CheckBalance(CheckBalanceReq) returns (base.v1.YesNoRes);
 
   rpc UserGetTransactionList(UserGetTransactionListReq) returns (TransactionList);