diff --git a/pkg/exchange/max/maxapi/account.go b/pkg/exchange/max/maxapi/account.go
index b1c4d4d13..51e12ceab 100644
--- a/pkg/exchange/max/maxapi/account.go
+++ b/pkg/exchange/max/maxapi/account.go
@@ -2,6 +2,7 @@ package max
 
 //go:generate -command GetRequest requestgen -method GET
 //go:generate -command PostRequest requestgen -method POST
+//go:generate -command DeleteRequest requestgen -method DELETE
 
 import (
 	"github.com/c9s/requestgen"
diff --git a/pkg/exchange/max/maxapi/v3/order.go b/pkg/exchange/max/maxapi/v3/order.go
index 9ebc8bebf..ddcbc7217 100644
--- a/pkg/exchange/max/maxapi/v3/order.go
+++ b/pkg/exchange/max/maxapi/v3/order.go
@@ -13,8 +13,8 @@ import (
 type WalletType string
 
 const (
-	WalletTypeSpot   = WalletType("spot")
-	WalletTypeMargin = WalletType("m")
+	WalletTypeSpot   WalletType = "spot"
+	WalletTypeMargin WalletType = "m"
 )
 
 type Order = maxapi.Order
diff --git a/pkg/exchange/max/maxapi/v3/wallet_create_order_request_requestgen.go b/pkg/exchange/max/maxapi/v3/wallet_create_order_request_requestgen.go
index b6d1535ca..477c8ea9e 100644
--- a/pkg/exchange/max/maxapi/v3/wallet_create_order_request_requestgen.go
+++ b/pkg/exchange/max/maxapi/v3/wallet_create_order_request_requestgen.go
@@ -190,6 +190,17 @@ func (w *WalletCreateOrderRequest) GetSlugParameters() (map[string]interface{},
 	}
 	// END TEMPLATE check-required
 
+	// TEMPLATE check-valid-values
+	switch walletType {
+	case WalletTypeSpot, WalletTypeMargin:
+		params["walletType"] = walletType
+
+	default:
+		return nil, fmt.Errorf("walletType value %v is invalid", walletType)
+
+	}
+	// END TEMPLATE check-valid-values
+
 	// assign parameter of walletType
 	params["walletType"] = walletType
 
diff --git a/pkg/exchange/max/maxapi/v3/wallet_get_order_request_requestgen.go b/pkg/exchange/max/maxapi/v3/wallet_get_order_request_requestgen.go
index 71c501206..181dae703 100644
--- a/pkg/exchange/max/maxapi/v3/wallet_get_order_request_requestgen.go
+++ b/pkg/exchange/max/maxapi/v3/wallet_get_order_request_requestgen.go
@@ -190,6 +190,17 @@ func (w *WalletGetOrderRequest) GetSlugParameters() (map[string]interface{}, err
 	}
 	// END TEMPLATE check-required
 
+	// TEMPLATE check-valid-values
+	switch walletType {
+	case WalletTypeSpot, WalletTypeMargin:
+		params["walletType"] = walletType
+
+	default:
+		return nil, fmt.Errorf("walletType value %v is invalid", walletType)
+
+	}
+	// END TEMPLATE check-valid-values
+
 	// assign parameter of walletType
 	params["walletType"] = walletType
 
diff --git a/pkg/exchange/max/maxapi/v3/wallet_order_cancel_all_request_requestgen.go b/pkg/exchange/max/maxapi/v3/wallet_order_cancel_all_request_requestgen.go
index 373320a4c..8f7e071be 100644
--- a/pkg/exchange/max/maxapi/v3/wallet_order_cancel_all_request_requestgen.go
+++ b/pkg/exchange/max/maxapi/v3/wallet_order_cancel_all_request_requestgen.go
@@ -119,6 +119,17 @@ func (w *WalletOrderCancelAllRequest) GetSlugParameters() (map[string]interface{
 	}
 	// END TEMPLATE check-required
 
+	// TEMPLATE check-valid-values
+	switch walletType {
+	case WalletTypeSpot, WalletTypeMargin:
+		params["walletType"] = walletType
+
+	default:
+		return nil, fmt.Errorf("walletType value %v is invalid", walletType)
+
+	}
+	// END TEMPLATE check-valid-values
+
 	// assign parameter of walletType
 	params["walletType"] = walletType