diff --git a/request.go b/request.go
index a7d07cb..7d4557d 100644
--- a/request.go
+++ b/request.go
@@ -48,12 +48,110 @@ type CreditCardDetail struct {
     SavedTokenIdExpireAt string `json:"saved_token_id_expired_at"`
 }
 
+type PermataBankTransferDetail struct {
+    Bank Bank `json:"bank"`
+}
+
+type BCABankTransferLangDetail struct {
+    LangID string `json:"id,omitempty"`
+    LangEN string `json:"id,omitempty"`
+}
+
+/*
+    Example of usage syntax:
+    midtrans.BCABankTransferDetail{
+        FreeText: {
+            Inquiry: []midtrans.BCABankTransferLangDetail{
+                {
+                    LangEN: "Test",
+                    LangID: "Coba",
+                },
+            },
+        },
+    }
+ */
+type BCABankTransferDetail struct {
+    Bank Bank `json:"bank"`
+    VaNumber string `json:"va_number"`
+    FreeText struct {
+        Inquiry []BCABankTransferDetail `json:"inquiry"`
+        Payment []BCABankTransferDetail `json:"payment"`
+    } `json:"free_text"`
+}
+
+type MandiriBillBankTransferDetail struct {
+    BillInfo1 string `json:"bill_info1"`
+    BillInfo2 string `json:"bill_info2"`
+}
+
+type BankTransferDetail struct {
+    *PermataBankTransferDetail
+    *BCABankTransferDetail
+    *MandiriBillBankTransferDetail
+}
+
+// Internet Banking for BCA KlikPay
+type BCAKlikPayDetail struct {
+    // 1 = normal, 2 = installment, 3 = normal + installment
+    Type string `json:"type"`
+    Desc string `json:"description"`
+    MiscFee int64 `json:"misc_fee,omitempty"`
+}
+
+type BCAKlikBCADetail struct {
+    Desc string `json:"description"`
+    UserID string `json:"user_id"`
+}
+
+type MandiriClickPayDetail struct {
+    CardNumber string `json:"card_number"`
+    Input1 string `json:"input1"`
+    Input2 string `json:"input2"`
+    Input3 string `json:"input3"`
+    Token string `json:"token"`
+}
+
+type CIMBClicksDetail struct {
+    Desc string `json:"description"`
+}
+
+type TelkomselCashDetail struct {
+    Promo bool `json:"promo"`
+    IsReversal int8 `json:"is_reversal"`
+    Customer string `json:"customer"`
+}
+
+type IndosatDompetkuDetail struct {
+    MSISDN string `json:"msisdn"`
+}
+
+type MandiriEcashDetail struct {
+    Desc string `json:"description"`
+}
+
+type ConvStoreDetail struct {
+    Store string `json:"store"`
+    Message string `json:"message"`
+}
+
 // Represent the request payload
 type ChargeReq struct {
     PaymentType PaymentType `json:"payment_type"`
     TransactionDetails TransactionDetails `json:"transaction_details"`
-    CreditCard CreditCardDetail `json:"credit_card,omitempty"`
-    Items []ItemDetail `json:"item_details"`
+
+    CreditCard *CreditCardDetail `json:"credit_card,omitempty"`
+    BankTransfer *BankTransferDetail `json:"bank_transfer,omitempty"`
+
+    BCAKlikPay *BCAKlikPayDetail `json:"bca_klikpay,omitempty"`
+    BCAKlikBCA *BCAKlikBCADetail `json:"bca_klikbca"`
+    MandiriClickPay *MandiriClickPayDetail `json:"mandiri_clickpay"`
+    CIMBClicks *CIMBClicksDetail `json:"cimb_clicks"`
+    TelkomselCash *TelkomselCashDetail `json:"telkomsel_cash"`
+    IndosatDompetku *IndosatDompetkuDetail `json:"indosat_dompetku"`
+
+    ConvStore *ConvStoreDetail `json:"cstore"`
+
+    Items []ItemDetail `json:"item_details,omitempty"`
     CustField1 string `json:"custom_field1,omitempty"`
     CustField2 string `json:"custom_field2,omitempty"`
     CustField3 string `json:"custom_field3,omitempty"`