diff --git a/backend/app/Platform/Shopee/Constants/PaymentMethod.php b/backend/app/Platform/Shopee/Constants/PaymentMethod.php
new file mode 100644
index 0000000..0877ac0
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+++ b/backend/app/Platform/Shopee/Constants/PaymentMethod.php
@@ -0,0 +1,225 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Platform\Shopee\Constants;
+
+use Hyperf\Constants\Annotation\Constants;
+use Hyperf\Constants\Annotation\Message;
+use Hyperf\Constants\EnumConstantsTrait;
+
+#[Constants]
+enum PaymentMethod: int
+{
+    use EnumConstantsTrait;
+
+    #[Message("Cybersource [ID, VN, TW, SG, MY, TH, PH]")]
+    case CYBERSOURCE = 1;
+
+    #[Message("Nicepay Credit Card [ID]")]
+    case NICEPAY_CREDIT_CARD = 2;
+
+    #[Message("IPay88 Credit Card [MY]")]
+    case IPAY88_CREDIT_CARD = 3;
+
+    #[Message("Airpay Credit Card [PH]")]
+    case AIRPAY_CREDIT_CARD_PH = 4;
+
+    #[Message("Stripe CC [PH]")]
+    case STRIPE_CC = 5;
+
+    #[Message("Airpay Credit Card [ID, VN, TW, TH]")]
+    case AIRPAY_CREDIT_CARD = 6;
+
+    #[Message("Bank Transfer [ID]")]
+    case BANK_TRANSFER_ID = 7;
+
+    #[Message("Bank BCA (Manual Transfer) [ID]")]
+    case BANK_BCA_MANUAL_TRANSFER = 8;
+
+    #[Message("Bank Mandiri (Manual Transfer) [ID]")]
+    case BANK_MANDIRI_MANUAL_TRANSFER = 9;
+
+    #[Message("Bank BNI (Manual Transfer) [ID]")]
+    case BANK_BNI_MANUAL_TRANSFER = 10;
+
+    #[Message("Bank BRI (Manual Transfer) [ID]")]
+    case BANK_BRI_MANUAL_TRANSFER = 11;
+
+    #[Message("Bank CIMB Niaga (Manual Transfer) [ID]")]
+    case BANK_CIMB_NIAGA_MANUAL_TRANSFER = 12;
+
+    #[Message("Bank Transfer [VN]")]
+    case BANK_TRANSFER_VN = 13;
+
+    #[Message("Fubon Bank Transfer [TW]")]
+    case FUBON_BANK_TRANSFER = 14;
+
+    #[Message("Esun Bank Transfer [TW]")]
+    case ESUN_BANK_TRANSFER = 15;
+
+    #[Message("Bank Transfer [TW]")]
+    case BANK_TRANSFER_TW = 16;
+
+    #[Message("Esun CB Bank Transfer [TW]")]
+    case ESUN_CB_BANK_TRANSFER = 17;
+
+    #[Message("Bank Transfer [SG]")]
+    case BANK_TRANSFER_SG = 18;
+
+    #[Message("Bank Transfer [MY]")]
+    case BANK_TRANSFER_MY = 19;
+
+    #[Message("ATM Payment [TH]")]
+    case ATM_PAYMENT = 20;
+
+    #[Message("ATM Payment (BBL) [TH]")]
+    case ATM_PAYMENT_BBL = 21;
+
+    #[Message("Bank Transfer [TH]")]
+    case BANK_TRANSFER_TH = 22;
+
+    #[Message("ATM Payment (KBANK) [TH]")]
+    case ATM_PAYMENT_KBANK = 23;
+
+    #[Message("ATM Payment (KTB) [TH]")]
+    case ATM_PAYMENT_KTB = 24;
+
+    #[Message("ATM Payment (SCB) [TH]")]
+    case ATM_PAYMENT_SCB = 25;
+
+    #[Message("ATM Payment (BAY) [TH]")]
+    case ATM_PAYMENT_BAY = 26;
+
+    #[Message("Online Payment (KBANK) [TH]")]
+    case ONLINE_PAYMENT_KBANK = 27;
+
+    #[Message("Online Payment (BAY) [TH]")]
+    case ONLINE_PAYMENT_BAY = 28;
+
+    #[Message("Bank Transfer [PH]")]
+    case BANK_TRANSFER_PH = 29;
+
+    #[Message("Cash on Delivery [ID, VN, SG, MY, TH, PH]")]
+    case CASH_ON_DELIVERY = 30;
+
+    #[Message("現付 [TW]")]
+    case COD_TW = 31;
+
+    #[Message("Shopee Seller Wallet [ID]")]
+    case SHOPEE_SELLER_WALLET = 32;
+
+    #[Message("Shopee Wallet [ID, VN, TW, SG, MY, TH, PH]")]
+    case SHOPEE_WALLET = 33;
+
+    #[Message("Indomaret [ID]")]
+    case INDOMARET = 34;
+
+    #[Message("Bank BRI (Virtual Account) [ID]")]
+    case BANK_BRI_VIRTUAL_ACCOUNT = 35;
+
+    #[Message("Bank BCA (Virtual Account) [ID]")]
+    case BANK_BCA_VIRTUAL_ACCOUNT = 36;
+
+    #[Message("Bank Mandiri (Virtual Account) [ID]")]
+    case BANK_MANDIRI_VIRTUAL_ACCOUNT = 37;
+
+    #[Message("Bank BNI (Virtual Account) [ID]")]
+    case BANK_BNI_VIRTUAL_ACCOUNT = 38;
+
+    #[Message("Virtual Account Parent [ID]")]
+    case VIRTUAL_ACCOUNT_PARENT = 39;
+
+    #[Message("Android Pay [SG]")]
+    case ANDROID_PAY = 40;
+
+    #[Message("MOLPay [MY]")]
+    case MOLPAY = 41;
+
+    #[Message("iPay 88 [MY]")]
+    case IPAY_88 = 42;
+
+    #[Message("iBanking Payment [TH]")]
+    case IBANKING_PAYMENT = 43;
+
+    #[Message("iBanking Payment (BBL) [TH]")]
+    case IBANKING_PAYMENT_BBL = 44;
+
+    #[Message("iBanking Payment (KTB) [TH]")]
+    case IBANKING_PAYMENT_KTB = 45;
+
+    #[Message("iBanking Payment (SCB) [TH]")]
+    case IBANKING_PAYMENT_SCB = 46;
+
+    #[Message("Dragonpay - Remittance Center [PH]")]
+    case DRAGONPAY_REMITTANCE_CENTER = 47;
+
+    #[Message("Dragonpay - OTC [PH]")]
+    case DRAGONPAY_OTC = 48;
+
+    #[Message("Dragonpay - Online Payment [PH]")]
+    case DRAGONPAY_ONLINE_PAYMENT = 49;
+
+    #[Message("Buyer-Seller Self Arrange [ID, VN, TW, SG, MY, TH, PH]")]
+    case BUYER_SELLER_SELF_ARRANGE = 50;
+
+    #[Message("Kredivo [ID]")]
+    case KREDIVO = 51;
+
+    #[Message("Kredivo - BNPL [ID]")]
+    case KREDIVO_BNPL = 52;
+
+    #[Message("Kredivo - 3 Months Installment [ID]")]
+    case KREDIVO_3_MONTHS_INSTALLMENT = 53;
+
+    #[Message("Kredivo - 6 Months Installment [ID]")]
+    case KREDIVO_6_MONTHS_INSTALLMENT = 54;
+
+    #[Message("Kredivo - 12 Months Installment [ID]")]
+    case KREDIVO_12_MONTHS_INSTALLMENT = 55;
+
+    #[Message("Nicepay Credit Card Installment [ID]")]
+    case NICEPAY_CREDIT_CARD_INSTALLMENT = 56;
+
+    #[Message("BCA One Klik [ID]")]
+    case BCA_ONE_KLIK = 57;
+
+    #[Message("Akulaku [ID]")]
+    case AKULAKU = 58;
+
+    #[Message("Free [VN, TW, SG, MY, TH, PH]")]
+    case FREE = 59;
+
+    #[Message("iPay88 CC Installment [MY]")]
+    case IPAY88_CC_INSTALLMENT = 60;
+
+    #[Message("Ebanx Credit Card [BR]")]
+    case EBANX_CREDIT_CARD = 61;
+
+    #[Message("Ebanx Credit Card Installment [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT = 62;
+
+    #[Message("Ebanx Credit Card Installment 1x installment plan [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT_1X = 63;
+
+    #[Message("Ebanx Credit Card Installment 2x installment plan [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT_2X = 64;
+
+    #[Message("Ebanx Credit Card Installment 3x installment plan [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT_3X = 65;
+
+    #[Message("Ebanx Credit Card Installment 4x installment plan [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT_4X = 66;
+
+    #[Message("Ebanx Credit Card Installment 5x installment plan [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT_5X = 67;
+
+    #[Message("Ebanx Credit Card Installment 6x installment plan [BR]")]
+    case EBANX_CREDIT_CARD_INSTALLMENT_6X = 68;
+
+    #[Message("Ebanx Boleto [BR]")]
+    case EBANX_BOLETO = 69;
+
+    #[Message("Other - Unknown or new payment method")]
+    case OTHER = 255;
+}