Error Response

{
"retCode": "FAIL",
"retMsg": "Error Message", // Detailed error information will be returned. Please contact the operation personnel promptly if any errors occur
"payOrderId": "Le20250311182001"
}

Common Error Messages:

// This error occurs when the merchant number cannot be obtained due to incorrect transmission parameter format during merchant integration. If you encounter this error, please verify whether your parameter format is correct
{
"retCode": "FAIL",
"retMsg": "Check Merchant IP Whitelist Exception", 
"payOrderId": "Le20250311182001"
}