1. Instalment
Merchant Connect API
HASE
  • latest
  • HASE
  • Integration Guide
    • EC Payment
      • Merchant API
        • Overview
        • Payment
        • Payment Methods
        • After Payment
          • Capture
          • Cancel
          • Refund
          • Cancel or Refund
          • Accept Notification
        • Features
          • Account Status Inquiry (ASI)
          • COF
          • Recurring
          • Instalment
          • Authentication
            • 3D Secure
            • Authorization only
          • Tokenization
            • Gateway Tokenization
            • Create a gateway token
            • Network Tokenization
            • Pay with gateway token
            • Manage token
    • In-store Payment
      • Merchant API
        • Payment
          • CPM
          • MPM
          • MPM static QR code
        • After Payment
          • Capture
          • Cancel
          • Refund
          • Cancel or Refund
          • Accept Notification
  • API Explorer
    • API Rules
    • PaymentMethod
      • PaymentMethod
      • PaymentMethod
      • PaymentMethod
      • PaymentMethod
    • Payment
      • Payment
      • Payment
      • Payment
    • Capture
      • Capture
      • Capture
    • Cancel
      • Cancel
      • Cancel
    • Refund
      • Refund
      • Refund
    • Cryptogram
      • Cryptogram
      • Cryptogram
    • Cancel or Refund
      • Cancel or Refund
      • Cancel or Refund
    • Notification
      • Notification for PaymentMethod
      • Notification for Payment
      • Notification for Capture
      • Notification for Cancel
      • Notification for Refund
      • Notification for MPM Static QR Code
      • Notification for Token Status Update
      • Notification for Cryptogram
    • Appendix
      • Result Code
      • Payment Brands
      • Payment Method Variant
      • Currency list
      • Country and region list
    • HealthCheck
      • HealthCheck
    • TransactionHistoryInquiry
      • TransactionHistoryInquiry
    • Instalment
      • Instalment Plan Inquiry
        POST
HASE
  • latest
  • HASE
  1. Instalment

Instalment Plan Inquiry

POST
/g2/v1/payment/mer/{sid}/InstalmentPlanInquiry
Queries the available instalment payment plans for a transaction.

Request

Path Params

Header Params

Body Params application/jsonRequired

Example
{
    "merchantTransInfo": {
        "merchantTransID": "2d21a5715c034efb7e0aa383b885fc7a",
        "merchantTransTime": "2026-08-03T10:08:25+08:00"
    },
    "paymentMethod": {
        "type": "card",
        "card": {
            "cardInfo": {
                "cardNumber": "4111111111111111"
            }
        }
    },
    "transAmount": {
        "currency": "HKD",
        "value": "1000.00"
    },
    "transInitiator": {
        "paymentScenario": "EC"
    },
    "metadata": "merchant-reference"
}

Responses

🟢200成功
application/json
Response Body fields read from the Feishu Sheet section beginning at row 34.
Bodyapplication/json

Example
{
    "result": {
        "code": "00000000",
        "message": "Success",
        "pspMessage": "Approved",
        "pspResponseCode": "00"
    },
    "InstalmentPlanInquiry": {
        "status": "Success",
        "transAmount": {
            "currency": "HKD",
            "value": "1000.00"
        },
        "evoTransInfo": {
            "evoTransID": "EVO2026080300000000000000000001",
            "evoTransTime": "2026-08-03T10:08:26+08:00"
        },
        "instalmentPlans": [
            {
                "instalmentPlanID": "20240120000001",
                "tenor": "12",
                "instalmentFeePayer": "Cardholder",
                "handlingFeeRate": "2.5%",
                "totalAmount": "1025.00",
                "totalFee": "25.00",
                "monthlyAmount": "85.42"
            }
        ]
    }
}
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TransactionHistoryInquiry
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