Api Payin

Request

The term refers to an application programming interface (API) that facilitates "pay-in" transactions.
This can include a variety of payment methods sources such as

QRPAY
bank transfer

Request Path:

{Base URL}/v2.0/transaction/pay-in

Header Parameters

Field	Attribute	Type	Description
Content-Type	M	String	application/json
X-TIMESTAMP	M	String	yyyy-MM-ddTHH:mm:ss[zoneOffset] eg: 2020-12-17T10:55:00+07:00
X-SIGNATURE	M	String	Focus：How to signature
X-PARTNER-ID	M	String	merchant ID

Body Parameters

Field	Attribute	Type	Description
orderNo	M	String(32)	unique no. Focus OrderNumber Rule
purpose	M	String(64)	purpose
merchant	M	Object	Model Object Merchant
money	M	Object	Model Object Money
payer	M	Object	Model Object Payer
area	M	Number	Fixed Value: 11
paymentMethod	O	String	Model Object PaymentMethod
productDetail	O	String(128)	production description
expiryPeriod	O	Number	expiryPeriod (second); default:3600
redirectUrl	O	String(256)	Redirect to customer url
callbackUrl	O	String(256)	notify address

1. If paymentMethod not pass. smilepayz will return a transaction page
2. If paymentMethod is not null. you can pass the payer name, payer account number and the payer bank name
3. Bank name redirect to Payment Method List.

---

Example Body – Transaction Request:

Content-type: application/json
X-TIMESTAMP: 2020-12-17T10:55:00+07:00
X-SIGNATURE: 7MHd9v5/m9JeqmDZVwWBZUZ5J5...7120QnFEny7Qm7uQR1G0TWCh10fsU6nVxiRoeoQ==
X-PARTNER-ID: 20001

{
    "payer": {
        "name": "test",
        "accountNo": "123456789009",
        "bankName": "KBANk"
    },
    "area": 11,
    "merchant": {
        "merchantId": "20001"
    },
    "money": {
        "amount": 10000,
        "currency": "THB"
    },
    "orderNo": "20001e9d98b010db244c99d457c",// Attention! format
    "paymentMethod": "QRPAY",
    "purpose": "Purpose For Transaction from Java SDK",
    "redirectUrl": "https://docs.smilepayz.com/en/"
}

Response

HTTP Request

Field	Attribute	Type	Description
Content-Type	M	String	application/json
X-TIMESTAMP	M	String	yyyy-MM-ddTHH:mm:ss[zoneOffset] eg: 2020-12-17T10:55:00+07:00

Body Parameters

Field	Attribute	Type	Description
code	M	String	success = "00"
message	M	String	response message
orderNo	M	String	transaction unique no
merchant	M	Object	Model Object Merchant
transactionTime	M	String	yyyy-MM-ddTHH:mm:ss+07:00 eg: 2020-12-17T10:55:00+07:00
money	M	Object	Model Object Money
channel	M	Object	channel information Channel
tradeNo	O	String	smilepayz orderNo
status	O	String	Model Object Status

Content-type: application/json
X-TIMESTAMP: 2020-12-17T10:55:00+07:00

{
    "channel": {
        "additionalInfo": {},
        "paymentMethod": "QRPAY",
        "paymentUrl": "https://gateway.smilepayz.com/cashier/#/loading?tradeNo=111200572411191251468673",
        "qrString": "00020101021229370016A0000006770101110113006680870163353037645406299.985802TH63048436"
    },
    "merchant": {
        "accountNo": "11120001202406101410",
        "merchantId": "20001",
        "merchantName": "test"
    },
    "money": {
        "amount": 300,
        "currency": "THB"
    },
    "orderNo": "878d95fe75ef4c49b11d266afa8dd849",
    "status": "PROCESSING",
    "tradeNo": "111200012411191251468673",
    "transactionTime": "2024-11-19T12:51:47+07:00"
}

{
    "channel": {
        "additionalInfo": {},
        "paymentMethod": "BANK",
        "paymentUrl": "https://gateway.smilepayz.com/cashier/#/loading?tradeNo=1112001125042408363186433", //smilepayz checkout page
        "receiverBankName": "KBANK",    //the receiver bank name
        "vaNumber": "2053617290"        //the receiver bank account number
    },
    "code": "00",
    "merchant": {
        "accountNo": "11120011202402290943",
        "merchantId": "20011",
        "merchantName": "bradytest123www"
    },
    "message": "Successful",
    "money": {
        "amount": 100,
        "currency": "THB"
    },
    "orderNo": "20011b5baff0ed8ac4f0c873920e",
    "status": "PROCESSING",
    "tradeNo": "1112001125042408363186433",
    "transactionTime": "2025-04-24T08:36:32+07:00"
}

Notification

HTTP Request

Field	Attribute	Type	Description
Content-Type	M	String	application/json
X-TIMESTAMP	M	String	yyyy-MM-ddTHH:mm:ss[zoneOffset] eg: 2020-12-17T10:55:00+07:00
X-SIGNATURE	M	String	how to check this value

Body Parameters

Field	Attribute	Type	Description
orderNo	M	String	merchant transaction unique no
tradeNo	M	String	smilepayz trade no.
merchantId	M	String	merchant id
merchantName	M	String	merchant name
subMerchantId	O	String	sub merchant id
subMerchantName	O	String	sub merchant name
paymentMethod	M	String	payment method. eg:SPEI
transactionTime	M	String	yyyy-MM-ddTHH:mm:ss
status	M	String	Model Object Status
money	M	Object	Model Object Money
payer	M	String	Model Object Payer

Return

Important

Notification please return only string SUCCESS

{
  "merchantId": "20001",
  "merchantName": "test",
  "money": {
    "amount": 150,
    "currency": "THB"
  },
  "orderNo": "20001f7d65167e8b1419896f2dfb",
  "payer": {
    "name": "payerName"
  },
  "paymentMethod": "QRPAY",
  "status": "SUCCESS",
  "tradeNo": "111200012412151710505955",
  "transactionTime": "2024-12-15T17:10:51"
}

SUCCESS