Pay-in collection

India region pay-in API (INR). See Payment methods.

Request

POST/v2.0/transaction/pay-in

Request Path:

sandbox: https://sandbox-gateway.smilepayz.com/v2.0/transaction/pay-in
production: https://gateway.smilepayz.com/v2.0/transaction/pay-in

Header Parameters

Field	Required	Type	Description
Content-Type	M	String	application/json request body.
X-TIMESTAMP	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm (e.g. IST +05:30).
X-SIGNATURE	M	String	Signature of JSON body (see product Signature doc).
X-PARTNER-ID	M	String	Your merchantID (alphanumeric).

Body Parameters

Field	Required	Type	Description
orderNo	M	String(32)	Merchant-unique id, 6–32 alphanumeric.
purpose	M	String(64)	Memo to payer, 1–64 UTF-8 chars.
merchant	M	Object	Wraps merchantId and optional sub-merchant fields.
merchantId	M	String	Smilepayz merchantId for this call.
merchantName	O	String	UTF-8 merchant display name.
subMerchantId	O	String	Sub-merchant ID.
subMerchantName	O	String	UTF-8 name for subMerchantId.
money	M	Object	Currency plus amount for this transaction.
currency	M	String	Fixed to INR.
amount	M	Number	INR integer minor units (e.g. 200 = INR 200).
paymentMethod	O	String	Code (see Payment methods doc).
expiryPeriod	O	Number	Session TTL seconds, default 3600, max 86400 unless noted.
redirectUrl	O	String(256)	HTTPS post-pay return URL, max 256 chars.
callbackUrl	O	String(256)	HTTPS async status URL, max 256 chars.

---

Example Body – Transaction Request:

Content-type: application/json
X-TIMESTAMP: 2020-12-17T10:55:00+05:30
X-SIGNATURE: 7MHd9v5/m9JeqmDZVwWBZUZ5J5...7120QnFEny7Qm7uQR1G0TWCh10fsU6nVxiRoeoQ==
X-PARTNER-ID: 20001

{
    "orderNo": "20001inpay612283d48d0b807a51",
    "purpose": "UPI checkout — Mumbai",
    "merchant": {
        "merchantId": "20001"
    },
    "money": {
        "currency": "INR",
        "amount": 50000
    },
    "paymentMethod": "CASHIER_IN"
}

Responses

HTTP Request

Field	Required	Type	Description
Content-Type	M	String	application/json request body.
X-TIMESTAMP	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm

Body Parameters

Field	Required	Type	Description
code	M	String	00 success, other values error.
message	M	String	UTF-8 human-readable result line.
orderNo	M	String	Merchant-unique id, 6–32 alphanumeric.
tradeNo	O	String	Smilepayz tradeNo for this order.
merchant	M	Object	Wraps merchantId and optional sub-merchant fields.
merchantId	M	String	Smilepayz merchantId for this call.
merchantName	O	String	UTF-8 merchant display name.
subMerchantId	O	String	Sub-merchant ID.
subMerchantName	O	String	UTF-8 name for subMerchantId.
money	M	Object	Currency plus amount for this transaction.
currency	M	String	Fixed to INR.
amount	M	Number	INR integer minor units (e.g. 200 = INR 200).
transactionTime	M	String	yyyy-MM-ddTHH:mm:ss±HH:mm
channel	M	Object	Channel payload (paymentUrl, qrString, …).
paymentMethod	O	String	Code (see Payment methods doc).
paymentUrl	M	String	Cashier URL to open for the payer.
status	O	String	Order or payment status enum value.

Content-type: application/json
X-TIMESTAMP: 2020-12-17T10:55:00+05:30

{
    "code": "00",
    "message": "Successful",
    "orderNo": "20001inpay612283d48d0b807a51",
    "tradeNo": "121200012412131607559245",
    "merchant": {
        "merchantId": "20001",
        "merchantName": "Smilepayz Demo Store",
        "accountNo": "11220001202402271029"
    },
    "money": {
        "currency": "INR",
        "amount": 50000
    },
    "transactionTime": "2024-12-13T14:37:56+05:30",
    "channel": {
        "paymentMethod": "CASHIER_IN",
        "paymentUrl": "https://gateway.smilepayz.com/cashier/#/loading?tradeNo=121200012412131607559245"
    },
    "status": "PROCESSING"
}

Notification/Callback

HTTP Request

Field	Required	Type	Description
Content-Type	M	String	application/json request body.
X-TIMESTAMP	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm
X-SIGNATURE	M	String	Callback body signature (see Callback signature guide).

Body Parameters

Field	Required	Type	Description
orderNo	M	String	Merchant-unique id, 6–32 alphanumeric.
tradeNo	M	String	Smilepayz tradeNo for this order.
utr	C	String	India UTR when present (bank-dependent).
merchantId	M	String	Smilepayz merchantId for this call.
merchantName	M	String	UTF-8 merchant display name.
subMerchantId	O	String	Sub-merchant ID.
subMerchantName	O	String	UTF-8 name for subMerchantId.
paymentMethod	M	String	Code (see Payment methods doc).
transactionTime	M	String	Format: yyyy-MM-ddTHH:mm:ss
status	M	String	Order or payment status enum value.
money	M	Object	Currency plus amount for this transaction.
currency	M	String	Fixed to INR.
amount	M	Number	INR integer minor units (e.g. 200 = INR 200).

Return

Important

Respond with the string SUCCESS only.

{
    "orderNo": "20001inpay612283d48d0b807a51",
    "tradeNo": "121200012412131607559245",
    "utr": "224015123456",
    "merchantId": "20001",
    "merchantName": "Smilepayz Demo Store",
    "subMerchantId": "",
    "subMerchantName": "",
    "paymentMethod": "CASHIER_IN",
    "transactionTime": "2024-12-13T14:37:56+05:30",
    "status": "SUCCESS",
    "money": {
        "currency": "INR",
        "amount": 50000
    }
}

SUCCESS