Merchant Biometric Kyc

Time	Status	User Agent
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Header Parameters

Name	Type	Description	Mandatory (M) , Optional (O)	Provided by INSTANTPAY (Y/N)
X-Ipay-Auth-Code	String	Auth Code -1 (Fixed)	M	Y
X-Ipay-Client-Id	String	Unique Client ID	M	Y
X-Ipay-Client-Secret	String	Unique secret key	M	Y
X-Ipay-Endpoint-Ip	String	End Customer IP Address	M	N
X-Ipay-Outlet-Ip	String	Merchant's unique Identification number	M	N

Request Parameters

Parameters	Type	Mandatory (M) , Optional(O)	Description
referenceKey	String	M	Can be obtained from the response of MErchant biometric ekyc status API
latitude	String	M	Latitude of the transaction's location
longitude	String	M	Longitude of the transaction's location
externalRef	String	M	Unique to every transaction
captureType	String	O	Type of biometric data (face/ finger)
biometricData	array	M	Mobile Number of Customers
encryptedAadhaar	String	O(Mandatory if outletAadhaarNumber is empty)	Aadhaar number encrypted in aes-256 format
biometricData.dc	String	M	Returned by RD Service when using biometric authentication. Registered Device code.
biometricData.ci	String	M	Returned by RD Service when using biometric authentication. Public key certificate identifier of UIDAI using which skey was encrypted.
biometricData.hmac	String	M	Returned by RD Service when using biometric authentication. SHA -256 Hash of PID XML and then encrypted and base 64 encoded
biometricData.dpId	String	M	Returned by RD Service when using biometric authentication. Device provider Id.
biometricData.mc	String	M	Returned by RD Service when using biometric authentication. encrypted registered device public key certificate
biometricData.pidDataType	String	M	Returned by RD Service when using biometric authentication
biometricData.rdsId	String	M	Returned by RD Service when using biometric authentication. RD Service Id
biometricData.sessionKey	String	M	Returned by RD Service when using biometric authentication. AES session key generated dynamically for every txn.
biometricData.mi	String	M	Returned by RD Service when using biometric authentication. RD model Id.
biometricData.errInfo	String	M	Information about the error
biometricData.errCode	String	M	0(Default)- Request success
biometricData.fCount	String	M	Total number of FIR records which was part of input.
biometricData.fType	String	M	When connecting the Device to RD service send ftype 2 in the request.
biometricData.iCount	String	M	Total number of IIR records which was part of input.
biometricData.iType	String	M	ISO format (0 for IIR), 0 (IIR) is default.
biometricData.pCount	String	M	Number of face photo records to be captured (0 to 1).
biometricData.pType	String	M	Face format
biometricData.srno	String	M	Serial Number of biometric device.
biometricData.sysid	String	M	System Id
biometricData.ts	String	M	Current Timestamp
biometricData.pidData	String	M	Returned by RD Service when using biometric authentication.
biometricData.qScore	String	M	If quality check is done, send a normalized score that is between 0 and 100. Device providers may allow configuration within RD service to use specific quality check algorithms to be enabled.
biometricData.nmPoint	String	M	Number of minutiae points when FMR is captured. Applications may use this for accepting or retrying the capture.
biometricData.rdsVer	String	M	Returned by RD Service when using biometric authentication. RD Service version.

Request Parameters

POST https://api.instantpay.in/user/outlet/signup/biometricKyc
X-Ipay-Endpoint-Ip: {{endpointIP}}
X-Ipay-Client-Id: {{clientId}}
X-Ipay-Client-Secret: {{clientSecret}}
X-Ipay-Auth-Code: 1
X-Ipay-Outlet-Id:{{outletId}}

{
    "referenceKey": "qgvE86a9iLnUDjF+QICtLQYdUQP3rTipRtxaE9T6IcpEeO6ifmZV+7QA28rp9gFp",
    "latitude": "28.70406",
    "longitude": "77.10249",
    "externalRef":"1762931326-ABC-123",
    "biometricData": {  
        "encryptedAadhaar" : "",
        "dc" : "",
        "ci" : "",
        "hmac" : "",
        "dpId" : "",
        "mc" : "",
        "pidDataType":"",
        "rdsId" : "",
        "sessionKey" : "",
        "mi" : "",
        "errCode" :"",
        "errInfo" :"",
        "fCount" :"",
        "fType" :"",
        "iCount" :"",
        "iType" :"",
        "pCount" :"",
        "pType" :"",
        "srno":"",
        "sysid":"",
        "ts":"",
        "pidData":"",
        "qScore":"",
        "nmPoints":"",
        "rdsVer" : ""
    }
}

POST /user/outlet/signup/biometricKyc HTTP/1.1
Host: api.instantpay.in
Accept: application/json
X-Ipay-Auth-Code: {{authCode}}
X-Ipay-Client-Id: {{clientId}}
X-Ipay-Client-Secret: {{clientSecret}}
X-Ipay-Outlet-Id: {{OutletId}}
X-Ipay-Endpoint-Ip: {{endPointIP}}
Content-Type: application/json

{
    "encryptedAadhaar" : "",
        "dc" : "",
        "ci" : "",
        "hmac" : "",
        "dpId" : "",
        "mc" : "",
        "pidDataType":"",
        "rdsId" : "",
        "sessionKey" : "",
        "mi" : "",
        "errCode" :"",
        "errInfo" :"",
        "fCount" :"",
        "fType" :"",
        "iCount" :"",
        "iType" :"",
        "pCount" :"",
        "pType" :"",
        "srno":"",
        "sysid":"",
        "ts":"",
        "pidData":"",
        "qScore":"",
        "nmPoints":"",
        "rdsVer" : ""
}

Response Parameters

Name	Type	Description
statuscode	String	InstantPay Status Code
actcode	String	Action Code
status	String	Status Message
data	Array	Response Data (If Present)
timestamp	String	Current time (YYYY-MM-DD HH:II:SS)
ipay_uuid	String	Request reference number
orderid	String	Transaction Id ( If transaction otherwise it is null )
environment	String	Live

Sample Response

{
    "statuscode": "TXN",
    "actcode": null,
    "status": "Success",
    "data": null,
    "timestamp": "2025-11-12 12:38:21",
    "ipay_uuid": "h000a0567163-d19d-42fb-9539-4658fcc33167-uLVR1Bqhtg9K",
    "orderid": null,
    "environment": "LIVE"
}

Header Parameters

Request Parameters

Request Parameters

Response Parameters

Sample Response

200200

400400