Which API Should i use to process Credit/Debit Card Payment?

I am looking at this URL link for API and I am using developer test version now.
API Documentation 

Can some one please suggest whihc API URL is used for Payment Processing. I tried using 

API URL: https://triposcert.vantiv.com/api/v1/paymentAccount

I submitted this param in header:

tp-application-id:9796
tp-application-name:Green
tp-application-version:V1
tp-express-acceptor-id:3928907
tp-express-account-id:1060407
tp-express-account-token:32A4DC33036AE329348B03C781E77138541968840C2929D2627CC1124DD1B33EB455AB01
tp-request-id:ac970e68-acd7-4a52-ae6f-98d4cc071a76
Content-Type:application/json

And in Body Section- Param Submitted :

{
"laneId": "2",
"paymentAccountReferenceNumber": "3566007773502500",
"address": {
"billingAddress1": "sdsd",
"billingAddress2": "fgh",
"billingCity": "fdg",
"billingEmail": "sa@gmail.com",
"billingName": "SAD",
"billingPhone": "8388974010",
"billingPostalCode": "734005",
"billingState": "WB",
"shippingAddress1": "sfs",
"shippingAddress2": "df",
"shippingCity": "fsdf",
"shippingEmail": "sat@gmail.com",
"shippingName": "TTTT",
"shippingPhone": "8388974010",
"shippingPostalCode": "734005",
"shippingState": "RRR"
},
"expirationMonth": "12",
"expirationYear": "2025",
"invokeManualEntry": "true"
}

After Execution i get error response:

{
"isApproved": false,
"_processor": {
"processorLogs": [
"Unable to find PIN pad with laneId 2"
],
"processorRequestFailed": false,
"processorRequestWasApproved": false,
"processorResponseCode": "Unknown",
"logs": [
"Unable to find PIN pad with laneId 2"
]
},
"statusCode": "None",
"isOffline": false,
"_errors": [
{
"userMessage": "",
"developerMessage": "ERROR:POST error\r\nEXCEPTION: Unable to find PIN pad with laneId 2\r\n",
"errorType": "",
"exceptionMessage": "Unable to find PIN pad with laneId 2",
"exceptionTypeFullName": "TriPos.Shared.Exceptions.PinPadnotFoundExecption",
"exceptionTypeShortName": "PinPadnotFoundExecption"
},
{
"userMessage": "",
"developerMessage": "",
"errorType": "",
"exceptionMessage": "Unable to find PIN pad with laneId 2",
"exceptionTypeFullName": "TriPos.Shared.Exceptions.PinPadnotFoundExecption",
"exceptionTypeShortName": "PinPadnotFoundExecption"
}
],
"_hasErrors": true,
"_links": [],
"_logs": [],
"_type": "createPaymentAccountCreditResponse",
"_warnings": [
{
"developerMessage": "WARN:Expiration date input ignored, expiration date from card data used instead\r\n",
"userMessage": "WARN:Expiration date input ignored, expiration date from card data used instead\r\n"
}
]
}

Please help me.

Thanks