---
title: PK OnDemand API (SOAP)
description: "## OndemandVendGate **Test** The test form is only available for requests from the local machine. **SOAP 1.1** The following is a sample SOAP 1.1 request and response. The placeholders shown need to be replaced with actual values. ``` POST /service/OnDemand.asmx HTTP/1.1…"
url: "https://qa.flashparking.com/docs/pk-ondemand-api-soap/"
updated: "2026-09-17"
category: "3rd Party API Integrations / Parkonect APIs / Parkonect On-Demand API"
---

# PK OnDemand API (SOAP)

## OndemandVendGate

**Test**

The test form is only available for requests from the local machine.

**SOAP 1.1**

The following is a sample SOAP 1.1 request and response. The placeholders shown need to be replaced with actual values.

```
POST /service/OnDemand.asmx HTTP/1.1
Host: vendgate.com
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://tempuri.org/OndemandVendGate"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <OndemandVendGate xmlns="http://tempuri.org/">
      <r>
        <UserName>string</UserName>
        <Password>string</Password>
        <Barcode>string</Barcode>
        <GarageID>int</GarageID>
        <LaneID>int</LaneID>
      </r>
    </OndemandVendGate>
  </soap:Body>
</soap:Envelope>
```

```
HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <OndemandVendGateResponse xmlns="http://tempuri.org/">
      <OndemandVendGateResult>
        <Success>boolean</Success>
        <ErrorMessage>string</ErrorMessage>
      </OndemandVendGateResult>
    </OndemandVendGateResponse>
  </soap:Body>
</soap:Envelope>
```

**SOAP 1.2**

The following is a sample SOAP 1.2 request and response. The placeholders shown need to be replaced with actual values.

```
POST /service/OnDemand.asmx HTTP/1.1
Host: vendgate.com
Content-Type: application/soap+xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
  <soap12:Body>
    <OndemandVendGate xmlns="http://tempuri.org/">
      <r>
        <UserName>string</UserName>
        <Password>string</Password>
        <Barcode>string</Barcode>
        <GarageID>int</GarageID>
        <LaneID>int</LaneID>
      </r>
    </OndemandVendGate>
  </soap12:Body>
</soap12:Envelope>
```

```
HTTP/1.1 200 OK
Content-Type: application/soap+xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
  <soap12:Body>
    <OndemandVendGateResponse xmlns="http://tempuri.org/">
      <OndemandVendGateResult>
        <Success>boolean</Success>
        <ErrorMessage>string</ErrorMessage>
      </OndemandVendGateResult>
    </OndemandVendGateResponse>
  </soap12:Body>
</soap12:Envelope>
```