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 /v2/wecr.asmx HTTP/1.1
Host: wecr.sepay.nl
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "https://wecr.sepay.nl/v2/WECR/StartTransaction"

<?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>
    <StartTransaction xmlns="https://wecr.sepay.nl/v2/WECR">
      <key_index>int</key_index>
      <version>string</version>
      <login>string</login>
      <sid>string</sid>
      <transactionref>string</transactionref>
      <merchantref>string</merchantref>
      <amount>decimal</amount>
      <callbackurl>string</callbackurl>
      <signature>base64Binary</signature>
    </StartTransaction>
  </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>
    <StartTransactionResponse xmlns="https://wecr.sepay.nl/v2/WECR">
      <StartTransactionResult>
        <key_index>int</key_index>
        <version>string</version>
        <login>string</login>
        <sid>string</sid>
        <transactionref>string</transactionref>
        <merchantref>string</merchantref>
        <amount>decimal</amount>
        <status>string</status>
        <message>string</message>
        <terminalip>string</terminalip>
        <terminalport>unsignedShort</terminalport>
        <signature>string</signature>
      </StartTransactionResult>
    </StartTransactionResponse>
  </soap:Body>
</soap:Envelope>