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(Excel) Magyar Nemzeti Bank (MNB) Get Currencies

The Magyar Nemzeti Bank (MNB) is the central bank of Hungary. In this role, its primary objective is to achieve and maintain price stability. The MNB website is available to visitors in both Hungarian and English. The MNB provides the Arfolyam (trans. Exchange Rate) API, which can be used to retrieve current and historic currency exchange rates. This service uses SOAP calls issued in XML format.

This example gets a list of currencies.

Download Excel Class Modules

Chilkat Excel Class Modules

Dim rest As Chilkat.Rest
Set rest = Chilkat.NewRest

'  URL: http://www.mnb.hu/arfolyamok.asmx

bTls = False

port = 80

bAutoReconnect = True
success = rest.Connect("www.mnb.hu",port,bTls,bAutoReconnect)
If (success <> True) Then
    Debug.Print "ConnectFailReason: "; rest.ConnectFailReason
    Debug.Print rest.LastErrorText
    Exit Sub
End If

Dim xml As Chilkat.Xml
Set xml = Chilkat.NewXml
xml.Tag = "soapenv:Envelope"
success = xml.AddAttribute("xmlns:soapenv","http://schemas.xmlsoap.org/soap/envelope/")
success = xml.AddAttribute("xmlns:web","http://www.mnb.hu/webservices/")
xml.UpdateChildContent "soapenv:Header",""
xml.UpdateChildContent "soapenv:Body|web:GetCurrencies",""

success = rest.AddHeader("Content-Type","text/xml")
success = rest.AddHeader("SOAPAction","/webservices/MNBArfolyamServiceSoap/GetCurrencies")
success = rest.AddHeader("Accept","application/xml")

Dim sbRequestBody As Chilkat.StringBuilder
Set sbRequestBody = Chilkat.NewStringBuilder
success = xml.GetXmlSb(sbRequestBody)
Dim sbResponseBody As Chilkat.StringBuilder
Set sbResponseBody = Chilkat.NewStringBuilder
success = rest.FullRequestSb("POST","/arfolyamok.asmx",sbRequestBody,sbResponseBody)
If (success <> True) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If


respStatusCode = rest.ResponseStatusCode
If (respStatusCode >= 400) Then
    Debug.Print "Response Status Code = "; respStatusCode
    Debug.Print "Response Header:"
    Debug.Print rest.ResponseHeader
    Debug.Print "Response Body:"
    Debug.Print sbResponseBody.GetAsString()
    Exit Sub
End If

Debug.Print "response status code = "; respStatusCode

Dim xmlResponse As Chilkat.Xml
Set xmlResponse = Chilkat.NewXml
success = xmlResponse.LoadSb(sbResponseBody,True)
Debug.Print xmlResponse.GetXml()

'  The XML response contains this:
'  <?xml version="1.0" encoding="utf-8" ?>
'  <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
'      <s:Body>
'          <GetCurrenciesResponse xmlns="http://www.mnb.hu/webservices/" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
'              <GetCurrenciesResult>&lt;MNBCurrencies&gt;&lt;Currencies&gt;&lt;Curr&gt;HUF&lt;/Curr&gt;&lt;Curr&gt;EUR&lt;/Curr&gt;&lt;Curr&gt;AUD&lt;/Curr&gt; ... &lt;/MNBCurrencies&gt;</GetCurrenciesResult>
'          </GetCurrenciesResponse>
'      </s:Body>
'  </s:Envelope>

'  Get the GetCurrenciesResult

resultEncoded = xmlResponse.GetChildContent("s:Body|GetCurrenciesResponse|GetCurrenciesResult")
Debug.Print resultEncoded

'  Entity decode the result to get XML.
Dim sbResult As Chilkat.StringBuilder
Set sbResult = Chilkat.NewStringBuilder
success = sbResult.Append(resultEncoded)
success = sbResult.EntityDecode()

'  Load it into XML.
Dim xmlResult As Chilkat.Xml
Set xmlResult = Chilkat.NewXml
success = xmlResult.LoadSb(sbResult,True)
Debug.Print xmlResult.GetXml()

'  The result is this:

'  <?xml version="1.0" encoding="utf-8" ?>
'  <MNBCurrencies>
'      <Currencies>
'          <Curr>HUF</Curr>
'          <Curr>EUR</Curr>
'          <Curr>AUD</Curr>
'          <Curr>BGN</Curr>
'          <Curr>BRL</Curr>
'          <Curr>CAD</Curr>
'          <Curr>CHF</Curr>
'          <Curr>CNY</Curr>
'          <Curr>CZK</Curr>
'          <Curr>DKK</Curr>
'          <Curr>GBP</Curr>
'          <Curr>HKD</Curr>
'          <Curr>HRK</Curr>
'          <Curr>IDR</Curr>
'          <Curr>ILS</Curr>
'          <Curr>INR</Curr>
'          <Curr>ISK</Curr>
'          <Curr>JPY</Curr>
'          <Curr>KRW</Curr>
'          <Curr>MXN</Curr>
'          <Curr>MYR</Curr>
'          <Curr>NOK</Curr>
'          <Curr>NZD</Curr>
'          <Curr>PHP</Curr>
'          <Curr>PLN</Curr>
'          <Curr>RON</Curr>
'          <Curr>RSD</Curr>
'          <Curr>RUB</Curr>
'          <Curr>SEK</Curr>
'          <Curr>SGD</Curr>
'          <Curr>THB</Curr>
'          <Curr>TRY</Curr>
'          <Curr>UAH</Curr>
'          <Curr>USD</Curr>
'          <Curr>ZAR</Curr>
'          <Curr>ATS</Curr>
'          <Curr>AUP</Curr>
'          <Curr>BEF</Curr>
'          <Curr>BGL</Curr>
'          <Curr>CYN</Curr>
'          <Curr>CSD</Curr>
'          <Curr>CSK</Curr>
'          <Curr>DDM</Curr>
'          <Curr>DEM</Curr>
'          <Curr>EEK</Curr>
'          <Curr>EGP</Curr>
'          <Curr>ESP</Curr>
'          <Curr>FIM</Curr>
'          <Curr>FRF</Curr>
'          <Curr>GHP</Curr>
'          <Curr>GRD</Curr>
'          <Curr>IEP</Curr>
'          <Curr>ITL</Curr>
'          <Curr>KPW</Curr>
'          <Curr>KWD</Curr>
'          <Curr>LBP</Curr>
'          <Curr>LTL</Curr>
'          <Curr>LUF</Curr>
'          <Curr>LVL</Curr>
'          <Curr>MNT</Curr>
'          <Curr>NLG</Curr>
'          <Curr>OAL</Curr>
'          <Curr>OBL</Curr>
'          <Curr>OFR</Curr>
'          <Curr>ORB</Curr>
'          <Curr>PKR</Curr>
'          <Curr>PTE</Curr>
'          <Curr>ROL</Curr>
'          <Curr>SDP</Curr>
'          <Curr>SIT</Curr>
'          <Curr>SKK</Curr>
'          <Curr>SUR</Curr>
'          <Curr>VND</Curr>
'          <Curr>XEU</Curr>
'          <Curr>XTR</Curr>
'          <Curr>YUD</Curr>
'      </Currencies>
'  </MNBCurrencies>
' 

 

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