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Visual Basic 6.0 Web API Examples

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(Visual Basic 6.0) Walmart - Get an Order by purchaseOrderId

Gets the XML data for an order by purchaseOrderId.

Note: This example requires Chilkat v9.5.0.67 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' Demonstrates how to get the XML for a particular order by purchaseOrderId

' Sends the following GET request:
' GET https://marketplace.walmartapis.com/v3/orders/{purchaseOrderId}

Dim sbUrl As New ChilkatStringBuilder
Dim success As Long
success = sbUrl.Append("https://marketplace.walmartapis.com/v3/orders/{purchaseOrderId}")
Dim numReplaced As Long
numReplaced = sbUrl.Replace("{purchaseOrderId}","1111691995111")

Dim requestMethod As String
requestMethod = "GET"

' First we need to generate a signature for the request.
' The signature needs to be re-generated for each new Walmart HTTP request.
Dim authUtil As New ChilkatAuthUtil

Dim wmConsumerId As String
wmConsumerId = "WALMART_CONSUMER_ID"
Dim wmPrivateKey As String
wmPrivateKey = "WALMART_PRIVATE_KEY"
Dim jsonStr As String
jsonStr = authUtil.WalmartSignature(sbUrl.GetAsString(),wmConsumerId,wmPrivateKey,requestMethod)
If (authUtil.LastMethodSuccess <> 1) Then
    Debug.Print authUtil.LastErrorText
    Exit Sub
End If

' The JSON returned by WalmartSignature contains the values to be used in the following
' header fields: WM_SEC.AUTH_SIGNATURE, WM_SEC.TIMESTAMP, and WM_QOS.CORRELATION_ID
Dim json As New ChilkatJsonObject
success = json.Load(jsonStr)

Dim http As New ChilkatHttp
http.SetRequestHeader "WM_SVC.NAME","Walmart Marketplace"
http.SetRequestHeader "WM_QOS.CORRELATION_ID",json.StringOf("correlation_id")
http.SetRequestHeader "WM_SEC.TIMESTAMP",json.StringOf("timestamp")
http.SetRequestHeader "WM_SEC.AUTH_SIGNATURE",json.StringOf("signature")
http.SetRequestHeader "WM_CONSUMER.ID",wmConsumerId
http.SetRequestHeader "WM_CONSUMER.CHANNEL.TYPE","WALMART_CHANNEL_TYPE"

http.Accept = "application/xml"

' Note: Do not explicitly set the "Host" header.  Chilkat will set it automatically.

Dim xmlStr As String
xmlStr = http.QuickGetStr(sbUrl.GetAsString())
If (http.LastMethodSuccess <> 1) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim xml As New ChilkatXml
success = xml.LoadXml(xmlStr)

' A successful response should have a 200 response status
If (http.LastStatus <> 200) Then
    Debug.Print xml.GetXml()
    Debug.Print "Response Status Code: " & http.LastStatus
    Debug.Print "Failed."
    Exit Sub
End If

' Show the XML response:
Debug.Print xml.GetXml()
Debug.Print "Success."

 

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