(PowerShell) Walmart - Get Inventory for an Item

Demonstrates how to get inventory for an item and parse the result.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# ---------------------------------------------------------------------------------------------------------
# Note: This example is deprecated.  The Walmart API no longer uses the Signature method of authenticating.
# Walmart now uses OAuth2.  
# ---------------------------------------------------------------------------------------------------------

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

# Sends the following GET request:
# GET https://marketplace.walmartapis.com/v2/inventory?sku={SKU}

$sbUrl = New-Object Chilkat.StringBuilder
$success = $sbUrl.Append("https://marketplace.walmartapis.com/v2/inventory?sku={SKU}")
$numReplaced = $sbUrl.Replace("{SKU}","HOPP~904~51041")

$requestMethod = "GET"

# First we need to generate a signature for our request.
# The signature needs to be re-generated for each new Walmart HTTP request.
$authUtil = New-Object Chilkat.AuthUtil

$wmConsumerId = "WALMART_CONSUMER_ID"
$wmPrivateKey = "WALMART_PRIVATE_KEY"
$jsonStr = $authUtil.WalmartSignature($sbUrl.GetAsString(),$wmConsumerId,$wmPrivateKey,$requestMethod)
if ($authUtil.LastMethodSuccess -ne $true) {
    $($authUtil.LastErrorText)
    exit
}

# 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
$json = New-Object Chilkat.JsonObject
$json.Load($jsonStr)

$http = New-Object Chilkat.Http
$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.Accept = "application/xml"

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

$xmlStr = $http.QuickGetStr($sbUrl.GetAsString())
if ($http.LastMethodSuccess -ne $true) {
    $($http.LastErrorText)
    exit
}

$xml = New-Object Chilkat.Xml
$xml.LoadXml($xmlStr)

# A successful response should have a 200 response status
if ($http.LastStatus -ne 200) {
    $($xml.GetXml())
    $("Response Status Code: " + $http.LastStatus)
    $("Failed.")
    exit
}

# A sample XML response is shown below..
$($xml.GetXml())
$("--")

# To get the quantity:
$quantity = $xml.GetChildIntValue("quantity|amount")
$("quantity = " + $quantity)

# ---------------------------------------
# Sample XML response
# ---------------------------------------

# <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
# <inventory xmlns="http://walmart.com/">
#     <sku>HOPP~904~51041</sku>
#     <quantity>
#         <unit>EACH</unit>
#         <amount>234</amount>
#     </quantity>
#     <fulfillmentLagTime>5</fulfillmentLagTime>
# </inventory>