(PowerShell) Walmart v3 OAuth2 Access Token with Client Credentials

Get access token by providing Client ID and Client Secret.

For more information, see https://developer.walmart.com/#/apicenter/marketPlace/latest#apiAuthentication

Chilkat .NET Downloads Chilkat .NET Assemblies Chilkat for Mono

[Reflection.Assembly]::LoadFile("C:\myAssemblies\ChilkatDotNet47.dll")

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

$http = New-Object Chilkat.Http

# Implements the following CURL command:

# curl -X POST https://marketplace.walmartapis.com/v3/token \
# --user clientId:clientSecret \
# -H 'Content-Type: application/x-www-form-urlencoded' \
# -H 'Accept: application/json' \
# -H 'WM_SVC.NAME: Walmart Marketplace' \
# -H 'WM_QOS.CORRELATION_ID: b3261d2d-028a-4ef7-8602-633c23200af6' \
# -H 'WM_SVC.VERSION: 1.0.0' \
# -d 'grant_type=client_credentials'

$req = New-Object Chilkat.HttpRequest
$req.HttpVerb = "POST"
$req.Path = "/v3/token"
$req.ContentType = "application/x-www-form-urlencoded"
$req.AddParam("grant_type","client_credentials")

$req.AddHeader("WM_QOS.CORRELATION_ID","b3261d2d-028a-4ef7-8602-633c23200af6")
$req.AddHeader("Accept","application/json")
$req.AddHeader("WM_SVC.NAME","Walmart Marketplace")
$req.AddHeader("WM_SVC.VERSION","1.0.0")

# Set the "--user clientId:clientSecret" by setting the Login and Password properties
$http.Login = "clientId"
$http.Password = "clientSecret"

$resp = $http.PostUrlEncoded("https://marketplace.walmartapis.com/v3/token",$req)
if ($http.LastMethodSuccess -eq $false) {
    $($http.LastErrorText)
    exit
}

$sbResponseBody = New-Object Chilkat.StringBuilder
$resp.GetBodySb($sbResponseBody)
$jResp = New-Object Chilkat.JsonObject
$jResp.LoadSb($sbResponseBody)
$jResp.EmitCompact = $false

$("Response Body:")
$($jResp.Emit())

$respStatusCode = $resp.StatusCode
$("Response Status Code = " + $respStatusCode)
if ($respStatusCode -ge 400) {
    $("Response Header:")
    $($resp.Header)
    $("Failed.")

    exit
}

# Sample JSON response:
# (Sample code for parsing the JSON response is shown below)

# {
#   "access_token": "eyJraWQiOiIzN2JmOWQ5MS04ZDRkLTQwYjEtODU4NS1mNzhlZDc3MjM4MDQiLCJlbmMiOiJBMjU2R0NNIiwiYWxnIjoiZGlyIn0..bKkYKqJ5CP0Qb2Qz.wQ4TTa2nwL1rbT98BBdbTi_MRNMM0gW_5q8im6uX4olRwYiuOXjaG6TbnnFOK5fT0UzMEJUf-uybalogMH78cHP0ZyL6hONKJOMJ8VK3ThcZ4AUcqrMRBNIMFiAWSTvHJg1y5g-t-WwmZbaD589dMll7-aXG6PPncpeQA1zOyOTaELjDA4O4jimc2_7PnEdc6ETv89AKcnw1J1cPz6BPG9jpyLVX_zEZcQnxbAHYZiSFscFCzdMtpFDrPWIwWuRcV5qRlH4DghHMqKG7V2wqX1VYV_gUvLH5b2y8O6Y0u9nmkBpqTGNiMpWzNE7amFyqKExGk4Jc_ziJdsrj38cSz9a4KtZOrV6E3mN5gFFEQSNAGzrdEv2IdTfWdNgTnHopQecgrlP7EcsrmGh1ARGTWr-e7RaiL8m2Sx5i9odGj5FDJKXiDeohX-KEB-Vc2KJeLxvYAHA7nPT1_pkZDBCfpqq_6GAUBDEbDZ6mJH93TAE1YhFeR_jcdl_23lND9sHKlvHA97-fHAjEVTqu-4wVmFFelGyJD4VIBkieWn94jq_opMiz-RjyYn8Vj-tfdJy8azBNt5NkjjW7Rsque04LsfujrqHDcJHio3ukT5JKwxNv9PoHMxoHnQ5fUdF4pOzt6ZShkki-jSbhileDlClh0ufLSNYgBmy6Fz4wTZWgL-DhJOcv-7Cup95Rx35Wh7XDYTbdz_z_avtfF-f-JS5XyN20Hn-gioWdNA7DNhI1O6s7zKZ2s2iD9eFkprOLGtcJzvNVjrxKZKD6R0hrUUzDXRn95oWlJXfan-OsTNdRypfGWFqIes-n8cBhzVF69LEWIDMr6YfdkRkmCq_p_A.Bvyf-k_rnsiiuf0jGGVXvw",
#   "token_type": "Bearer",
#   "expires_in": 900
# }

# Sample code for parsing the JSON response...
# Use the following online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

$access_token = $jResp.StringOf("access_token")
$token_type = $jResp.StringOf("token_type")
$expires_in = $jResp.IntOf("expires_in")