$uri = 'https://css.api.hp.com/productWarranty/v1/queries'

$serial = (Get-WmiObject Win32_SystemEnclosure).SerialNumber
$modelSKU = (Get-WmiObject Win32_ComputerSystem | Select-Object *).SystemSKUNumber
$model = (Get-WmiObject Win32_ComputerSystem | Select-Object *).Model

#Get HP Access Token
$tokenuri = 'https://css.api.hp.com/oauth/v1/token'
$apitokenbody = @{
    apiKey    = '<KEY GOES HERE>'
    apiSecret = '<SECRET GOES HERE>'
    grantType = 'client_credentials'
    scope     = 'warranty'

}
#Get The access token needed for the Warranty API call. Access tokens expire
$accesstoken = (Invoke-RestMethod -uri $tokenuri -Body $apitokenbody -Method Post -ContentType application/x-www-form-urlencoded -Verbose).Root.access_token

#Get HP Warranty Information
#HP Warranty Check
$hpwarranty = @{
    Params =
    @{
        sn = "$serial"
        pn = "$modelSKU"
    }

} | ConvertTo-Json
$warrantyinfo = Invoke-RestMethod -uri $uri -Body $hpwarranty -Headers @{Authorization = "Bearer $accesstoken"} -Method Post -ContentType application/json -Verbose