An example to call the NameCheap API via powershell (and parse the result)

NamecheapAPI.ps1

# This is just an example for the Get Hosts endpoint
# docs: https://www.namecheap.com/support/api/methods/domains-dns/get-hosts/

function GetNamecheapTarget
{
    param
    (
        [string]$username,
        [string]$apiKey,
        [string]$domain,
        [string]$domainHost,
        [string]$clientIp
    )

    $command = 'namecheap.domains.dns.getHosts'

    $response = Invoke-WebRequest -uri "https://api.namecheap.com/xml.response?ApiUser=$username&ApiKey=$apiKey&UserName=$username&ClientIp=$clientIp&Command=$command&SLD=$domain&TLD=com"

    return (([xml]$response.Content).ApiResponse.CommandResponse.DomainDNSGetHostsResult.host | Where {$_.Name -eq $domainHost}).Address
}