Creates a querystring to use with an API call

New-QueryString.ps1

function New-QueryString {
    <#
    .SYNOPSIS
    Turn a hashtable into a URI querystring
    
    .DESCRIPTION
    Turn a hashtable into a URI querystring
    
    .PARAMETER QueryParameter
    The hashtable to transform
    
    .EXAMPLE
    New-QueryString -QueryParameter @{ Animal = 'Dog'; Breed = 'Labrador; Name = 'Dilbert'}
    
    .NOTES
    Shamelessly taken from https://powershellmagazine.com/2019/06/14/pstip-a-better-way-to-generate-http-query-strings-in-powershell/
    #>
    [CmdletBinding()]
    param 
    (
        [Parameter(Mandatory = $true)]
        [Hashtable]
        $QueryParameter
    )
    # Add System.Web
    Add-Type -AssemblyName System.Web
    
    # Create a http name value collection from an empty string
    $nvCollection = [System.Web.HttpUtility]::ParseQueryString([String]::Empty)
    
    foreach ($key in $QueryParameter.Keys) {
        $nvCollection.Add($key, $QueryParameter.$key)
    }
    
    return $nvCollection.ToString()
}

Hi @steviecoaster! I added support for accepting IDictionary and handling for values that implement ICollection so that the resulting query string can support multiple values with the same key based on comments from @StartAutomating on bsky:

https://gist.github.com/joshooaj/1f2ca6153b2085a9e028e9860f209c9a

Lol now if only there was some GitHub org I'd made with the express purpose of collecting PowerShell web stuff.

Oh wait.....

Https://GitHub.com/PowerShellWeb

Who wants an invite ?

Obvs me 😁