PowerShell HTTP GET JSON with a Hard Timeout

function Get-JsonUrl {
    param(
        [Parameter(Mandatory)][string]$Uri,
        [ValidateRange(1, 300)][int]$TimeoutSec = 10
    )
    try {
        $data = Invoke-RestMethod -Uri $Uri -Method Get -TimeoutSec $TimeoutSec `
            -Headers @{ Accept = 'application/json' } -ErrorAction Stop
    } catch {
        throw "GET $Uri failed: $($_.Exception.Message)"
    }
    if ($null -eq $data) { throw "GET $Uri returned an empty body." }
    $data
}