api تبدیل متن به صدا

<?php
$url = "https://iotype.com/io/v1/synthesis";

$data = [
    "tone" => "general",
    "speaker" => "tanaz",
    "text" => "سلام! امروز هوا بسیار عالی است."
];

$options = [
    "http" => [
        "header" => implode("\r\n", [
            'Authorization: Bearer YOUR_TOKEN',
            'Content-Type: application/json',
            'Accept: application/json',
            'X-Requested-With: XMLHttpRequest'
        ]),
        "method" => "POST",
        "content" => json_encode($data)
    ]
];

$context = stream_context_create($options);
$response = file_get_contents($url, false, $context);
echo $response;
?>