JSON Validator API - https://crashmax.ru/api/getJSON

getJSON.php

<?php

$headers = getallheaders();
header("Content-Type: application/json");
header("Access-Control-Allow-Credentials: true");
header("Access-Control-Allow-Origin: ".$headers["Origin"]);

$data = $_POST["value"];

if (isset($data) && !empty($data)) {
    $ch = curl_init();
    
    $postfields = [
        "data" => $data,
        "jsonspec" => 4,
        "jsontemplate" => 2
    ];
    
    curl_setopt($ch, CURLOPT_URL,"https://jsonformatter.curiousconcept.com/process");
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ["Content-Type: application/x-www-form-urlencoded"]);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($postfields));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $response = curl_exec($ch);
    curl_close($ch);

    echo $response;
} else {
	echo json_encode(
        [
            "result" => false,
            "description" => "Bad Request!"
        ], JSON_PRETTY_PRINT);
}