Получение информации об организации или ИП по ИНН

$url = "https://data.tronk.info/findcompany.ashx";
$params = array(
    "key" => "USER_API_KEY",
    "mode" => "settask",
    "inn" => "5050125477"
);
$response = file_get_contents($url . "?" . http_build_query($params));
$result = json_decode($response, true);

import requests

params = {
    "key": "USER_API_KEY",
    "mode": "settask",
    "inn": "5050125477"
}
response = requests.get("https://data.tronk.info/findcompany.ashx", params=params, timeout=30)
response.raise_for_status()
result = response.json()

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json;

class Program
{
    static async Task Main()
    {
        var parameters = new Dictionary<string, string>
        {
            { "key", "USER_API_KEY" },
            { "mode", "settask" },
            { "inn", "5050125477" }
        };
        var query = string.Join("&", parameters.Select(p =>
            Uri.EscapeDataString(p.Key) + "=" + Uri.EscapeDataString(p.Value)));
        using (var client = new HttpClient())
        {
            var response = await client.GetStringAsync("https://data.tronk.info/findcompany.ashx?" + query);
            var result = JsonConvert.DeserializeObject(response);
        }
    }
}

$url = "https://data.tronk.info/findcompany.ashx";
$params = array(
    "key" => "USER_API_KEY",
    "mode" => "getresults",
    "taskid" => "41680e75-51e0-45f4-a096-fa2f87b4c2bf"
);
$response = file_get_contents($url . "?" . http_build_query($params));
$result = json_decode($response, true);

import requests

params = {
    "key": "USER_API_KEY",
    "mode": "getresults",
    "taskid": "41680e75-51e0-45f4-a096-fa2f87b4c2bf"
}
response = requests.get("https://data.tronk.info/findcompany.ashx", params=params, timeout=30)
response.raise_for_status()
result = response.json()

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json;

class Program
{
    static async Task Main()
    {
        var parameters = new Dictionary<string, string>
        {
            { "key", "USER_API_KEY" },
            { "mode", "getresults" },
            { "taskid", "41680e75-51e0-45f4-a096-fa2f87b4c2bf" }
        };
        var query = string.Join("&", parameters.Select(p =>
            Uri.EscapeDataString(p.Key) + "=" + Uri.EscapeDataString(p.Value)));
        using (var client = new HttpClient())
        {
            var response = await client.GetStringAsync("https://data.tronk.info/findcompany.ashx?" + query);
            var result = JsonConvert.DeserializeObject(response);
        }
    }
}