вот этот текст

  
$apiKey = 'Кей';
$url = 'Урл';
$post = [
	'apikey' => $apiKey,
	'task_type' => 'file', // file, domain
	'engines' => 'avast,bitdef,nod32,fortinet,trend',
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
$r = curl_exec($ch);
$error = curl_error($ch);
$info = curl_getinfo($ch);
curl_close($ch);   

 
<?php

$apiKey = "key";
$url = "http://localhost:12345";
$post = [
	"apikey" => $apiKey,
	"task_type" => "file", // file, domain
	"engines" => "avast,bitdef,nod32,fortinet,trend",
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
$r = curl_exec($ch);
$error = curl_error($ch);
$info = curl_getinfo($ch);
curl_close($ch);   

?>

[guest@localhost php]$ nc -l 12345
POST / HTTP/1.1
Host: localhost:12345
Accept: */*
Content-Length: 375
Expect: 100-continue
Content-Type: multipart/form-data; boundary=------------------------9d91faa43c374748

--------------------------9d91faa43c374748
Content-Disposition: form-data; name="apikey"

key
--------------------------9d91faa43c374748
Content-Disposition: form-data; name="task_type"

file
--------------------------9d91faa43c374748
Content-Disposition: form-data; name="engines"

avast,bitdef,nod32,fortinet,trend
--------------------------9d91faa43c374748--
[guest@localhost php]$

  
#!/usr/bin/env python3
 
import requests
 
url = 'http://localhost:12345'
api_key = 'key'
 
data = {
    'apikey': api_key,
    'task_type': 'file', # file, domain
    'engines': 'avast,bitdef,nod32,fortinet,trend'
}
 
requests.post(url, data=data)

[guest@localhost php]$ nc -l 12345
POST / HTTP/1.1
Host: localhost:12345
User-Agent: python-requests/2.24.0
Accept-Encoding: gzip, deflate
Accept: */*
Connection: keep-alive
Content-Length: 75
Content-Type: application/x-www-form-urlencoded

apikey=key&task_type=file&engines=avast%2Cbitdef%2Cnod32%2Cfortinet%2Ctrend
[guest@localhost php]$