const response = await fetch("https://jquicknet.com/api/sms/send", {
  method: "POST",
  headers: {
    "X-Api-Key": "jqn_your_api_key_here",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    sender_id: "JQUICKNET",
    message: "Hello from API",
    contacts: "255712345678,255687654321"
  })
});

const data = await response.json();
console.log(data);

import requests

url = "https://jquicknet.com/api/sms/send"
headers = {
    "X-Api-Key": "jqn_your_api_key_here",
    "Content-Type": "application/json"
}
payload = {
    "sender_id": "JQUICKNET",
    "message": "Hello from API",
    "contacts": "255712345678,255687654321"
}

response = requests.post(url, json=payload, headers=headers)
print(response.json())

<?php

$ch = curl_init("https://jquicknet.com/api/sms/send");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => [
        "X-Api-Key: jqn_your_api_key_here",
        "Content-Type: application/json"
    ],
    CURLOPT_POSTFIELDS => json_encode([
        "sender_id" => "JQUICKNET",
        "message" => "Hello from API",
        "contacts" => "255712345678,255687654321"
    ])
]);

$response = curl_exec($ch);
curl_close($ch);
echo $response;