Referência da API

<?php
$apikey = 'YOUR_API_KEY';
$email  = urlencode('user@example.com');
$url    = "https://api.easyemailverification.com/v1/verify?apikey={$apikey}&email={$email}";

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$body = curl_exec($ch);
curl_close($ch);

$data = json_decode($body, true);
if ($data['safe_to_send']) {
    // safe to add to your list
}

import requests

API_KEY = "YOUR_API_KEY"

def verify_email(email: str) -> dict:
    r = requests.get(
        "https://api.easyemailverification.com/v1/verify",
        params={"apikey": API_KEY, "email": email},
        timeout=10
    )
    r.raise_for_status()
    return r.json()

result = verify_email("user@example.com")
print(result["safe_to_send"])  # True / False

async function verifyEmail(email) {
  const params = new URLSearchParams({
    apikey: "YOUR_API_KEY",
    email,
  });
  const res  = await fetch(`https://api.easyemailverification.com/v1/verify?${params}`);
  const data = await res.json();
  return data;
}

const result = await verifyEmail("user@example.com");
console.log(result.safe_to_send); // true / false