API per invii programmatici.

curl -X POST https://api.targetsmtp.it/v1/messages \
  -H "Authorization: Bearer $TARGET_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "from":    "noreply@tuosito.it",
    "to":      ["utente@example.com"],
    "subject": "Conferma ordine #1024",
    "html":    "<p>Grazie!</p>",
    "tags":    ["order-confirmation"]
  }'

// PHP 8+ con HTTP client built-in via file_get_contents:
$payload = json_encode([
  "from"    => "noreply@tuosito.it",
  "to"      => ["utente@example.com"],
  "subject" => "Conferma ordine #1024",
  "html"    => "<p>Grazie!</p>",
]);
$ctx = stream_context_create([
  "http" => [
    "method"  => "POST",
    "header"  => [
      "Authorization: Bearer " . $TARGET_KEY,
      "Content-Type: application/json",
      "Idempotency-Key: " . bin2hex(random_bytes(16)),
    ],
    "content" => $payload,
  ],
]);
$resp = json_decode(file_get_contents("https://api.targetsmtp.it/v1/messages", false, $ctx), true);

await fetch('https://api.targetsmtp.it/v1/messages', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${process.env.TARGET_KEY}`,
    'Content-Type': 'application/json',
    'Idempotency-Key': crypto.randomUUID(),
  },
  body: JSON.stringify({
    from: 'noreply@tuosito.it',
    to: ['utente@example.com'],
    subject: 'Conferma ordine #1024',
    html: '<p>Grazie!</p>',
  }),
});

import os, uuid, requests
r = requests.post(
  'https://api.targetsmtp.it/v1/messages',
  headers={
    'Authorization': f'Bearer {os.environ["TARGET_KEY"]}',
    'Content-Type': 'application/json',
    'Idempotency-Key': str(uuid.uuid4()),
  },
  json={
    'from': 'noreply@tuosito.it',
    'to': ['utente@example.com'],
    'subject': 'Conferma ordine #1024',
    'html': '<p>Grazie!</p>',
  },
)
print(r.json())