POST https://api.misar.io/mail/v1/send
Authorization: Bearer msk_<your_key>
Content-Type: application/json

{
  "from":    { "email": "no-reply@yourdomain.com", "name": "Your App" },
  "to":      [{ "email": "user@example.com" }],
  "subject": "Your verification code",
  "html":    "<p>Your code is <b>123456</b></p>",
  "text":    "Your code is 123456"
}

// 200 OK
{ "success": true, "message_id": "msg_xxx", "provider": "smtp" }

GET https://api.misar.io/mail/v1/campaigns?limit=20&offset=0
Authorization: Bearer msk_<your_key>

// 200 OK
{
  "campaigns": [
    {
      "id": "cmp_xxx",
      "name": "Welcome series",
      "status": "sent",
      "sent_at": "2026-01-15T10:00:00Z",
      "stats": { "sent": 1200, "opens": 420, "clicks": 89 }
    }
  ],
  "total": 42
}

await fetch("https://api.misar.io/mail/v1/send", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.MISARMAIL_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    from:    { email: "no-reply@yourdomain.com", name: "Your App" },
    to:      [{ email: user.email }],
    subject: "Welcome!",
    html:    welcomeHtml,
    text:    welcomeText,
  }),
});