A cloud-based email delivery service (by Twilio) for sending transactional and marketing email at scale via API or SMTP, with deliverability and analytics tooling.
The bulk-email service behind Ian’s most-repeated security lesson: in Episode 003 he shared how a single exposed SendGrid key sent 127,000 emails from his address. We use it to send at scale, and we guard and rotate the keys.
Yes, SendGrid has a free tier. Free tier with limited daily sends; usage-based paid plans.
Free tier with limited daily sends; usage-based paid plans.
Ian Kilpatrick used it in Episode 003 to sent bulk email at scale; the source of Ian’s API-key security lesson.
| Category | Marketing & growth |
|---|---|
| Pricing | Free tier with limited daily sends; usage-based paid plans. |
| Free tier | Yes |
| Used live in | Episode 003 |
| Operator(s) | Ian Kilpatrick |
| Website | sendgrid.com |
See tools like SendGrid set up live, step by step, on AI4NTP, or get hands-on help putting it to work.