Transactional Email
Sends emails your app triggers, like verification links and receipts. Free tiers often have a daily cap.
Monthly cost as you grow
For a commercial project, using the cheapest plan that fits at each size and our default usage averages. How we estimate
| Provider | 100 users | 1,000 users | 10,000 users | 100,000 users |
|---|---|---|---|---|
| Amazon SES | $0.03Essentials | $0.32Essentials | $3.20Essentials | $32.00Essentials |
| Mailgun | $0Free | $15.00Basic | $33.00Basic | $200Scale |
| Postmark | $15.00Basic | $15.00Basic | $29.50Pro | $264Pro |
| Resend | $0Free | $20.00Pro 50K | $20.00Pro 50K | $125Pro 100K |
| Twilio SendGrid | $19.95Essentials 50K | $19.95Essentials 50K | $19.95Essentials 50K | $249Pro 300K |
Free tiers and their catches
Amazon SES
No free plan.
Mailgun
Free: Mailgun labels the Free plan "Test us out" and states no commercial-use restriction, so it is marked as allowed. Check Mailgun's terms if this matters to you.
- Free stops at its limits rather than billing more.
- Free allows 100 emails per day (emails).
Postmark
Developer (free): 100 emails a month with no overage allowed. Postmark says it never expires.
- Developer (free) stops at its limits rather than billing more.
Resend
Free: 100 emails a day and 3,000 a month, with no overage. Received emails count too, and each To, CC or BCC recipient counts separately.
- Free stops at its limits rather than billing more.
- Free allows 100 emails per day (emails).
Twilio SendGrid
No free plan.