Transactional Email API
Postmark Pricing Explained: Tiers, Limits & Hidden Costs
- Starting price
- $15/mo (10,000 emails)
- Pricing model
- Per-email volume, no overage surprises
- Free tier
- Free trial: 100 test emails/mo
Postmark plans and limits
| Tier | What you get |
|---|---|
| Free | Free trial: 100 test emails/mo |
| Paid entry point | $15/mo (10,000 emails) |
| How the bill grows | Per-email volume, no overage surprises |
| Self-hosted | Not available |
Hidden costs to budget for
- Per-email cost is high next to Amazon SES or Resend at volume
What Postmark costs as you grow
Postmark's $15/mo covers only 10,000 emails, about 3.7x the per-email cost of Resend's $20/mo for 50,000. A product sending 100,000 emails a month pays roughly $35 on Resend and far more on Postmark.
Resend vs PostmarkSendGrid is cheaper per email at the entry tier, but its marketing features are what you are paying to unlock. Postmark costs more per message and gives you nothing but delivery quality, which is the point.
SendGrid vs PostmarkCheaper alternatives to Postmark
Postmark pricing: FAQ
How much does Postmark cost?
Postmark uses per-email volume, no overage surprises pricing. Paid usage starts at $15/mo (10,000 emails).
Does Postmark have a free tier?
Free trial: 100 test emails/mo.
What are the hidden costs of Postmark?
Per-email cost is high next to Amazon SES or Resend at volume.
What are cheaper alternatives to Postmark?
Resend ($20/mo (Pro, 50,000 emails)), Twilio SendGrid ($19.95/mo (Essentials, 50,000 emails)), Amazon SES ($0.10 per 1,000 emails).