Postmark has 4 plans: a free plan and paid plans from $15/month. We have not recorded a price change.
Postmark plans and prices
Free
$0
- Emails per month — 100 emails/month
- No overages allowed
- Perfect for — Testing your integration, Evaluating Postmark's deliverability, Side projects with low volume
Basic
monthly$15/mo
$15.00/mo for 10,000 emails. Extra emails @ $1.80 / 1,000
- monthly$15/mo($15.00/mo)
- overage$1.80($1.80 per 1,000 emails over the 10,000 included)
- Emails per month — Starting at 10,000 emails/month
- Extra emails — $1.80 / 1,000
- Deliverability rates & speed
- Data retention — 45-day
- Custom sending domains — 5
- Unlimited emails/day
- Detailed analytics and insights
Pro
monthly$16.50/mo
$16.50/mo for 10,000 emails. Extra emails @ $1.30 / 1,000
- monthly$16.50/mo($16.50/mo)
- overage$1.30($1.30 per 1,000 emails over the 10,000 included)
- Emails per month — Starting at 10,000 emails/month
- Extra emails — $1.30 / 1,000
- Deliverability rates & speed
- Customizable data retention — up to 365 days (45-day default)
- Custom sending domains — 10
- Unlimited emails/day
- Detailed analytics and insights
- Inbound email processing
Platform
monthly$18/mo
$18.00/mo for 10,000 emails. Extra emails @ $1.20 / 1,000
- monthly$18/mo($18.00/mo)
- overage$1.20($1.20 per 1,000 emails over the 10,000 included)
- Emails per month — Starting at 10,000 emails/month
- Extra emails — $1.20 / 1,000
- Deliverability rates & speed
- Customizable data retention — up to 365 days (45-day default)
- Custom sending domains — Unlimited
- Unlimited emails/day
- Detailed analytics and insights
- Inbound email processing
Price history
Last 10 recorded changes
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Jun 23, 2026 | Free | New plan | — | $0 | — |
| Jun 23, 2026 | Developer | Removed | $0 | — | — |
| Jun 23, 2026 | Enterprise | Removed | — | — | — |
| May 17, 2026 | Platform | New plan | — | $18 | — |
| May 17, 2026 | Pro | New plan | — | $16.50 | — |
| May 17, 2026 | Basic | New plan | — | $15 | — |
| May 17, 2026 | Free | New plan | — | $0 | — |
| May 17, 2026 | Free | New plan | — | $0 | — |
| May 17, 2026 | Basic | New plan | — | $15 | — |
| May 17, 2026 | Pro | New plan | — | $16.50 | — |
Showing the most recent 10 changes. Full history back to 2023 is available through the developer API.
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