Postmark pricing plans
Postmark prices its email plans by monthly volume. At 10,000 emails a month, Basic costs $15.00 a month, Pro costs $16.50, and Platform costs $18.00. Each plan sets its own price for extra emails past the 10,000. The free Developer plan covers 100 emails a month. Figures are in USD and come from the Postmark pricing page on October 25, 2026, read at the default 10,000 emails a month. Live plan data is on the Postmark pricing page on SaaS Price Watch.
Postmark plans at a glance
| Plan | Price at 10,000 emails | Extra emails | Custom sending domains |
|---|---|---|---|
| Free | $0 | Not allowed (100 emails a month) | Not listed |
| Basic | $15.00 a month | $1.80 per 1,000 | 5 |
| Pro | $16.50 a month | $1.30 per 1,000 | 10 |
| Platform | $18.00 a month | $1.20 per 1,000 | Unlimited |
Yearly cost
Our math for 12 months at 10,000 emails a month: Basic $180, Pro $198, and Platform $216. Postmark's volume slider changes the price at other volumes, and we did not read those steps, so this guide does not list them.
Plan limits
| Feature | Basic | Pro | Platform |
|---|---|---|---|
| Data retention | 45 days | Up to 365 days (45-day default) | Up to 365 days (45-day default) |
| Inbound email processing | No | Yes | Yes |
| Daily email limit | Unlimited | Unlimited | Unlimited |
Which plan fits
- Free: testing your integration or a side project with low volume.
- Basic: solo developers and small teams that send but do not receive email.
- Pro: start-ups that need inbound email and longer retention.
- Platform: agencies and larger teams that need unlimited sending domains.
High-volume senders can ask Postmark sales for custom pricing.
Compare and track
See the Supabase pricing guide, the Mailchimp pricing guide, and all email tools. Get an alert when Postmark changes its prices.
FAQ
How much does Postmark cost per month? At 10,000 emails a month, Basic is $15.00, Pro is $16.50, and Platform is $18.00.
Is Postmark free? Yes. The free Developer plan includes 100 emails a month with no overages allowed. It does not expire.
How much do extra Postmark emails cost? $1.80 per 1,000 on Basic, $1.30 per 1,000 on Pro, and $1.20 per 1,000 on Platform.
Which Postmark plan includes inbound email? Pro and Platform include inbound email processing. Basic does not.
How long does Postmark keep email data? Basic keeps 45 days. Pro and Platform default to 45 days and can be set up to 365 days.
Checked 2026-10-25. Prices and policies change. Confirm on the source before you buy.
Sources
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