Postmark pricing, checked at the source
Postmark's plans, included emails and overage rates, read off Postmark's own pricing page, with a link and date on every row and an estimator.
Postmark plans
Monthly prices in USD, billed monthly unless the row says otherwise. Each row links to Postmark's pricing page.
| Plan | Per month | What it includes | Source |
|---|---|---|---|
| Free (Developer) | $0 | 100 emails a month, no overages | Sourcechecked 2026-10-25 |
| Basic | $15 | 10,000 emails a month | Sourcechecked 2026-10-25 |
| Pro | $16.50 | 10,000 emails a month, inbound processing | Sourcechecked 2026-10-25 |
| Platform | $18 | 10,000 emails a month, unlimited sending domains | Sourcechecked 2026-10-25 |
Postmark usage rates
What each unit costs, what is free or included, and which plan the rate is on. Every row shows its source and the day we checked it.
| What you pay for | Rate | Free or included | Plan | Notes | Source |
|---|---|---|---|---|---|
| Extra emails on Basic | $1.80 per 1,000 emails | First 10,000 emails included | Basic | Sourcechecked 2026-10-25 | |
| Extra emails on Pro | $1.30 per 1,000 emails | First 10,000 emails included | Pro | Sourcechecked 2026-10-25 | |
| Extra emails on Platform | $1.20 per 1,000 emails | First 10,000 emails included | Platform | Sourcechecked 2026-10-25 |
Estimate your Postmark bill
Pick a plan and enter your monthly usage. The total updates as you type.
Estimated month
$177.00
Basic: plan fee $15.00
| Usage | Amount a month | Cost |
|---|---|---|
| $1.80 per 1,000 emails | Priced per 1,000 emails | $162.00 |
List prices in USD before tax, from Postmark's pricing page checked 2026-10-25. USD, monthly billing (no annual plans offered). Prices at the smallest 10,000 emails/month step.
How the bill is worked out
Free plan
No annual plans
Volume steps
Assumptions
USD, monthly billing (no annual plans offered). Prices at the smallest 10,000 emails/month step.
Not confirmed, so left out
- Prices for higher volume steps (slider) were not captured.
Postmark pricing questions
How much does Postmark cost?
Free (Developer) has no monthly fee: 100 emails a month, no overages. The lowest paid plan listed is Basic at $15 a month. Usage rates include extra emails on Basic at $1.80 per 1,000 emails, extra emails on Pro at $1.30 per 1,000 emails and extra emails on Platform at $1.20 per 1,000 emails. All checked on 2026-10-25.
What is not on Postmark's pricing page?
We could not confirm these on 2026-10-25, so the page shows no number for them: Prices for higher volume steps (slider) were not captured.
Where do these prices come from?
From Postmark's own pricing pages, starting at https://postmarkapp.com/pricing, checked on 2026-10-25. Every row links to the page it came from. USD, monthly billing (no annual plans offered). Prices at the smallest 10,000 emails/month step.
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