Postmark Pricing 2026: Free Plan + Volume-Based Rates

Name: Postmark
Brand: Postmark
Availability: InStock
Rating: 8.3 (1 reviews)

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Price Snapshot

How much does Postmark cost?

Postmark starts at $15/mo for a paid plan, with a free plan for smaller teams. That's at category median for Email Marketing tools.

#18 of 36 by priceCategory avg: $31.46/moMedian: $15/mo28 tools offer free plans

Postmark Pricing: Free for 100 Emails, $15/mo at 10,000

What else you pay

Postmark charges beyond the plan price

These are optional, but they are the charges that move a plan price once you are running.

Custom activity retention	$5 per month
Dedicated IPs	$50 per IP per month
DMARC monitoring	$14 per domain per month
Extra emails	$1.20 to $1.80 per 1,000 emails

Read from Postmark’s own pricing page. Where a charge is listed without an amount, the vendor prices it by destination or usage rather than publishing a single rate, so it is shown as charged separately rather than estimated here.

WHAT THIS CATEGORY COSTS AS YOU SCALE

Email Marketing pricing by list size

The middle of the market at each level, across every Email Marketing tool on this site that publishes a price there. Going from 500 contacts to 100,000 contacts multiplies the typical bill by 37.5×.

Category median

HubSpot(most reviewed, 40,490)

500 contactsmedian $12.5014 of 36

MMedian$12.50

Cheapest here:Zoho Campaigns$4/mo

1,000 contactsmedian $1916 of 36

MMedian$19

HubSpot$20

Cheapest here:Zoho Campaigns$7/mo

2,500 contactsmedian $3517 of 36

MMedian$35

Cheapest here:Zoho Campaigns$17/mo

5,000 contactsmedian $6520 of 36

MMedian$65

HubSpot$220

Cheapest here:Ghost$18/mo

10,000 contactsmedian $10019 of 36

MMedian$100

HubSpot$470

Cheapest here:Ghost$18/mo

25,000 contactsmedian $22020 of 36

MMedian$220

HubSpot$1,220

Cheapest here:Ghost$18/mo

50,000 contactsmedian $37919 of 36

MMedian$379

HubSpot$2,470

Cheapest here:Ghost$18/mo

100,000 contactsmedian $46915 of 36

MMedian$469

HubSpot$5,350

Cheapest here:Ghost$18/mo

Each median is the middle price of the cheapest plan covering that level, across the 36 Email Marketing tools on this site. Tools that publish no price at a level are excluded from that row rather than estimated, which is why coverage varies. “Most reviewed” uses combined third-party review counts as a stand-in for popularity. These are list prices before overage, add-ons and seat charges.

Plans

Postmark plans and pricing

3 paid plans · Monthly billing · Verified May 29, 2026

Free

$0/mo

Basic

$15/mo

ProRecommended

$16.50/mo

Platform

$18/mo

Free plan available

100 emails per month with full API access and developer tools. Never expires.

Recommendation

Which plan should you choose?

Free PlanDevelopers testing APIs

100 emails monthly with full API access is perfect for testing integrations without any commitment.

Basic PlanSmall SaaS apps

10,000 emails covers password resets, notifications, and onboarding sequences for most growing applications.

Pro PlanMedium apps with steady volume

25,000 emails plus priority support handles consistent transactional volume with room to grow.

Platform PlanEnterprise applications

Dedicated IP pools and phone support are essential for high-volume, mission-critical email delivery.

Editorial

My take on Postmark pricing

Joonas RotkoAuthor & founder of That Marketing Buddy

Postmark's pricing is refreshingly straightforward for developers. You pay for what you use, with clear volume tiers and no hidden fees. The Postmark MCP server makes it particularly valuable for AI-driven workflows.

The volume-based model works well if you can predict your sending patterns. But if your email volume fluctuates wildly, those overage charges can add up fast. Compare this to tools like Brevo or MailerLite if you need marketing features beyond transactional sends.

Verdict

Is Postmark Worth the Price?

Postmark delivers exceptional value for transactional email. The API is developer-friendly, deliverability is industry-leading, and the pricing scales predictably. If you need marketing automation, look elsewhere. But for reliable transactional sends, few competitors match this price-to-performance ratio.

FAQ

Frequently Asked Questions

Additional emails are billed at the end of your cycle based on standard overage rates. You can monitor usage in your dashboard to avoid surprises.

Yes, you can send up to 100 emails monthly forever on the free plan with full API access and core features.

No, Postmark currently only offers monthly billing. All plans are billed monthly at the listed rates.

Yes, you can upgrade or downgrade your plan at any time. Changes take effect immediately with prorated billing.

Phone support is available only on the Platform plan and provides direct access to technical support during business hours.

Most users don't need dedicated IPs. They're included in the Platform plan for high-volume senders who need maximum deliverability control.

No setup fees on any plan. You only pay the monthly plan rate plus any volume overages you use.

See the pricing for yourself

Check the official pricing page for current rates.

View Postmark Pricing

Postmark Pricing: Free for 100 Emails, $15/mo at 10,000

How much does Postmark cost?

Postmark charges beyond the plan price

Email Marketing pricing by list size

Postmark plans and pricing

Which plan should you choose?

My take on Postmark pricing

Frequently Asked Questions

See the pricing for yourself

Postmark

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