How much does Postmark cost?

Paid plans start at $15/mo, going up to $18/mo for larger teams. You can get started on the free plan before committing.

Is there a free plan?

Yes. The "Free" plan is free forever, not just a trial. You get rest api, smtp, multi-region routing (smtp) — plus 31 more features. It's enough to evaluate the product before upgrading.

Can I try it before paying?

Yes — there's a free trial. You don't need a credit card to start.

Postmark Pricing (2026)

You're paying by email volume, not seats — Postmark uses a slider to price plans based on how many emails you send monthly, with the $15-18 range reflecting the 10k/month tier. Go over your allotment and you're billed per additional 1,000 emails, so the real cost scales quietly in the background as your product grows.

From $15/mo 4 plans usage-based Free plan Free trial Best Postmark alternatives → Postmark's competitors →

Free: $0/mo
Basic: $15/mo
Pro Popular: $16/mo
Platform: $18/mo

Verified Aug 04, 2026 Official pricing page

Screenshot of Postmark's pricing page showing its plans and prices — Their pricing page, captured Aug 04, 2026

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Free

$0/mo

REST API
SMTP
Multi-Region Routing (SMTP)
Transactional email
Batch sending
Daily email limit
Inbound Email
Transactional Message Streams
Servers
Custom sending domains
Responsive email templates
Email template editor & import tool
High quality, vetted IPs
Suppression Management
Automatic suppression
DKIM, SPF, DMARC Authentication
Sandbox Mode
Dynamic API Documentation
Migration guides
Event Webhooks
Secure webhook endpoints
Official SDKs
Detailed Activity Retention
Granular bounce data
Delivery, Bounce, Spam, and Open Rates
Email Open and Link tracking
Custom Tagging
Stats API
User Roles
GDPR compliance
Penetration testing
DDoS protection
API permission controls
Number of Users

Basic

$15/mo

REST API
SMTP
Multi-Region Routing (SMTP)
Transactional email
Bulk Email API
Batch sending
Daily email limit
Transactional Message Streams
Servers
Custom sending domains
Responsive email templates
Email template editor & import tool
High quality, vetted IPs
Suppression Management
Automatic suppression
DKIM, SPF, DMARC Authentication
Sandbox Mode
Dynamic API Documentation
Migration guides
Event Webhooks
Secure webhook endpoints
Official SDKs
Detailed Activity Retention
Granular bounce data
Delivery, Bounce, Spam, and Open Rates
Email Open and Link tracking
Custom Tagging
Stats API
User Roles
GDPR compliance
Penetration testing
DDoS protection
Two-factor authentication
API permission controls
Number of Users

Pro

Popular

$16/mo

REST API
SMTP
Multi-Region Routing (SMTP)
Transactional email
Bulk Email API
Batch sending
Daily email limit
Inbound Email
Transactional Message Streams
Servers
Custom sending domains
Responsive email templates
Email template editor & import tool
High quality, vetted IPs
Dedicated IPs
Suppression Management
Automatic suppression
DKIM, SPF, DMARC Authentication
Sandbox Mode
Dynamic API Documentation
Migration guides
Event Webhooks
Secure webhook endpoints
Official SDKs
Detailed Activity Retention
Granular bounce data
Delivery, Bounce, Spam, and Open Rates
Email Open and Link tracking
Custom Tagging
Stats API
User Roles
GDPR compliance
Penetration testing
DDoS protection
Two-factor authentication
API permission controls
Number of Users

Platform

$18/mo

REST API
SMTP
Multi-Region Routing (SMTP)
Transactional email
Bulk Email API
Batch sending
Daily email limit
Inbound Email
Transactional Message Streams
Servers
Custom sending domains
Responsive email templates
Email template editor & import tool
High quality, vetted IPs
Dedicated IPs
Suppression Management
Automatic suppression
DKIM, SPF, DMARC Authentication
Sandbox Mode
Dynamic API Documentation
Migration guides
Event Webhooks
Secure webhook endpoints
Official SDKs
Detailed Activity Retention
Granular bounce data
Delivery, Bounce, Spam, and Open Rates
Email Open and Link tracking
Custom Tagging
Stats API
User Roles
GDPR compliance
Penetration testing
DDoS protection
Two-factor authentication
API permission controls
Number of Users

Does Postmark have a free plan?

Yes: the Free plan is free forever, not a time-limited trial. When you outgrow it, paid plans start at $15/mo. Paid tiers also come with a free trial, no credit card required.

What the free plan includes

REST API
SMTP
Multi-Region Routing (SMTP)
Transactional email
Batch sending
Daily email limit
Inbound Email
Transactional Message Streams
Servers
Custom sending domains
Responsive email templates
Email template editor & import tool
High quality, vetted IPs
Suppression Management
Automatic suppression
DKIM, SPF, DMARC Authentication
Sandbox Mode
Dynamic API Documentation
Migration guides
Event Webhooks
Secure webhook endpoints
Official SDKs
Detailed Activity Retention
Granular bounce data
Delivery, Bounce, Spam, and Open Rates
Email Open and Link tracking
Custom Tagging
Stats API
User Roles
GDPR compliance
Penetration testing
DDoS protection
API permission controls
Number of Users

AI Pricing Analysis

Pricing Model

Tier Strategy

Basic, Pro, and Platform aren't really about features at that entry point — they're about how much control and visibility you need over deliverability. Teams outgrow Basic when they need longer activity retention or start caring about DMARC monitoring across multiple domains, which pushes them into add-on territory regardless of tier.

Competitive Positioning

Postmark sits mid-pack for transactional email — pricier than bare-bones SMTP APIs but cheaper than enterprise-grade platforms bundling marketing automation. They're clearly chasing developers and product teams who want reliability without paying for bloat they won't use.

Growth Lever

The real expansion path is volume — as send counts climb, you either slide up the tier or eat per-1,000 overage charges, so growth is baked into the pricing mechanism itself. Add-ons like dedicated IPs and DMARC monitoring are the secondary lever, letting teams pay extra for deliverability control once email becomes business-critical.

Want the strategist's read on the live page? Read the AI teardown of Postmark's pricing page →

Postmark Pricing FAQ

How much does Postmark cost?: Paid plans start at $15/mo, going up to $18/mo for larger teams. You can get started on the free plan before committing.
Is there a free plan?: Yes. The "Free" plan is free forever, not just a trial. You get rest api, smtp, multi-region routing (smtp) — plus 31 more features. It's enough to evaluate the product before upgrading.
Can I try it before paying?: Yes — there's a free trial. You don't need a credit card to start.
How does the pricing work?: You're paying by email volume, not seats — Postmark uses a slider to price plans based on how many emails you send monthly, with the $15-18 range reflecting the 10k/month tier. Go over your allotment and you're billed per additional 1,000 emails, so the real cost scales quietly in the background as your product grows.
Which plan makes sense for me?: Basic, Pro, and Platform aren't really about features at that entry point — they're about how much control and visibility you need over deliverability. Teams outgrow Basic when they need longer activity retention or start caring about DMARC monitoring across multiple domains, which pushes them into add-on territory regardless of tier.

More Email APIs pricing

All Email APIs pricing →

Comparing Postmark to something specific? Try Postmark vs SendGrid, Postmark vs Mailgun, or Postmark vs Resend. Or see the best Postmark alternatives, ranked.

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