Transactional Email · pricing · Updated September 2026
Postmark pricing (2026)
Postmark's paid plans start at $15/mo (Basic) as checked on 2026-09-27, read from Postmark's own pricing page; 5 plans. Best for Teams where transactional deliverability is non-negotiable. Every figure below links to its source and the date we captured it.
At a glance
- Entry price: $15/mo (Basic)
- Free tier: Yes
- Compliance: HIPAA — · SOC 2 — · GDPR Yes
- Best for: Teams where transactional deliverability is non-negotiable; SaaS products needing inbox separation between transactional and marketing streams; Developers wanting broad framework coverage (Rails, Django, Laravel, .NET, Node.js)
As of · every figure below links to its source STALE · 2026-09-03
Postmark plans & pricing
| Plan | Monthly | Annual | Billing | Notes | Source |
|---|---|---|---|---|---|
| Free | $0 | — | Flat monthly | 100 emails/month, no overages allowed; 45-day data retention, up to 10 custom domains, unlimited emails/day, testing integration. | postmarkapp.com |
| Basic | $15 | — | Flat monthly | 10,000 emails/month included, $1.80 per 1,000 overage; 45-day retention, 5 custom domains, unlimited emails/day, detailed analytics. | postmarkapp.com |
| Pro | $16.5 | — | Flat monthly | Most popular. 10,000 emails/month included, $1.30 per 1,000 overage; customizable retention up to 365 days, 10 custom domains, inbound email processing. Dedicated IP add-on from $50/mo. | postmarkapp.com |
| Platform | $18 | — | Flat monthly | 10,000 emails/month included, $1.20 per 1,000 overage; unlimited custom domains, unlimited users, customizable retention up to 365 days, inbound email processing. | postmarkapp.com |
| Enterprise | quote-only | — | Flat monthly | Quote-only; custom pricing for senders exceeding 1.5 million emails/month, contact sales. | postmarkapp.com |
Last verified 2026-09-27. STALE · 2026-09-03 https://postmarkapp.com/pricing (official pricing page, accessed 2026-06-13; flat monthly plans bundling 10,000 emails with per-1,000 overage rates differing by tier) Re-verified 2026-09-03 against the live pricing page; published figures unchanged.
Price changes
Price on record
$15/moFirst on record 2026-06-27
A new dated entry is stamped here each time the price moves — the record builds itself.
Tracked since June 2026. No change record has cleared two sources yet, so nothing is published on the wire.
Capabilities
Integrations: WordPress (WP Mail SMTP, Gravity SMTP), Zapier, Supabase, Stripe, Slack, Netlify, Customer.io, Craft CMS.
Key features: Message Streams — separate infrastructure for transactional vs. promotional to protect deliverability; Inbound email processing (parse incoming emails into webhooks); MCP server integration for AI coding tools (Claude Code, Cursor, GitHub Copilot); 95%+ customer satisfaction rating; premium support included on all paid tiers; EU data protection and GDPR compliance with DPA available.
Plan limits: Free: 100 emails/month, no overages, 45-day retention; Basic: 10,000 emails/month included, $1.80/1K overage; Platform: unlimited domains and users; Enterprise: custom for 1.5M+ emails/month.
Frequently asked questions
How much does Postmark cost?
Postmark's paid plans start at $15/mo (Basic), and it lists a $0 plan (Free); it has 5 published plans. Verified 2026-09-27.
What are cheaper alternatives to Postmark?
Cheaper transactional email than Postmark (entry $15/mo) include MailerSend at $7/mo. Verified 2026-09-27.
Does Postmark support HIPAA?
Postmark's public pages do not say whether it supports HIPAA. Its public pages also state GDPR compliance.
Does Postmark have a free plan?
Yes — Postmark publishes a free tier.
Postmark vs alternatives
Compare all transactional email · Postmark alternatives · True cost of transactional email · SOC 2-certified transactional email · GDPR-compliant transactional email · Open data · MCP
Cheaper transactional email alternatives
- MailerSend from $7/mo
More transactional email tools
Related categories
Display this standing
Postmark currently holds a silver deskmark here — Rank 4 of 8 · Transactional Email. Anyone may show it. There is nothing to apply for, nothing to pay, and displaying it changes no score: the standing comes from the published algorithm and money never touches it.
The image is drawn from our live data, so it follows the standing rather than freezing it: if Postmark moves up or down a tier, the plaque on your own site says so at our next publish. Nothing is tracked beyond the ordinary web-server log that records any image request.