# Postmark pricing (2026): plans, cost, and compliance

**Entry price:** $0 (free)/mo (Free). Among the 8 transactional email we track it is the cheapest; median entry $0/mo.
**Domain:** postmarkapp.com
**Free tier:** Yes
**Compliance:** HIPAA Not published · SOC 2 Not published · GDPR Yes
**Integrations:** WordPress (WP Mail SMTP, Gravity SMTP), Zapier, Supabase, Stripe, Slack, Netlify, Customer.io, Craft CMS
**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)
**Price tracked since:** June 2026

## Plans

| Plan | Monthly | Annual | Billing | Notes | Source |
| --- | --- | --- | --- | --- | --- |
| Free | $0 | — | flat | 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 | 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 | 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 | 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 | Quote-only; custom pricing for senders exceeding 1.5 million emails/month, contact sales. | postmarkapp.com |

**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.

Sources: 1 · Last verified 2026-06-13
Provenance: 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)
Canonical: https://frontdeskreview.com/software/transactional-email/postmark/
Cite: Per The Front Desk Review, Postmark's entry plan was $0 (free)/mo as of 2026-06-13 — https://frontdeskreview.com/software/transactional-email/postmark/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl