{"name":"Postmark","slug":"postmark","pricingModel":"freemium","normalized":{"currency":"USD","entry":{"plan":"Basic","kind":"paid","priceText":null,"perMonth":15,"unit":"unknown","unitNoun":null,"billing":"unknown","free":false,"contactSales":false},"entryStatus":"priced","entryNote":null,"plans":[{"plan":"Free","kind":"free","priceText":null,"perMonth":0,"unit":"unknown","unitNoun":null,"billing":"unknown","free":true,"contactSales":false},{"plan":"Basic","kind":"paid","priceText":null,"perMonth":15,"unit":"unknown","unitNoun":null,"billing":"unknown","free":false,"contactSales":false},{"plan":"Pro","kind":"paid","priceText":null,"perMonth":16.5,"unit":"unknown","unitNoun":null,"billing":"unknown","free":false,"contactSales":false},{"plan":"Platform","kind":"paid","priceText":null,"perMonth":18,"unit":"unknown","unitNoun":null,"billing":"unknown","free":false,"contactSales":false}],"hasFreePlan":true,"hasFreeTrial":false,"contactSalesOnly":false},"pricingDetails":{"tiers":[{"name":"Free","price":0,"features":["100 emails per month","No overages","Never expires","Full API access","Testing and evaluation"],"interval":"month"},{"name":"Basic","price":15,"features":["10,000 emails per month","$1.80 per 1,000 overage emails","45-day data retention","5 custom sending domains","Unlimited daily emails","Detailed analytics"],"interval":"month","sourceUrl":"https://postmarkapp.com/pricing","sourceQuote":"Basic $15.00/mo","sourceReadAt":"2026-11-09T03:00:10.807Z"},{"name":"Pro","price":16.5,"features":["10,000 emails per month","$1.30 per 1,000 overage emails","Customizable retention up to 365 days","10 custom sending domains","Inbound email processing","All Basic features"],"interval":"month","sourceUrl":"https://postmarkapp.com/pricing","sourceQuote":"Pro $16.50/mo","sourceReadAt":"2026-11-09T03:00:10.807Z"},{"name":"Platform","price":18,"features":["10,000 emails per month","$1.20 per 1,000 overage emails","Unlimited custom domains","Unlimited users and servers","All Pro features"],"interval":"month","sourceUrl":"https://postmarkapp.com/pricing","sourceQuote":"Platform $18.00/mo","sourceReadAt":"2026-11-09T03:00:10.807Z"}],"addOns":["Dedicated IPs from $50/mo per IP (300k+ emails/mo minimum)","Custom Activity Retention from $5/mo","DMARC Monitoring from $14/mo per domain"],"hasFreeTier":true,"hasFreeTrial":false},"costFacts":null,"pricesByRegion":null,"verdict":"Postmark has built its entire reputation on one thing: deliverability. While competitors like SendGrid and Mailgun compete on price and volume, Postmark competes on inbox placement, and the data backs it up. They enforce strict content policies (no bulk marketing on transactional streams), maintain a smaller sender pool, and actively remove bad actors, which keeps shared IP reputation high. The pricing is straightforward: $15-18/month base plus per-email overage, no per-seat charges, no feature tiers that gate essential deliverability features. The gap between Basic ($1.80/1,000) and Platform ($1.20/1,000) is meaningful at scale, a 33% cost reduction per email. The main limitation is that Postmark is purpose-built for transactional and broadcast email only; it is not a marketing automation platform. No drip campaigns, no visual email builders, no audience segmentation. If you need those, pair Postmark (transactional) with a dedicated marketing tool.","bestFor":"Free (Developer): 100 emails per month at zero cost with no expiration. Includes the same deliverability infrastructure as paid plans, no throttling, no sandboxing, no feature gates. Enough for testing transactional email flows, verifying DKIM/SPF setup, and prototyping webhook integrations before committing to a paid plan. | Basic ($15/mo): 10,000 emails included at $15/month ($1.50 per 1,000 emails). Overage at $1.80 per 1,000 additional. Includes message streams (transactional + broadcast separation), 45-day activity retention, webhooks, and full API access. No dedicated IP, shared IP pool with Postmark's strict sender reputation management. For apps sending order confirmations, password resets, and notifications, this tier covers most early-stage needs. | Pro ($16.50/mo): Same 10,000-email base but overage drops to $1.30 per 1,000, a 28% discount over Basic. The lower overage rate means Pro becomes cheaper than Basic at roughly 12,000 emails per month. The dedicated IP option is critical for high-volume senders who need full control over their sending reputation. | Platform ($18/mo): Lowest overage at $1.20 per 1,000 emails, a 33% discount over Basic. Designed for multi-tenant architectures where one account manages email for multiple end customers. Same dedicated IP, DMARC, and retention add-ons as Pro. Breaks even with Pro at around 20,000 emails/month. The real value is operational: one Postmark account, multiple message streams, centralized deliverability monitoring across all client domains. | Enterprise (Custom): Custom volume pricing, dedicated account management, and negotiated SLAs. Required for senders consistently exceeding 300,000+ emails per month where per-email cost optimization matters. Contact sales for pricing, expect per-email rates well below the $1.20/1,000 Platform tier rate at sufficient volume.","hiddenCosts":["DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free.","Activity retention is short on Basic: only 45 days of message activity retention on Basic.","Broadcast emails count against your quota: Postmark now supports broadcast (marketing-style) emails alongside transactional. Both count against your email volume. A monthly newsletter to 5,000 subscribers eats 50% of your 10,000-email base allocation","No built-in email template builder: Postmark provides basic templates but no drag-and-drop visual editor. You need to bring your own HTML templates or use a third-party builder like Maizzle or MJML. Competitors like Resend and SendGrid include more capable template editors","Overage is billed retroactively: overages are calculated at the end of the billing cycle and charged on the next month's invoice. A traffic spike can create an unexpectedly large bill the following month with no real-time spending cap"],"recentChanges":[],"priceHistory":[{"date":"2026-11-01","entryPrice":15,"plans":[{"name":"Free","price":"Free"},{"name":"Basic","price":"$15.00/mo"},{"name":"Pro","price":"$16.50/mo"},{"name":"Platform","price":"$18.00/mo"},{"name":"High-volume","price":"Contact us"}],"source":"read","url":null},{"date":"2026-11-09","entryPrice":15,"plans":[{"name":"Free","price":"$0.00/mo"},{"name":"Basic","price":"$15.00/mo"},{"name":"Pro","price":"$16.50/mo"},{"name":"Platform","price":"$18.00/mo"}],"source":"read","url":null}],"partnerLink":false,"provenance":{"lastVerifiedAt":"2026-11-09","sourceUrl":"https://postmarkapp.com/pricing","confidence":"high"},"source":"Toolradar","citation":"Toolradar, verified 2026-11-09, https://toolradar.com/tools/postmark/pricing","affiliateUrl":"https://toolradar.com/api/go/postmark?ref=mcp&key=json","toolradarUrl":"https://toolradar.com/tools/postmark/pricing"}