MailerSend vs Postmark: email API pricing compared
Updated 2026-11-10 · listed A to Z, not ranked
MailerSend is a transactional email API and SMTP relay from the MailerLite team. Plans include a monthly email quota, with overage billed per 1,000 emails.
Postmark is a transactional email service. Its three paid plans start at 10,000 emails a month and differ by overage rate, retention and domains.
Listed A to Z, from mailersend.com and postmarkapp.com. Every figure below is quoted from those pages.
- Main price table
- Free, Hobby, Starter, Professional
- Free option
- Free: $0
- Published prices
- Free 500 emails/month; Hobby $6.30/mo, Starter $31.50/mo, Professional $99/mo billed yearly. Overage from $1.30/1,000.
- Main price table
- Free, Basic, Pro, Platform
- Free option
- Free: $0 (100 emails a month)
- Published prices
- Free 100 emails a month, Basic $15, Pro $16.50 and Platform $18 for 10,000 emails, overage per 1,000 and retention.
How we checked: Prices quoted from each official pricing page: MailerSend checked Nov 10, 2026, Postmark checked Nov 10, 2026. Taxes, usage overages and promotions can change what you pay; confirm with each provider before you buy.
How they compare
- Main price table. MailerSend lists 4 entries (Free, Hobby, Starter, Professional); Postmark lists 4 (Free, Basic, Pro, Platform).
- Lowest listed paid tier. MailerSend: Hobby $6.30/mo. Postmark: Basic $15, price per month. Billing terms differ (per user or flat, monthly or annual), so check what each tier includes below.
- Free option. MailerSend: Free: $0. Postmark: Free: $0 (100 emails a month).
- How prices are quoted. MailerSend: “Plans (yearly billing)”. Postmark: “Plans (10,000 emails a month)”.
MailerSend plans and prices
| Plan | Price | Includes |
|---|---|---|
| Free | $0 | 500 emails per month; email API and SMTP relay |
| Hobby | $6.30/month ($75.60 billed yearly) | 5,000 emails per month; extra emails $1.50 per 1,000 |
| Starter | $31.50/month ($378 billed yearly) | 50,000 emails and 100 SMS per month; extra emails $1.30 per 1,000 |
| Professional | $99/month ($1,188 billed yearly) | 50,000 emails and 150 SMS per month; extra emails $1.30 per 1,000 |
Shown with "Pay yearly" selected (MailerSend says this saves 10%). Taxes may apply.
From mailersend.com, checked Nov 10, 2026. Full breakdown: MailerSend pricing.
Postmark plans and prices
| Plan | Price per month | Extra per 1,000 | Includes |
|---|---|---|---|
| Free | $0 (100 emails a month) | No overage | |
| Basic | $15 | $1.80 | 45-day retention, 5 domains |
| Pro | $16.50 | $1.30 | Retention up to 365 days, 10 domains, inbound |
| Platform | $18 | $1.20 | Unlimited domains, inbound |
From postmarkapp.com, checked Nov 10, 2026. Full breakdown: Postmark pricing.
FAQ
How much does MailerSend cost?
Free 500 emails/month; Hobby $6.30/mo, Starter $31.50/mo, Professional $99/mo billed yearly. Overage from $1.30/1,000. (checked Nov 10, 2026).
How much does Postmark cost?
Free 100 emails a month, Basic $15, Pro $16.50 and Platform $18 for 10,000 emails, overage per 1,000 and retention. (checked Nov 10, 2026).
Do MailerSend and Postmark have a free option?
MailerSend: Free: $0. Postmark: Free: $0 (100 emails a month).
What is the cheapest paid plan, MailerSend or Postmark?
Lowest listed paid tier: MailerSend Hobby $6.30/mo; Postmark Basic $15, price per month (as quoted on each pricing page). Billing units differ, so compare what each includes.
Which is better, MailerSend or Postmark?
We do not pick a winner. The two price and package their products differently; the tables above quote each official pricing page so you can match a plan to your own usage.
Where do these prices come from?
Each vendor's own pricing page: mailersend.com (checked Nov 10, 2026) and postmarkapp.com (checked Nov 10, 2026). Prices change; confirm on the vendor's page before you buy.
Sources (official pages, read 2026-11-10)
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