Free
Free
Pricing lists Free at $0 per month for 100 emails.
- Volume
- 100 emails per month on Free with no overages
Messaging · Vendor site 2026-10-04
Postmark is a transactional email delivery service for developers with SMTP and REST APIs, message streams, templates, inbound processing, and deliverability analytics. It targets teams that need reliable transactional mail rather than bulk marketing sends.
Understand the total cost
Free
Free
Pricing lists Free at $0 per month for 100 emails.
Basic
$15.00 /mo
Pricing lists Basic at $15 USD per month starting at 10,000 emails.
Pro
$16.50 /mo
Pricing lists Pro at $16.50 USD per month starting at 10,000 emails.
Platform
$18.00 /mo
Pricing lists Platform at $18 USD per month starting at 10,000 emails.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. Postmark has an ongoing free plan. Free Developer plan includes 100 emails per month with no credit card required and no overages on that tier.
Postmark paid plans start at $15 per month (Basic $15/mo, Pro $16.50/mo, Platform $18/mo). Prices are in USD and last checked Oct 4, 2026.
API or developer access is mentioned. Product pages document REST and SMTP APIs plus inbound email processing on higher tiers.