About Postmark
Postmark is a fast and reliable email delivery service built for developers to send transactional and marketing emails. It prioritizes inbox delivery and provides a stable API to power email workflows.
Key Features
Developers need predictable timing and clear integration paths when sending transactional messages, while marketing emails require reliable deliverability. Postmark packages those needs into a simple API and focused delivery:
Fast Delivery
Emails reach inboxes quickly, with transactional messages often delivered in under a second.
Deliverability & Inbox Placement
Focus on getting messages into the recipient’s inbox with high deliverability.
Developer-Friendly API
A stable, easy-to-use API designed for developers.
Email Types Supported
Support for transactional and marketing emails.
Summary
Best for engineering, product, and marketing teams that rely on fast, reliable transactional emails and predictable deliverability.
Pricing
View pricingBasic
$15.00 / mo
- Starting at 10,000 emails/month
- Extra emails @ $1.80 / 1,000
- Up to 4 users
- Up to 5 servers
- Up to 15 streams
- Up to 5 signature domains
Pro
$16.50 / mo
- Starting at 10,000 emails/month
- Extra emails @ $1.30 / 1,000
- Up to 6 users
- Up to 10 servers
- Up to 30 streams
- Up to 10 signature domains
- Inbound email
Platform
$18.00 / mo
- Starting at 10,000 emails/month
- Extra emails @ $1.20 / 1,000
- Unlimited users
- Unlimited servers
- Unlimited streams
- Unlimited signature domains
- Inbound email
Free Developer Tier
$0.00 / mo
- Includes 100 emails every month
- Never expires or runs out
