Postmark vs Resend

Two transactional email providers, compared on price, features and ratings, so you can pick fast.

Postmark wins transactional deliverabilityResend wins price and deliverability

Updated August 2026

At a glancePostmarkResend
Entry price$10Free
Cost per 1k @ 100k$1.26$0.35
Free tier100/mo3,000/mo
G2 rating4.64.8

THE VERDICT

Postmark wins on transactional deliverability. Resend wins on price and deliverability.

Postmark starts at $10 versus Resend's Free. Resend rates higher with developers (4.8 vs 4.6 on G2). Pick based on volume and team, and the scorecard below breaks down where each one leads.

Which should you choose?

Pick Postmark

✓Postmark is great for agencies, enterprises, startups, and even your side projects.
✓It is an excellent choice if you want to use servers to separate your email stream.
✓It is also a great choice if you want a complete self-serve option.
Set up Postmark with Courier →

Pick Resend

✓You want a clean, modern API to add transactional email to an app quickly
✓You use React/Next.js and want React Email-based templating
✓You need transactional plus lightweight marketing email from one affordable platform
✓You want a generous free tier and predictable low-cost pricing
Set up Resend with Courier →

Feature by feature

Winner cells are tinted, green where Postmark leads, violet where Resend does.

capability
Postmark
Resend
Starting paid plan
$15/mo
$20/mo
Cost per 1k @ 100k
$1.26
$0.35
Pricing model
Subscription
Hybrid
Overage
$1.20–$1.80 per 1,000 by plan
$0.90 per 1,000 emails beyond included volume (lower on higher Scale tiers, down to ~$0.46/1k)
Dedicated IP
Add-on
Plan-gated
Deliverability tooling
Yes
Yes
Automated IP warmup
No
Yes
Suppression management
Yes
Yes
SPF / DKIM / DMARC
Yes
Yes
BIMI
—
Yes
Transactional API
Yes
Yes
Marketing campaigns
No
Yes
SMTP relay
Yes
Yes
Inbound routing
Yes
Yes
Dynamic templates
Yes
Yes
Batch send
Yes
Yes
Scheduled send
No
Yes
Official SDKs
.NET, Java, Node.js, PHP, Python, Ruby, Rails
Node.js, Python, Go, Ruby, Java, PHP, Rust, Elixir, .NET
Event webhooks
Yes
Yes
Drag-and-drop editor
No
Yes
Custom HTML editor
Yes
Yes
Email validation
No
No
Log retention
45 days
30 days
Sandbox / test mode
Yes
Yes
Open / click tracking
Yes
Yes
Analytics dashboard
Yes
Yes
A/B testing
No
—
EU data residency
No
No
SOC 2
No
Yes
HIPAA
No
No
GDPR
Yes
Yes
ISO 27001
No
—
Support channels
Email, Chat
Email/ticket support; dedicated Slack channel and direct engineer access on Enterprise
24/7 support
No
—
Support SLA
No
Plan-gated

FAQ

Common questions

Postmark starts at $10 versus Resend's Free. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.

Keep comparing

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Why not both?

Use both behind one API.

Route Postmark, Resend, or both, and switch providers without changing your code. Courier sits in front of every channel.

Start building freeRead the docs

Pricing, plans and feature availability as of August 2026 and may change. Ratings are aggregated from public review platforms. Postmark is an ActiveCampaign product.

Multichannel Notifications Platform for SaaS