Choose Postmark if you need
- Integration with Zapier, Supabase or Stripe. We haven't found them on Resend's website.
At a glance
- Both have a free plan.
- Postmark offers a free trial (length not stated). We haven't confirmed one for Resend.
- Postmark's lowest paid plan is Basic at $15.00 per month for 10,000 emails, as of October 20, 2026.
- Resend's lowest paid plan is Pro at $20 per month for 50,000 emails, as of October 20, 2026.
- Both are available on API and SMTP.
- They list no integrations in common.
- Both list GDPR.
- Only Resend lists SOC 2 and SSO.
- Both have a public API.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Resend if you need
- Integration with Auth0, Kinde or PostHog. We haven't found them on Postmark's website.
- SOC 2 or SSO. We haven't found them on Postmark's website.
Postmark
Nobody has reviewed Postmark yet. Its rating shows once it has 3 reviews.
Review Postmark
Resend
Nobody has reviewed Resend yet. Its rating shows once it has 3 reviews.
Review ResendThe facts
- What it does
- PostmarkThe email delivery service that people actually like
- ResendEmail for developers
- Free plan
- PostmarkYes
- ResendYes
- Pricing
- PostmarkNot confirmed
- ResendNot confirmed
- Paid plans from
- PostmarkBasic: $15.00 per month for 10,000 emails
What they share
From the platforms and integrations each website lists.
Platforms
Both
- API
- SMTP
Only PostmarkNothing else listed
Only ResendNothing else listed
Integrations
BothNone in common
Only Postmark
- Zapier
- Supabase
- Stripe
- Slack
- Datadog
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Postmark and Resend yet.
Used either of them?
Your review makes this comparison better for the next person. Review Postmark or review Resend.