Postmark vs Resend
A detailed comparison to help you choose the right email apis solution for your project.
Quick Verdict
Resend has a feature edge based on documented capabilities, but the best choice depends on your constraints. Postmark is best for critical transactional email, while Resend excels at react developers. See methodology for how we compare tools.
Decision Snapshot
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- •Quick take: Resend offers the best developer experience with React Email integration. Postmark has the strongest deliverability track record for critical transactional email.
- •Postmark best for: Critical transactional email like password resets; Teams prioritizing deliverability above all.
- •Resend best for: React developers using React Email; Teams wanting modern, clean APIs.
Postmark
Transactional email that delivers
Best for
Resend
Feature edgeEmail for developers
Best for
Decision Guide
Resend offers the best developer experience with React Email integration. Postmark has the strongest deliverability track record for critical transactional email.
Choose Postmark if you need
- Critical transactional email like password resets
- Teams prioritizing deliverability above all
- High-volume transactional senders
- Apps where email must never fail
Choose Resend if you need
- React developers using React Email
- Teams wanting modern, clean APIs
- Projects prioritizing developer experience
- Startups wanting fast integration
Decision factors
- Developer experience priority
- Deliverability criticality
- React Email usage
- Volume and pricing needs
Pricing notes
- Postmark has no free tier but excellent value
- Resend free tier includes 3K emails per month
- Both are priced per email with clear tiers
Migration notes
- Both use standard email APIs so switching is straightforward
- Domain authentication needs re-setup
- Template migration may require reformatting
Feature Comparison
| Feature | Postmark | Resend |
|---|---|---|
| REST API | Yes | Yes |
| SMTP | Yes | Yes |
| Marketing campaigns | No | No |
| Webhooks | Yes | Yes |
| Analytics | Yes | Yes |
| Dedicated IPs | Yes | Yes Enterprise |
| Email templates | Yes | Yes |
| React Email | No | Yes |
Pricing Comparison
Postmark
Resend
Postmark Pros & Cons
Pros
- +Fastest delivery times
- +Excellent deliverability
- +Clean, focused product
- +Great support
Cons
- -No free tier
- -Transactional only
- -Higher cost per email
Resend Pros & Cons
Pros
- +Beautiful developer experience
- +React Email integration
- +Modern, clean API
- +Great documentation
Cons
- -Newer platform
- -Smaller feature set than SendGrid
- -No marketing email features
Postmark Verdict
Postmark is the best for critical transactional emails where speed and deliverability matter most. No marketing bloat.
Resend Verdict
Resend is the best email API for React developers. The DX is unmatched and React Email makes templating a joy.
More options in Email APIs
Looking for different tradeoffs? Explore alternatives to each tool.
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Frequently Asked Questions: Postmark vs Resend
Is Postmark or Resend better?
It depends on your use case. Postmark is best for critical transactional email and password resets. Resend is best for react developers and transactional email. Postmark is the best for critical transactional emails where speed and deliverability matter most. No marketing bloat.
Is Postmark free?
No, Postmark does not have a free tier. Pricing starts at $15/mo.
Is Resend free?
Yes, Resend offers a free tier. Paid plans start at $20/mo.
Can I migrate from Postmark to Resend?
Yes, you can migrate from Postmark to Resend, though the complexity depends on how deeply integrated your current solution is. Most developers recommend evaluating both tools in a test environment before committing to a migration.
Which is more popular, Postmark or Resend?
Both Postmark and Resend are popular choices in their category. The best choice depends on your specific requirements, team expertise, and budget rather than popularity alone.