Mailtrap Email API/SMTP vs Resend: which is better? Comparison 2026
By our public methodology Mailtrap Email API/SMTP scores 74 out of 100 and Resend scores 66. Below: the factors and facts where they differ, each fact with its source.
Score breakdown
| Mailtrap Email API/SMTP | Resend | |
|---|---|---|
| Price | 72 | 69 |
| Sending features | 92 | 100 |
| Data protection and reliability | 50 | 33 |
| Track record | 83 | 43 |
Pros and cons
Mailtrap Email API/SMTP
- Permanent free plan
- Generous free allowance
- SMTP relay
- Documented sending API
- No EU data storage found
Resend
- Permanent free plan
- Generous free allowance
- SMTP relay
- Documented sending API
- No EU data storage found
- No ISO/IEC 27001 certificate found
Facts side by side
| Fact | Mailtrap Email API/SMTP | Resend |
|---|---|---|
| Price per 1,000 extra emails | $1.00 mailtrap.io | $0.90 resend.com |
| Cheapest paid plan, per month | $15.00 mailtrap.io | $20.00 resend.com |
| Emails included in the cheapest paid plan | 10,000 mailtrap.io | 50,000 resend.com |
| Permanent free plan | Yes mailtrap.io | Yes resend.com |
| Free emails per month | 4,000 mailtrap.io | 3,000 resend.com |
| SMTP relay | Yes mailtrap.io | Yes resend.com |
| Sending API | Yes mailtrap.io | Yes resend.com |
| Event webhooks | Yes mailtrap.io | Yes resend.com |
| Dedicated IP | Yes mailtrap.io | Yes resend.com |
| Inbound email | Yes mailtrap.io | Yes resend.com |
| Log retention on the cheapest paid plan | 5 days mailtrap.io | 30 days resend.com |
| Data kept in the EU | No mailtrap.io | No resend.com |
| GDPR data processing agreement | Yes mailtrap.io | Yes resend.com |
| SOC 2 report | Yes mailtrap.io | Yes resend.com |
| ISO/IEC 27001 | Yes mailtrap.io | No resend.com |
| Founded | 2011 mailtrap.io | 2023 resend.com |
| Public status page | Yes status.mailtrap.info | Yes resend-status.com |
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