Resend vs Mailgun: Which is Better in 2026?
Choosing between Resend and Mailgun comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Resend
Send transactional and marketing emails with a powerful API
Best for you if:
- • Developer-first email API with SDKs in 9 languages and React Email support for component-based templates
- • Free tier includes 3,000 emails/month; Pro starts at $20/mo for 50,000 emails with $0.90/1K overage
Mailgun
Send, parse, and validate emails with a reliable developer API
Best for you if:
- • Mailgun is an email API service for developers sending transactional email
- • It handles email delivery, validation, and tracking at scale
| At a Glance |  Resend |  Mailgun |
|---|---|---|
Starts at | $20/moPro | $35/moFoundation |
Best For | ||
Rating | - | - |
Choose Resend or Mailgun?
Choose Resend if
Send transactional and marketing emails with a powerful API
- Clean, well-documented API with SDKs covering virtually every major language
- Generous free tier with 3,000 emails/month for prototyping and small projects
- React Email integration enables type-safe, component-based email templates
- Budget matters ($20/mo vs $35/mo)
Choose Mailgun if
Send, parse, and validate emails with a reliable developer API
- Powerful API
- Email validation
- Good logs
| Feature | Resend | Mailgun |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.7/5 7 reviews | ★4.2/5 518 reviews |
| Categories | EmailAPI Tools | EmailDeveloper Tools |
In-Depth Analysis
Resend
Send transactional and marketing emails with a powerful API
Strengths
- +Clean, well-documented API with SDKs covering virtually every major language
- +Generous free tier with 3,000 emails/month for prototyping and small projects
- +React Email integration enables type-safe, component-based email templates
- +Pay-as-you-go overages at $0.90/1,000 emails prevent hard sending cutoffs
- +MCP server support makes it easy to integrate with AI agent frameworks
Weaknesses
- -Dedicated IPs only available on Scale plan ($90/mo) and above, with a $30/mo add-on cost
- -Data retention limited to 30 days on Free, Pro, and Scale plans
- -Marketing email features are less mature than established platforms like Mailchimp or Brevo
- -No built-in drag-and-drop email editor for non-technical users
- -Team member limits are restrictive on lower tiers (1 on Free, 5 on Pro)
Key features
Mailgun
Send, parse, and validate emails with a reliable developer API
Strengths
- +Powerful API
- +Email validation
- +Good logs
Weaknesses
- -Complex pricing
- -Support can be slow
Key features
Pricing: Resend vs Mailgun
| Plan | Resend | Mailgun |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | $20 Pro | $35 Foundation |
| Tier 3 | $90 Scale | $90 Scale |
| Tier 4 | Enterprise | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Resend pricing and Mailgun pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Resend
Want the highest-rated option?
Neither has user reviews yet.
Go with: Resend
Value user reviews?
Neither has user reviews yet.
Go with: Resend
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are email tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Resend
- Higher user rating: 4.7/5 vs 4.2/5
- Free tier available
- Our pick for this comparison
Mailgun
- Larger review base (518 reviews)
The Bottom Line
Resend is our pick.
Frequently Asked Questions
Is Resend or Mailgun better?
Resend is rated in our evaluation. Both are freemium.
What are Resend and Mailgun used for?
Resend: Send transactional and marketing emails with a powerful API. Mailgun: Send, parse, and validate emails with a reliable developer API.
What does Resend cost vs Mailgun?
Resend is freemium (free tier + paid plans). Mailgun is freemium (free tier + paid plans). Visit their websites for detailed pricing.