Resend vs Mailgun
A modern developer-first newcomer versus a battle-tested email infrastructure provider. Resend focuses on simplicity and React Email, while Mailgun offers deep routing, validation, and deliverability tools.
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Resend and Mailgun both target developers but from different angles. Resend is a newer platform that prioritizes clean APIs and modern DX. Mailgun has been around since 2010 and provides powerful routing, email validation, and deliverability features. This comparison covers the key differences to help you decide.
Resend
Resend is a modern email API built by the creator of React Email. It focuses on developer experience with a clean REST API, React-based templates, and a straightforward dashboard. Resend is VC-backed and growing quickly in the developer community.
Mailgun
Mailgun is a developer-focused email service that has been operating since 2010 (now owned by Sinch). It offers powerful features like email routing, validation, and detailed analytics. Mailgun is known for its flexible API and strong deliverability tools, though its pricing has become more complex over the years.
What sets them apart
- Mailgun offers email validation as a built-in feature. Resend does not provide address validation.
- Mailgun has powerful email routing rules for inbound processing. Resend has basic inbound webhook support.
- Resend provides a cleaner developer experience with modern documentation. Mailgun documentation is comprehensive but can feel dated.
- Mailgun offers a 1-month free trial with 100 emails/day. Resend has a permanent free plan with 3,000 emails/mo.
- Resend is VC-backed with pricing that doubled at the 200k tier in October 2024. Mailgun has tiered pricing that can be difficult to predict at scale.
Feature by feature
A side-by-side look at what each platform offers.
Resend
Mailgun
Email Sending
Email Receiving
Observability
Security & Compliance
Developer Experience
Deliverability
Pricing Model
Last verified: 2026-03-24
Pricing comparison
What each platform costs at different volumes.
Resend is cheaper at 50k/mo ($20 vs $35) and has a permanent free plan. At 100k/mo, both cost $90. Mailgun moves to custom pricing at higher volumes. Mailgun includes features like email validation and IP warming in higher plans, which adds value. Resend doubled its 200k tier pricing in October 2024. Mailgun pricing can be complex with add-ons for features like dedicated IPs and validation credits.
Prices as of 2026-03-24. Check each provider's website for the latest pricing.
Strengths and weaknesses
An honest look at what each platform does well and where it falls short.
Resend
- Modern, clean developer experience with great documentation
- React Email integration for code-based templates
- Permanent free plan with 3,000 emails/mo
- Lower pricing at the 50k/mo tier
- Idempotent request support
- Only 3 days of log retention
- No email validation API
- No inbound routing rules
- Uses Svix for webhook delivery (third-party dependency)
Mailgun
- Built-in email validation to clean lists before sending
- Powerful inbound routing rules for email processing
- EU data hosting option available
- IP warming and inbox placement testing on higher plans
- SOC 2 compliant with first-party webhook delivery
- Free tier is only a 1-month trial, not a permanent free plan
- Documentation feels older compared to modern alternatives
- Pricing can be complex with many add-ons
- Dashboard UI is functional but not modern
Which platform fits your needs?
Different teams have different requirements.
Choose Resend if you need
- Developers who want the fastest setup and cleanest API
- Teams using React who want code-based email templates
- Startups and side projects that need a permanent free plan
- Projects where modern DX matters more than advanced features
Choose Mailgun if you need
- Teams that need built-in email validation
- Applications with complex inbound email routing requirements
- Organizations that need EU data hosting
- Companies requiring IP warming and inbox placement testing
- Teams that need SOC 2 compliance
Consider Nuntly if you need
- Unified observability with 30-day log retention. More than Resend (3 days) and comparable to Mailgun Scale (30 days), but in a single unified view.
- A complete inbound email stack with inbox management and threading. Goes beyond both Resend and Mailgun inbound capabilities.
- Predictable pricing from a bootstrap company. No VC-driven increases like Resend, no complex add-on pricing like Mailgun.
- EU data hosting by default without the complexity of Mailgun pricing tiers. Nuntly stores all data in Europe on every plan.
3,000 emails/mo. No credit card required.
Frequently asked questions
Common questions about Resend vs Mailgun.
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