Moving from Mailgun to Resend
A cost comparison and planning checklist. These are assessment steps, not vendor-specific migration instructions.
Mailgun
Email API and SMTP delivery with tiered operational features.
$35.00 / month
Foundation
Official pricing · Checked 2026-10-05
Cost breakdown and exclusions
- Monthly subscription: $35.00
- Recurring price after any trial. Only the included allowance is verified; higher-volume quotes are unavailable.
- Inbound processing, dedicated IPs, email validation, marketing automation and premium support.
Resend
A developer-focused email API with React templates.
$20.00 / month
Pro · 50,000
Official pricing · Checked 2026-10-05
Cost breakdown and exclusions
- Monthly subscription: $20.00
- Additional emails (50,000 included): $0
- Pay-as-you-go must be enabled. Additional emails are charged in whole 1,000-email buckets. Higher prepaid volume plans are not modeled.
- Inbound processing, dedicated IPs, email validation, marketing automation and premium support.
Recurring cost difference
$180.00 lower over twelve months at unchanged usage.
Not calculated. Estimate migration labor, overlapping subscriptions, transfer charges and contract obligations before dividing those costs by any monthly savings.
Holding other usage fields fixed, Resend becomes the lower-cost option near 10,001 emails / month. This is a modeled price transition, not a migration payback calculation.
What this comparison covers
Outbound transactional email, one recipient per send, shared IPs and one sending domain. Monthly billing without introductory discounts. Deliverability and support differ. Marketing automation, inbound processing, validations and dedicated IPs are excluded.
Evaluating 2 products from 5 published in this category. USD monthly equivalents, before tax. Features and service compatibility need separate evaluation.
- Emails sent
- 50,000 emails / month
- Peak daily sending
- 2,000 emails / day
- Average message size
- 32 KB / email
Before you move
- This is a readiness assessment, not a verified vendor migration procedure.
- Use the source pricing and plan documentation: https://www.mailgun.com/pricing/
- Use the target pricing and plan documentation: https://resend.com/pricing
- Obtain the account permissions, data-owner approvals and tested backups needed for your chosen transfer method.
Modeled recurring cost
Mailgun: $35.00/month
Resend: $20.00/month
Resend costs $15.00 less per month than Mailgun at this workload. This compares modeled charges, not overall product quality.
Requirements
Foundation
Pro · 50,000
Check sender verification, suppression lists, templates, webhook semantics and sending limits before moving production messages.
Your migration readiness checklist
Check items as you review them. Progress is kept only while this page is open.
Questions before you decide
Does a lower monthly estimate mean the migration pays for itself?
Not calculated. Estimate migration labor, overlapping subscriptions, transfer charges and contract obligations before dividing those costs by any monthly savings.
Is this a guaranteed migration procedure?
No. This assessment identifies decisions to verify with official provider documentation. It does not establish interoperability, data portability, zero downtime or a rollback guarantee.