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Head-to-head · Email APIs

Mailgun vs MailerSend

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Mailgun #1 in Email APIs 9.7/10 Free plan · 30-day trial Free planFree trial✓ 5 of 5 features Visit Mailgun
MailerSend #20 in Email APIs 6.8/10 Free plan · 14-day trial Free planFree trial✓ 5 of 5 features Visit MailerSend

Mailgun leads on 1 check, MailerSend on 0, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailgun · 9.7/10
  • Free planboth
  • Free trialboth

Mailgun scores higher on our rubric for email apis: 9.7 against 6.8 out of 10; our editors rank them #1 and #20.

Mailgun leads on monthly send limit: 10000 /mo versus 5000 /mo.

Mailgun is the better fit for developers wanting a mature full email API. MailerSend is the better fit for small teams needing inexpensive full email delivery.

  • Mailgun fits best

    Developers wanting a mature full email API

  • MailerSend fits best

    Small teams needing inexpensive full email delivery

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Side by side

Feature Mailgun 9.7/10 Visit ↗ MailerSend 6.8/10 Visit ↗
At a glance
Editor score 9.7 6.8
Ranking #1 in Email APIs #20 in Email APIs
Best for Developers wanting a mature full email API Small teams needing inexpensive full email delivery
Pricing model Free plan + paid Free plan + paid
Starting price — $7/mo
Free plan ✓ ✓
Free trial 30 days 14 days
Free trial length 30 days 14 days
Deployment Cloud Cloud, Mobile
Platforms Web Web, iOS
Features Mailgun 5/5 · MailerSend 5/5
Inbound email ✓ ✓
Delivery event webhooks ✓ ✓
SMTP relay ✓ ✓
Email templates ✓ ✓
Dedicated IP option ✓ ✓
Specs
Monthly send limit 10000 /mo (best) 5000 /mo
Our review
Pros
  • RESTful API, SMTP relay, inbound routing, and delivery webhooks
  • Templates, analytics, logs, validation, and suppression management
  • Dedicated IP pools, SAML SSO, and live support on Scale
  • Free plan includes API, SMTP relay, webhooks, and inbound routing
  • Hobby starts at $7/month with 5,000 emails and 1,000 API requests daily
  • Templates, tracking, verification, and multiple sending domains support core workflows
Cons
  • Paid-plan pricing varies by tier and is not summarized here
  • Advanced features are concentrated in higher plans
  • Broader deliverability tooling may exceed simple sending needs
  • Free plan is limited to 500 emails monthly and 100 emails daily
  • Professional lists 50,000 emails monthly, matching the Starter limit
  • Dedicated IP support is reserved for Enterprise accounts over 100,000 weekly emails
Our verdict

Mailgun is an email delivery platform for developers, marketers, and product teams. It supports transactional and marketing messages through RESTful email APIs and SMTP relay, with inbound email routing, delivery-event webhooks, templates,…

Read the review →

MailerSend is a transactional messaging service for developers and teams sending application-generated email. Its core tools cover a transactional email API, SMTP relay, inbound email routing and parsing, delivery-event webhooks, reusable…

Read the review →
  1. MailgunEmail APIs 9.7Free plan · 30-day trial
  2. MailerSendEmail APIs 6.8Free plan · 14-day trial

Strengths and trade-offs

  • Mailgun — where it wins

    • RESTful API, SMTP relay, inbound routing, and delivery webhooks
    • Templates, analytics, logs, validation, and suppression management
    • Dedicated IP pools, SAML SSO, and live support on Scale

    Where it doesn't

    • Paid-plan pricing varies by tier and is not summarized here
    • Advanced features are concentrated in higher plans
    • Broader deliverability tooling may exceed simple sending needs

  • MailerSend — where it wins

    • Free plan includes API, SMTP relay, webhooks, and inbound routing
    • Hobby starts at $7/month with 5,000 emails and 1,000 API requests daily
    • Templates, tracking, verification, and multiple sending domains support core workflows

    Where it doesn't

    • Free plan is limited to 500 emails monthly and 100 emails daily
    • Professional lists 50,000 emails monthly, matching the Starter limit
    • Dedicated IP support is reserved for Enterprise accounts over 100,000 weekly emails
  • Mailgun9.7/10 · Free plan · 30-day trial

    A mature email API with broad sending, inbound routing, tracking, and deliverability tools.

    Visit MailgunFull verdict →
  • MailerSend6.8/10 · Free plan · 14-day trial

    Affordable transactional email with API, SMTP, inbound routing, and webhooks.

    Visit MailerSendFull verdict →

More comparisons

All email APIs comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update