Best Mailgun Alternatives (2026)

Looking for something other than Mailgun for email apis? Here are the 8 alternatives we track, ranked, with verified pricing for each.

8 alternatives 5 with a free plan Mailgun pricing →

Pricing verified Oct 20, 2026

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Mailgun alternatives at a glance

Product Entry price Plans Free plan Free trial
Mailgun this page's subject $15/mo 4 Yes Yes
SendGrid $19/mo 4 Yes Yes
Postmark $15/mo 4 Yes Yes
Resend $20/mo 4 Yes No
Bouncer $35/mo 1 No No
Kickbox Custom 2 Yes No
MailReach $25/mo 2 No No
NeverBounce $8/mo 3 No Yes
ZeroBounce $99/mo 2 Yes No
  1. SendGrid

    Email APIs

    Transactional and marketing email.

    Sits in the middle of the email service market — more expensive than basic providers like Mailgun but cheaper than enterprise-focused players. They're targeting developers and growing businesses who need reliability without enterprise complexity.

    Plans: Free Trial $0/mo · Essentials $19/mo · Pro $89/mo · Premier Contact Sales

    From $19/mo Free plan Free trial Mailgun vs SendGrid → SendGrid pricing →
  2. Postmark

    Email APIs

    Fast, reliable transactional email.

    Postmark is mid-market on price but premium on positioning: it's not racing SendGrid or Amazon SES to the bottom, it's selling deliverability and transactional focus to product teams who care more about inbox placement than cost per thousand. The $75 credit for bootstrapped companies is a smart play for early-stage startups who'll grow into bigger volume.

    Plans: Free $0/mo · Basic $15/mo · Pro $16/mo · Platform $18/mo

    From $15/mo Free plan Free trial Mailgun vs Postmark → Postmark pricing →
  3. Resend

    Email APIs

    Email API for developers.

    Resend sits in the lean, developer-first middle of the transactional email market — cheaper and simpler than Postmark or SendGrid's enterprise tiers, but not trying to compete on rock-bottom price like some bulk-email tools. They're clearly chasing developers and startups who want clean APIs and predictable pricing over legacy ESPs with clunky dashboards.

    Plans: Free $0/mo · Pro $20/mo · Scale $90/mo · Custom Contact Sales

    From $20/mo Free plan Mailgun vs Resend → Resend pricing →
  4. Bouncer

    Email APIs

    Easy email verification API.

    Bouncer sits in the middle of the email verification pack — not a rock-bottom option like some bulk verifiers, but cheaper than premium deliverability suites bundling extra tooling. They're clearly going after teams who want transparent, no-subscription pricing over vendors that force monthly commitments or lock verification behind bigger platform packages.

    Plans: Email Verification $35/mo

  5. Kickbox

    Email APIs

    Email verification for senders.

    Kickbox sits in the middle of the email verification pack — not the rock-bottom bulk option, but not charging a premium subscription tax either. They're courting teams who want transparent, no-commitment pricing over vendors that lock verification behind monthly plans or force annual contracts.

    Plans: Pay As You Go $0/mo · Enterprise Contact Sales

    Custom pricing Free plan Mailgun vs Kickbox → Kickbox pricing →
  6. MailReach

    Email APIs

    Email warmup and spam testing.

    The $25 entry point undercuts most dedicated warm-up tools and makes MailReach the accessible pick for anyone dipping into cold email without a big budget. But the $135 Spam Tester tier signals they're not afraid to charge premium rates once you need serious diagnostic firepower, so they're playing both ends rather than sitting neatly in one lane.

    Plans: All-In-One $25/mo · Spam Tester $135/mo

  7. NeverBounce

    Email APIs

    Real-time email verification.

    Plans: Pay as you go $8/mo · Growth $49/mo · Enterprise Contact Sales

  8. ZeroBounce

    Email APIs

    Email validation and deliverability.

    They're playing in the middle of the email-verification pack — not fighting on rock-bottom per-credit price like bulk-only competitors, but not positioning as a premium all-in-one platform either. The pay-as-you-go option is the real competitive weapon here, letting them undercut subscription-only rivals for low-volume or sporadic senders.

    Plans: Freemium $0/mo · ZeroBounce ONE™ $99/mo

Comparing on features, not just price? Use our feature comparison template →

None of these fit? See every email apis tool we price →

Mailgun Alternatives FAQ

What is the best alternative to Mailgun?
SendGrid is the closest Mailgun alternative we track for email apis. Paid plans start at $19/mo, and there is a free plan to start on. Postmark and Resend are also worth a look.
Are there free alternatives to Mailgun?
Yes — SendGrid, Postmark, Resend and 2 more offer a free plan, so you can switch without paying up front.
How much do Mailgun alternatives cost?
Entry prices range from $8/mo (NeverBounce) to $99/mo (ZeroBounce). Each product page has the full verified tier breakdown.
Is there a cheaper alternative to Mailgun?
Yes — Mailgun starts at $15/mo, while NeverBounce ($8/mo) starts lower.

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